Mechanical Engineering Questions and Answers December 12, 2018

Image transcription text g) A Levenspiel plot (? R; vs X ) is a plot used in chemical reaction engineering to determine B the required volume of a chemical reactor, given the experimental data on the chemical reaction taking place in it. Based on Table 2, use any appropriate integration method to determine the most accurate volume of the PFR

A machine component in the form of a strip 10 mm wide by 2 mm deep by 120 mm long will be loaded at its center as a beam simply supported 10 mm from each end. a) From the possibilities given below, which material would you select if the maximum allowable load is 100 N and the strip cannot weigh more than 5 grams nor cost more than 2 cents? b)

Image transcription text Assume a pumped hydro energy storage arrangement in which water is pumped up from a low-level water reservoir to a higher-level reservoir to store energy. The water then flows back from the top reservoir down to the low reservoir through a pipe by passing through a turbine. Assume a... Show more Image transcription text

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Image transcription text Problem 1a. Calculate the o values of the data below using 3 Different methods[1]: Total Overall Variation (0.5 POINT) Within Group Variation (Rbar) (0.5 POINT) W N Between Group Variation (Xbar) (0.5 POINT) Problem 1b. Calculate Averages & Control Limits for Methods 2 & 3. (4.5 POINT) Problem 1c. Plot Statistical Process

Q1) Use the data on the next page and answer the following: How many factors being experimented? How many corner point runs exist part of the experiment? How many center points exist part of the experiment? How many axial points exist part of the experiment? In coded units, what are the level used for each of the axial points (alpha value)?

Image transcription text CCNY engineering intern design challenge: Summer 2023 Justify ALL equations/tables/charts/data used and show calculations Midterm: DUE THIS WED AT 11PM ON BB: July 26th 2 for any decisions made including AF ratios determinations. Cycle 1.5 FIG 1 Given: DAWN- For gasoline, the heat of combustion is q. = 44,510 kJ/kg Cp =

Image transcription text On a base of flow rate, plot a graph of total head gain for the single pump and for two pumps connected in series. Calculate the difference between the total head gain for single and series pumps. Conclusion Does the total head gain for the two pumps in series match the theoretical prediction of tw... Show more Image

PART A - MATERIAL PROPERTIES IN UNIAXIAL TENSION Objective To demonstrate the behaviour of brittle and ductile materials in uniaxial tension. Introduction to the Tension Test The term tension test is usually taken to refer to a test in which a prepared specimen is subjected to gradually increasing (i.e. "static") uniaxial load until failure

Image transcription text 1. 2. Before you start: Have you done all the practice quizzes, including the one on sigificant figures? The quizzes do not count formarks, and some of the quiz questions are quite hard. The quizzes are for learning and these tests are for assessment. Because the course runs in onedemand mod... Show more Image

Image transcription text Task.2b-is-the-capacitor-discharging-below. Current 1 Voltage 0 -1 171 172 173 174 -2 -5 . 50 51 52 53 54 (s) Simulation time (s) Simulation time 0.00 5.6 kS 100 UF HAL 10.0 (V 4.7 KS2 10 v Construct. the above.circuit.using.the.Multisim-or-Yenka-simulation software.package.to-measure. the cap... Show more

Question C5 [7.5 marks]: The Hastelloy-X plate stock cost from the supplier is $61 /kg and has a material density of 8,220 kg/m3 . The recoverable cost of scrap Hastelloy-X machining chips is $7.8 /kg. If you sell the scrap chips to recover some cost, what is the net material cost of each plate? assume the following to simplify the calculation:

Consider the below system which is vibrating with sinusoidal input of ?in (38.88?) ?. The damping coefficient of the system is experimentally calculated to be 0.5 ?. ?/?. We locate mass ? 2 along the beam as tuned-mass-damper (TMD) at distance ? 2 from origin to deal with the vibration of ? 1 = 0.15 ?g, which is located at ? 1 = 0.25 ? from

Image transcription text Part One . Verify that the Ekman volume flux for a wind of 74 m s and a Coriolis parameter of f = 1 x 10 's | is 1.1 m25-1 . Consider how this changes with latitude. . What changes when we move to the southern hemisphere? Does it matter how deep the mixed layer is? . If the mixed layer and thus the Ekman layer is

Image transcription text Read the questions carefully before answering, any question with two or more answers will be considered wrong. 1. Draw the following lines and explain the purpose of each line. a. Center line Sheet b. Visible line Citeule bed c. Hidden line d. Phantom line persont 2. In orthographic views, th... Show more Image

The pressure of both tanks were 117.7 kpa.( first picture) We added 500kg mass to the left tank and the pressure went up to 118.7. (second picture) Can you explain why the pressure changed after adding the 500 kg mass? Image transcription text Fluid Pressure and Flow (1.02) X File Help Pressure Flow Water Tower PHET Ruler Pressure Grid -

Image transcription text Week 4A Design Project 2: Ulysses - Starprobe (NASA-JPL) The primary objective of the Starprobe mission was to investigate the properties of the solar wind during the fly-by mission within the 4 - 12 R. distance from the Sun. NEAR-PERIHELION TRAJECTORY (VIEW PERPENDICULAR TO O... Show more Image transcription text The

Create the graph in excel For the following wave functions, assume amplitude A = 20 mm and force frequency f = 10 Hz (= 62.8 rad/sec). Set up your time signal equations so that each sine wave component is in a separate column cell. This will let you add up different combinations of the cells by row as needed for plotting the various Fourier

Figure 1d) Image transcription text 10 4 x )8.500 THRU All grooves are 8.5mm wide J (14.5005 10.000 unless otherwise indicated. 17.000 17.000 TOP VIEW 17.000 All 8.5mm grooves are 11mm deep. SCALE 1 : 1.35 WI 4 X 45 degree ores, 28mm depth (through) All labelled through holes are 6.500 14.500 C10 C1 /C2 B1 7 B2 14.5... Show more Number in red =

Image transcription text Heat Exchanger: Concentric Tube Connection: Parallel Ambient Temerature: 24 C Heater Tank Temperature: 60 C Cold Flow (m*3/s) Cold Flow (L/min) Hot Flow (L/min) Hot Flow (m*3/s) Average TH Average TC LMTD TH1 TH2 ATH TH3* TC1 TC2 ATC TC3 H nc pc De (W) |Qa (W) | CEB n... Show more Image transcription text Heat Exchanger:

Image transcription text Heat Exchanger: Concentric Tube Connection: Parallel Ambient Temerature: 24 C Heater Tank Temperature: 60 C Cold Flow (m^3/s) Hot Flow (m^3/s) Cold Flow (L/min) Hot Flow (L/min) Average TC Average TH LMTD Test TH1 TH2 ATH TH3* TC1 TC2 ATC TC3 nH nc PH pc Qe (W) | Qa (... Show more Image transcription text Heat Exchanger:

Comment on how the heater temperature (driving force) affects the heat exchanger performance. Compare the heat transfer coefficients of the TD360 a, b, and c heat exchangers for any given flow rate. Image transcription text Heat Exchanger: Concentric Tube Connection: Parallel Ambient Temerature: 24 C Heater Tank Temperature: 60 C Cold Flow (m^3/s)

Image transcription text Engineering Feats and Disasters Presentation . 5 Minute Presentation (with Powerpoint and/or other visuals) . Capture the key information . What happened? . Why did happen? . Disasters . How could it have been prevented? (Put some thought into this.) . Emphasize where possible how huma... Show more Image transcription text

Unemployment Image transcription text Discussion Topic The three elements of culture that your textbook details are language, norms, and values. These are avenues through which we are all socialized. Socialization is necessary to create a stable society or cohesive group dynamics. These elements weave a pattern of appropriate behavior in any

Image transcription text Story of Lean Production, Free Press, New such as three factors at two levels; two York, 1 990. factors at two levels; two factors at three levels; three factors at three levels, etc. For more information consult the following websites: http://en.wikipedia.org/ wiki/ Fractional factorial design and https:/... Show more

Using the typical floor plan on next page as a base, propose a trunk & branches overhead layout of the ducts serving the typical floor's via mixing mechanical ventilation. 1) Identify different zones in relation to solar orientation and space function that you think are different enough to justify supply of air at different temperature (i.e.

I have a mechanical design test coming up where we need to design a gearbox/speed reducer. We were given a practice one and I was wondering if you could just draw the assembly drawing for it (it does not need to be done with a ruler, just simple sketches of the different views, we need more than 2 ). The information we were given was that: input

Part One: Identify the following Technical Specifications (Tech Specs) of the Chicago Pile number 1 (CP-1) reactor: 1. Thermal power in Watts(thermal), Wth. 2. Fuel material 3. Moderator material 4. Control rods material 5. Safety (Scram) material Part Two: List the power levels in MWth of the following reactors: 1. Chicago Pile Number 1, CP-1, 2.

Minimize and maximize these variables and these functions? This is a genetic multi-objective algorithm of a turbojet two spool afterburner engine. The idea is to see in 3D Pareto front maximizing and minimizing the functions in relation to the constraints and to opt for the best overall design. Establish realistic values for the variables and

Assuming homogeneous nucleation, please draw in schematic the temperature dependence of the following quantities: (1) the number of stable nuclei; (2) the frequency of attachment of an atom to a nuclei; (3) nucleation rate. Use the melting temperature (T m ) as a reference. Schematic is describe below: (Please draw the following schematic) Here is

Define the type of fluid according to the report API or Density? (What means this value?) Determine Saturation pressure. (Bubble point? due point?) (Chart) Determine Reservoir pressure Constant Composition (Mass) Expansion (Explain the process) ??????3. What is Y-function (Explain how Y function is calculated)

CME OIL FIELD Bakken deadoil Stability criteria Isotherm Stirring Duration Pressure Temp. Volume Interval Temp. Setpoint Pressure Setpoint Total Cell Relative Temperature Pressure Compressibility Density Volume Corr Volume Y function Time Coefficient C (min) 1 (bar) 1 (deg C) 0.5 (cc) 0.10 (min) (deg C) 1 26.3 (bar) 300.00 (deg C) (bar) (cc)

ME 4451 Lab 2 Handout RRR Serial Robot Servo Control,1 Objectives 1. Use inverse kinematics (RDA) to control the motion of an RRR serial robot. 2. Use the robot to draw a straight line and circle. 2 Prelab Assignment Read Lab 2 Handout. Create a Matlab script for Lab 2 tasks (Section 4) utilizing any commands needed from the Lab 1 handout, noting

What is the MOS of a 1420 bolt holding the beam below to the wall O O O O O Assume beam is 6061T6, as is the wall. Assume the CoF is 1.5 Assume the bolt hole is oversized by 0.030 Assume the bolts go into inserts. Joint is not lubricated. You must use SAE Grade 2 Bolts. Assume all bolts are the same size Provide MOS for all relevant factors. If

Question 3 15 points Consider the following drawing of a component that is to be manufactured A 200 B 300 75 200 225 0252 All dimensions in miles C 350 050 2 440 475 125 R25 025 MC 150 50 AB XY Below is a scale drawing of the component as produced. Please answer the following 3.1 Is the hole center position tolerance as shown in the working

A new salt factory is being developed at a remote location in salt affected region of Victoria. This factory does not have access to utilities such as grid electricity, piped gas and town water supply. The factory site has a bore well that can be used to meet the water requirements of the salt factory. The average annual temperature of the bore

T 20C mw Cold water in Coolant to water Texh out (110C) Warm exhaust gases to atmosphere mexh Exhaust to water heat exchanger heat exchanger water T C T385 C T coolant out 35C Engine T coolant in 85C Diesel and air Exhaust Texh in 455C Diesel generator Electric power out Cogeneration system schematic Figure 2 Proposed heat cogeneration schematic

Image transcription text 10'49 4 Files This document contains ink, shapes and images that are not legible in Mob... more STUDENT - PRODUCT ASSESSMENT TASK Print Layout PRODUCT ASSESSMENT TASK teetwtmtet swmtteteet National unit/s code ME MZZOOZA National unit/s title Manage self in the eng... Show more Image transcription text 10'49 4 Files This

Files 1049 This document contains ink, shapes and images that are not legible in Mob... more STUDENT PRODUCT ASSESSMENT TASK PRODUCT ASSESSMENT TASK Task Number 2 of 3 National units code MEM22002A MSAENV272B Task Name National units title National qualification code MEM60112 National qualification title RMIT Program code C6130 RMIT Course code

In your original post, you will choose a social issue or event that shaped our culture. You are welcome to choose from one of the following examples or come up with your own social issue or event in which you have interest. Climate change Immigration Inflation Economy Current political atmosphere Covid-19 Pandemic Unemployment Sept 11, 2001

Image transcription text Final Design Test Results Provide all numerical calculations to 3 significant digits. Table 4: Final Design Results Height of drop Result (no crack, Trial Mass of Platform (g) Mass of Egg (8) (inches) crack, broke) 1 g FL 10 In 100 9 60 9 no crack 2 60 g 18' no " no crack noo g 3 bog 48 8 &q... Show more Image

4. Estimate the mass of your structure in grams. 5. Based on your estimated mass, what would be the weight of your structure in Newtons 6. What is the estimated weight of your structure in pounds (1 pound 4.448 Newtons) 7. The score is calculated by height of drop (cm) divided mass of platform (g). The height is divided by two if the egg cracks.

Hi would it be possible please for someone to adapt my multi objective genetic code in matlab in order to minimize and maximize the functions and equations established here with these constraints in order to appear an 3D Pareto front ? Do not worry about these values as they are simply for testing. The project is called optimization of a turbojet

Define objective functions f1 (x) x(1)2 x(2)2 f2 (x)x(1) 2x(2) Define constraints c1 (x) x(1) x(2) 13 c2 (x) x(1) 2x(2) 2 Create genetic algorithm options optimoptions(gamultiobj, PlotFcn, gaplotpareto) x, fval,, output gamultiobj ((x) f1(x), f2(x), 2, , , , , , , options) Plot Pareto front scatter3 (fval(,1), fval(,2), output.

use the matlab script below to Determine the bending stiffness for the following laminates using the properties shown below. [0] 8 [0/0/90/90] s [0/45/90] s Layer properties aligned with the principal axes E 1 = 128 GPa E 2 = 11 GPa G 12 = 4.5 GPa v 12 = .25 Layer Dimensions b = .1 m h = .02 m ( Note: This is for each layer, so the total thickness

EXAMPLE 1 (SLIDE 2 OF 4) Set the z coordinates of each layer. Total number of z coordinates is equal to the number of layers plus 1 z(1) 0.5 z(2) 0.25 z(3) 0 (its the centerline) z(4) 0.25 z(5) 0.5 Loop over each layer to compute (and store) Ixx using the parallel axis theorem For each layer 1xx 1 Ad Where for the beam of rectangular

I didn't realize what had happened to the question before. I really need help with figuring out the Excel formula for Ram Angular Velocity and Ram Angular Acceleration. Can you please help me. Thank you Part 2 is a continuation of Part 1 . The angular displacement of the ram was recorded in an Excel spreadsheet and, afterward, plotted as a

Angular velocity w Time increment Ram minimum position 93min 1750 rpm 10500 degs S deg Data Crank Ram Crank Ram Angular Ram Angular Ram Angular Point Angle Angle Time Displacement Index 0 (deg) 03 (deg) t(s) 03 03min (deg) Velocity W3 (degs) Acceleration 3 (degs) Dont plot 350 86.3 0.03333 14.5 2852.5 these rows 355 87.7 0.03381 15.9 2852.5

Image transcription text SECTION A A1. Consider the SCARA robot shown in Figure A1. (a) Assign the coordinate frames using the Denavit-Hartenberg (D-H) algorithms provided. [25%] (b) Fill out the D-H parameter table. [30%] (c) Write all three transformation A matrices of the joints. [30%] (d) Write the transformation... Show more

1 SECTION A A1. Consider the SCARA robot shown in Figure A1.. (a) Assign the coordinate frames using the DenavitHartenberg (DH) algorithms provided. 25 (b) Fill out the DH parameter table. 30 (c) Write all three transformation A matrices of the joints. 30 (d) Write the transformation matrix from the wrist of the robot to the base of the TH matrix

Image transcription text Preliminary Design and Analysis of a Beam for Bending Introduction Overhead travelling cranes are widely found in industrial environments, shipyards and machine shops and serve the purpose of transporting (lifting and moving) objects from one location to another, within a given footpri... Show more Image transcription text

Preliminary Design and Analysis of a Beam for Bending Introduction Overhead travelling cranes are widely found in industrial environments, shipyards and machine shops and serve the purpose of transporting (lifting and moving) objects from one location to another, within a given footprint. As illustrated in Figure 1, the crane consists of parallel

No reference. Question: Image transcription text 3 Lab Assignment For the lab assignment, you are to model and simulate the system shown in Fig. 5. The inputs are the torque on the left, Tin (t), and gravity. g = 9.81 m/s". Massless (1) R Drum V WW rigid N. Knee Generator Motor rigid Gravity, 8 B ^DOOO x,(OT Figure 5: Rotational-translat... Show

3 Lab Assignment For the lab assignment, you are to model and simulate the system shown in Fig. 5. The inputs are the torque on the left, Ti(t), and gravity, g 9.81 ms. T (1) 00000 R L Massless Drum 0000 1 rigid a (1) k kw. kw (1) 00 XXXX Generator Motor rigid 201 M Gravity, g 0000 x(0)1 M Figure 5 Rotationaltranslational electromechanical

Image transcription text Section 4: open-ended Imagine you wish to sell your motor on Ebay. You will need to describe as many of your motor's features in addition to your own intense emotional attachment to your motor. Design a way to calculate the minimum source voltage required to operate your motor Vsommin and... Show more Image transcription

Evaluate, using an accredited data source, the microstructures outlined in Task 1 b) and Task 2 b) to identify the material, including how the history, impurities, and grain boundaries affect the mechanical properties of the materials. Image transcription text Introduction to the assignment In this assignment, I must take notes and gather

Image transcription text Problem One Using Sheet 1 of the Excel spreadsheet provided below, consider the spring assemblage system shown. Wk4_Natural Frequencies & Mode Shapes.xlsx A. What is its degree of freedom (DOF)? B. Write the equation of motion (EOM)? C. Obtain the global mass matrix D. Obtain... Show more Image transcription text A B C D E

Hello, I require assistance with a dynamics project that involves three questions to be solved using Matlab. However, I currently do not have access to Matlab software. Would you be able to help me by showing the working process and providing explanations for the solutions? Your help would be greatly appreciated. Thank you in advance. Image

Image transcription text Jacks & Hydraulics: If a fluid (liquid or gas) is pressurised, the pressure is constant throughout the system if the fluid is not moving. This applies to hydraulic jacks as though the fluid is moving, it moves slowly and pressure variations are minimal to unnoticeable. The force generated by pressu... Show more Image

Image transcription text Note: Evaporator Design SST 44 PSIG Service Problem 7-11 $10 (7 Which symptom applies? . Reach-in FREEZER Cond. Temp : High Low Normal . R404A Subcooling : High Low Normal . Cap Tube Evap. Temp : High Low Normal Superheat : High Low Normal 9 Repair: 8 Diagnosis: Actual Box Temp. Ambient Temp. 25. 30* 170" Evap Superheat =

Volt 4.4 boxes X 5V 22V div Time 6.8 boxes X. 2 msec 1.36m Sec div Sweep function .8 Range H 1K H 4.5 boxes x 5V 22.5 5.8 boxes x 20 m See 11645cc volt div Time div Sweep function Range H 10 K H 2 .8 Volt div Time div 4.4 boxes x SV 22V 6.1 boxes x 2 Sec 12.2 ubec Sweep .8 function Range H 100 K H 34,Synchronous Online Laboratory

40C ortam scakl 1100C olan bir frnn 10 cm kalnlndaki ate tulasndan yaplm duvar yaltm amacyla kauuk ile kaplanmtr. Kauuun maksimum dayanma scakl 900 C dir. Verilen bilgilere gre yaltmn en fazla ne kadar olmas gerektiini ve bu kalnlkta yaltmn s kaybn ne oranda azalttn belirleyiniz. 0,01

To reduce your energy bill at home, you want to design a heat recovery device that can capture some energy from the hot water line to warm the room air (space heating). This device is a concentric tube heat exchanger with fins made of steel (thermal conductivity of 20 WmK). Water at a temperature of 90C flows through the internal tube (with inner

Q1 a) If conditions in the atmosphere are isothermal and the temperature at zero altitude is 15C and the pressure is 101kNm2, what is the density of air at 12,000m. Assuming conditions are instead adiabatic what is the change in density at the same height. Discuss the reason for the difference in density. Take the polytropic exponent n 1.4 and

A 8-cylinder, 4-stroke petrol engine of 80 mm bore and 90 mm stroke has a compression ratio of 7. It is tested at 4000 rpm on a dynamometer which has 54 cm arm. During a 10 minute test, the dynamometer reads 400 N and the engine consumes 4.75 kg of fuel. Air is supplied at 1 bar and 27C at the rate of 6.5 kg/min. CV of fuel = 44 MJ/kg. Determine

Information: Tables:

4. Relocation a. Using the information that Falkirk gathered on potential real estate savings through relocation, estimate the annual cost savings available through relocating some or all of the accounting functions to New Jersey. b. What are the impacts on ACUSs costs over the next three years, including the onetime costs (Be sure to include

At a specific RPM (revolutions per minute) for a diesel engine, a strong resonance at a frequency of 250Hz and wavelength of 2.4 m are observed in the exhaust pipe (pipe with constant cross section) following the silencer in the engine exhaust system. This is the lowest resonance frequency of the exhaust pipe. (i) What is the speed of sound in the

319 Repeat Problem 318 for (a) x 10 kpsi, 4 kpsi (b) x 10 kpsi, Txy 4 kpsi cew (c) or 2 kpsi, Oy 8 kpsi, Try 4kpsicw (d) x 10 kpsi, 30 kpsi, T, 10 kpsi cew

A pressurized container as shown in Figure 3 is constructed from a long, narrow aluminium plate by wrapping the plate around a mandrel and then welding along the edges of the plate to make a helical joint. The helical weld makes an angle 60. The aluminium plate has Modulus Young of 70 GPa and Poissons ratio of 0.3. The pressurized container is

The figure shows a crank AB rotating about point A, attached via a slider at B to a rod CD which rotates about point C. The distance AC is 1.1 m, the crank AB is of length 1.1 m and the crank CD is of length 1.3 m. The crank is rotating with constant velocity AB 4.8 rads. At the instant shown, when angle 75, determine a. The magnitude of the

Consider the wrench in Fig. 516, as made of cast iron, machined to dimension. The force F required to fracture this part can be regarded as the strength of the component part. If the material is ASTM grade 30 cast iron, find the force F with (a) CoulombMohr failure model. (b) Modified Mohr failure model. 2 in. 12 in 1in D in in R. 1in D. Figure

For the system shown K 576 Ibin, M 4 Ib.sin. Determine a. The equation of motion and the response as function of time when C 19.2 Ib.sin, and is subjected to harmonic force F(t) 8 Cos (10t) b. Resonance frequency. c. The response at resonance frequency. d. The transmissibility ratio C M FH) x()

2. A shaft is modeled as clamped at the left end and on an elastic foundation on the right end. The elastic foundation is represented by a spring with stiffness k. a. Calculate the natural frequencies and mode shapes of the shaft using two beam elements of equal length. b. Compare the results from (a) with those for a clampedhinged shaft. c.

A vertical bar consists of three prismatic segments AB, BC, CD with cross sectional areas 6000 mm, 5000 mm and 4000 mm respectively. The bar is made of steel with E 200 GPa. Calculate the displacements ug, uc and up at points B, C and D. Ignore the weight of the bar. 500 mm PB 50 N B 500 mm Pc 100 N 500 mm Pp 200 N D

Q1. Calculate the position of the centroid of the shape shown in Figure 1. 100 mm 100 mm 110 mm 90 mm 0621 d100 mm 100 mm 100 mm 90 mm 100 mm X 100 mm

A1.6 Figure A1.6 shows a 1in. solid round shaft supported by selfaligning bearings at A and B. Attached to the shaft are two chain sprockets that are loaded as shown. Treat this as a static loading problem, ignoring fatigue and stress concentration. Identify the specific shaft location subjected to the most severe state of stress, and make a Mohr

alb 1. Determine the first critical speed in bending for the shaft assembly shown. Known are d8 mm, E 207 GPa, L 350 mm, and the rotor mass m 2.3 kg. 113 m 1 2 BEIL

a. By using vertical element, show that the xcentroid for the shaded area shown in Fig. la is 20 yx Fig. 1a b. If the triangle in Fig. Ia is cut off at the bottom to make a trapezium (blue shaded area) as shown in Fig. 1b, what is the xcentroid of the trapezium Do not use formula for the trapezium from the appendix. yx b Fig. 1b b3

Calculate the position of the centroid of the shape shown in Fig. 1. Use a 130 mm and b 117 mm. a b y aaaa (Round answers to 1 decimal place, e.g. 15.2.) mm y mm X a a Fig. 1

Due to an unequal distribution of fuel in the wing tanks, the centers of gravity for the airplane fuselage A and wings B and C are located as shown. (Figure 1) Bo Part B If these components have weights W 50000 lb, WB 8000lb, and Wc 6000lb, determine the normal reactions of the wheels D, E, and F on the ground. Enter your answers numerically

Radioactive wastes (k 25 WmK) are to be stored in spherical stainless steel (ks 18 Wm K) containers. The wastes generate thermal energy nonuniformly according to Q.19. 1(4) where Q 69 kWm is the mean rate of generation, r is the radial distance from the center of the container, and r, is the inner radius of the container. The outer surface of

The axial bar (truncated solid cone) of length L shown in the figure below has a circular cross sections with bottom radius r and top radius 2 as shown in the figure below. The modulus of elasticity of the material is E and the density is p. Find the elongation of the bar due to its own weight. 212 y x 201 L

A trunk of cone made of Aluminum (E 70 GPa) and fixed between two rigid walls and without any preloading or thermal input is uniaxially loaded with a force of magnitude of 100 N at point C (300 mm away from wall A and 200 mm away from wall B). Given that the diameter of the trunk of cone at A is 50 mm, the diameter of the trunk of cone at B is 20

A M12 coarsepitch class 5.8 bolt with a hexagonal nut assembly is used to keep two machine parts together as shown. (a) Determine the stiffness for the members using Wilemans method. (b) Maximum external load that assembly can support for a load safety factor of 2.0. Assume a reused condition and C 0.351 1 1 Aluminan Steel

A 1.5 m long, 304 stainless steel rod is fixed to a wall at point A. Between the end of the rod and point B, there is a 1 mm gap. For 304 stainless steel, use 0.000017 1C, E193 GPa, and OY207 MPa. A B L1.5 m 1 mm gap a. Compute the normal stress in the rod if it is heated by 80 C b. Compute the necessary temperature rise to yield the rod c.

2. Center of mass 2.1. Determine the position of the center of mass for the homogeneous plane body in figure 2.1. Dimensions are given in centimeters. 2.2. Determine the position of the center of mass for the homogeneous plane body in figure 2.2. Dimensions are given in centimeters. 20 50 30 Figure 2.2. Figure 2.1. 30 30 10 70 20 10 X

1. Calculate the moment produced by each force about point A. Calculate the resultant moment about A. Assign direction (positive or negative) according to the right hand rule. 2. Calculate the moment produced by each force about the origin O. Calculate the resultant moment about O. Let F 50 lb. Assign direction (positive or negative) according to

O Consider a structure subjected to external loads. Determine the stress state at points A and B. 800 lb 52 in Z 9 in (to NA of tube) 3240 lb x A B y 3 in 6 in 3 in B x A cross section t 0.5 in y

A typical sensor that is repairable has been tested and the following downtimes have been recorded against it. Table 1 Data for Downtime Downtime (years) 0.002 Frequency 11 0.003 0.0018 10 0.0029 0.006 7 13 5 Determine the unavailability (minimum of 4dp) of the sensor if 117 sensors were tested over a 6 month period You are required to show your

Given the following circuit where I 11.3 mA, I 3.15 mA and 13 3.5 mA, what is l Vs R1 w R2 Answer OMA R3 33 w

Given the Following Circuit where l 13.1 A, R 8.7 MQ, and R 4.9 MQ, find the branch current I in A. Vs R1 ww R2 22 Answer

Consider the rotational system shown below. A rotation speed is imparted to the input side of a rotational fluid coupling with damping coefficient B1, which drives a shaft train with two heavy rotors. All other masses can be ignored. The elements marked J and J2 are both rotors mounted on bearings with damping coefficients B2 and B4, respectively.

Show how you would build using Arudino ide along with a circuit diagram using https://www.tinkercad.com/circuits

Design and build Traffic lights for Tintersection such that cars are allowed to pass from one side only each time. You May need the following components. 3 Red LEDs, 3 Green LEDs, 3 Yellow LEDS, 9 Resistors, wires, Breadboard and UNO R3. You should design this traffic light as the real ones in terms of the sequence of lights HTT

Each of the following structural roof supports maintains a load of 350 kg. Calculate the force that each tie supports, as well as the angle at which the loads are distributed. Make free body diagram. A B 300cm 180 cm 200 cm Source D C 350 cm

3. Consider a parabolic trough concentrator with an aperture width and length of 1.4 m and 26 m, respectively. During a given day, the average direct solar irradiance on the concentrator is 650 Wm. The efficiencies of the concentrator, receiver, and electrical generator are 0.91, 0.83, and 0.95, respectively. If the temperature of the working

Explain whether the Klann linkage with two lags is a mechanism. Your answer should include a definition of the term mechanism and an explanation of how it may be determined whether a system is a mechanism, as well as an analysis of this specific system. Twolag mechanism

Given the following circuit where V 15 V, I 4.54 mA, R 17 kQ and R3 13 kQ, find R. Vs R1 w w Answer R2 ww 33 R3

Calculate RT for the circuit below. R1 14 kQ, R2 15 kQ, and R3 20 kQ Vs Answer R1 R2 22 R3

Problem 3 Given the phasors 320, 2435, and 3 44 80. Calculate the following quantities. Do the calculations by hand and give the answer both in polar and rectangular form a. V V V1V2 b. V3

1. A twist of 4 Nm is applied to the handle of the screwdriver. What is the force F required at the handle to generate this couple moment What is the force P exerted on each end of the blade 5 mm 2. The ends of the triangular plate are subjected to three couples. Determine the plate dimension d so that the resultant couple is 350 Nm clockwise. 100

Given the Following Circuit where I 10.8 mA, R 383 2, R 420, R3 899 0, and R4 571 2, find the branch current I in mA. R1 R2 R3 R4 Vs Answer OmA

Find the interval I and radius of convergence R for the given power series. (Enter your answer for interval of convergence using interval notation.) k1 1 (5x1)k k k I R 15 Need Help Read It Watch It

Problem 4 The athlete in the figure below uses a cable machine for working out. The athlete is exerting a constant force of 100 N (leftwards) onto handle A. If handle A started at rest and reached a speed of 3 ms when it has been pulled a distance of 30 cm, find (a) The acceleration of the handle A. (b) The acceleration of the weight stack B. (c)

An unsymmetric section shown below is made of steel with a yield strength of 350 MPa. Determine the plastic moment Mp of the section. 10 25 220 150 15 10 25 10 100 1

1. The weight of the North American P51 Mustang airplane is 10,100 lb and its wing platform area is 233 ft. Calculate the wing loading (airplane weight per wing area) in both English engineering and SI units. Also, express the wing loading in terms of the inconsistent (but commonly used) unit kgfm (kilogramforce per square meter).

In a robotic system, filled boxes are picked, one at a time from a conveyor, and stacked in a 23 matrix. Figure Q1b illustrates the system showing the final location of all 6 boxes and identifies the positioning relative to the robots X and Z axes. (i) Describe the setting up of this system, including the methods used to define the program

1. (30 Pts) The NASA MultiMission Radioisotope Thermal Generator (MMRTG) uses a cylindrical radioisotope heater unit (RHU, plutonium oxide) as its heat source (radius R 0.08 m). This ceramic cylinder has volumetric heat generation (q 1.5.105 W m). The outer surface of the RHU delivers heat via radiation to a surrounding enclosure that contains

A motor is mounted solidly on a rigid table, and the table is sitting on some isolation mounts as shown. The acceleration versus time graph shown below was collected when an impulsive force is applied vertically on the table with the motor turned off. When the motor is running at steady state, the accelerometer recorded a signal with amplitude of

3. (30 Pts) A hot water storage system is being designed in which a large thinwalled tank is warmed by a heat transfer fluid flowing through a jacket around the side walls of the tank. The system specifications are listed as follows The hot water tank has outer radius Ro 1m and length L 3 m The hot water tank is initially filled with water at

A test track for automobiles has a portion with a specific profile described by y h (1 cos ( )) W where h 0.20 m and w 2 m, and where the argument of the cosine function is understood to be in radians. A car travels in the positive x direction with a constant x component of velocity equal to 100 kmh. Modeling the car as a point moving along