The members AD and BC are parallel while the 7kN external force is acting vertically downwards in Fig.1. By using the method of joints or otherwise, calculate the forces in members BC and DC...

Figure 3.59 shows an exploded view of a diaphragm assembly from a gas flow meter. Determine a suitable assembly sequence for this product and carry out an analysis for manual assembly. Estimate the...

Bella is married to Fred. She met Fred online and moved from South America to live in Australia with Fred. Bella speaks English but is not proficient in reading and writing English. Bella works in...

In the drawing below you can see a cut through a bevel gear box. The torque from the drive side (1) is transmitted with the bevel gear (2) to the outcome side (3). The drawing has some design flaws...

Consider a diamond-shaped airfoil. The maximum thickness is 0.04 and occurs at mid-chord. The freestream Mach number is 2.0, and the airfoil is operating at a 5 degree angle of attack. a) Find the...

A farmer has to lift up a boulder 12 inches in the air in order to put it in his wagon. The boulder weighs 2000 lbf. The farmer has the following tools available: a fixed pulley and a moveable pulley...

The water clock (clepsydra) shown in Fig. P3.101 is an ancient device for measuring time by the falling water level in a large glass container. The water slowly drains out through a small hole in the...

(1) Prompt the user to input an integer, a double, a character, and a string, storing each into separate variables. Then, output those four values on a single line separated by a space. Note: This...

The workweek for all employees is 40 hours, except for the students 36-hour schedule. The office is open from 8:00 a.m. to 5:00 p.m. each day, except weekends. Glo-Brite allows office employees one...

In receiving terminals of petrochemical plants, some of the liquid natural gas (LNG) storage Tanks are designed to be in ground, to avoid receiving radiation from the sun and also being protected...

This question is based on The Energy (Bernoulli) Equation of Fluid Mechanics/Dynamics. Q1. Flow either side of a t-piece is shown in Figure 1. All flows are in the horizontal plane. Pitot tube flow...

The shaft shown in the figure is supported by two bearings and carries two V-belt sheaves. The tensions in the belts exert horizontal forces on the shaft, tending to bend it in the X-Z plane. Sheave...

A 2-m wide side rectangular gate is hinged at the bottom, as shown in Figure P2.64. It is attached to a 70-kN, 1-m-diameter cylindrical block by a cable. Determine the height H needed if the gate...

9. In a reheat cycle steam at 15 MPa, 540C enters the engine and expands to 1.95 MPa At this point the steam is withdrawn and passed through a reheater. It reenters the engine at 540C. Expansion now...

Satellite Inc. requires $300,000,000 to fund two new long haul Mars bound spacecraft. As part of this requirement, the CEO and CFO have been considering the issuance of common shares into the...

A 0.2 m3 tank containing helium at bar and 22 C will be used to supply 4.5 moles per minute of helium at atmospheric pressure using a controlled adiabatic throttling valve. (a) If the tank is well...

Air at standard conditions flows through the cylindrical drying stack shown in Fig. 1.2. If viscous effects are negligible and the inclined water-filled manometer reading is 20 mm as indicated,...

Q1: The vertical displacement of a cable, suspended between two horizontal fixed points is governed by: d dw(x) To dx dx x)0 (1) where w(x) is the vertical displacement, To is the tension force and...

Exercise 2.9 Use the planar version of Grbler's formula to determine the number of degrees of freedom of the mechanisms shown in Figure 2.18. Comment on whether your results agree with your intuition...

Wind flows down a hill and over a rise, in the shape of a sector of a circle of radius b, and out onto the plains. Map the flow. Find and explicitly. This flow is shown in Figure. Hil Plains Fig....

A heavy machine tool mounted on the first floor of a building has been modeled as a 3- degrees-of-freedom system as shown below. It is given that k = 5000 lb/in., k = 500 lb/in., k3 = 2000 lb/in., C...

An end loader for a small garden tractor is shown. All connections are pinned. The only significant weight is W . (a) Draw six FBDs, one each for members BC, DG, and AEF , plate CDE, hydraulic...

An automated manufacturing system consists of four machining centers of two different types (two stations), each with two servers. It is dedicated to the production of three parts (A, B, and C) that...

Four identical SRS arms are grasping a common object as shown below. a. Find the number of degrees of freedom of this system while the grippers hod the object rigidly (no relative motion between the...

Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 8 MPa, 560C with a mass flow rate of 7.8 kg/s and exits at 8 kPa. Saturated liquid enters the pump at 8 kPa. The...

You are testing a prototype loudspeaker for your Audio division, which may possibly be used in smoke-filled environments when nuclear reactor emergencies occur. A senior colleague has asked you to...

PROBLEM 2.60 Two cables tied together at C are loaded as shown. Determine the range of values of P for which both cables remain taut. 300 W 120 lb

8- Nitrogen gas enters a turbine operating at steady state with a velocity of 60 m/s, a pressure of 0.345 MPa, and a temperature of 700 K. At the exit, the velocity is 0.6 m/s, the pressure is 0.14...

An aircraft is flying wings level at constant altitude, at a speed of 500 ft/s, with an angle of attack of 8 and a sideslip angle of 5, when it runs into gusty wind conditions. Determine the new...

A long horizontal steel pipe with a 5.0-cm ID and 3.2-mm wall thickness passes through a large room maintained at 20C and atmospheric pressure; 0.6 kg/s of hot water enters one end of the pipe at...

Green Grass, Inc. just ran out of stock and suddenly has two emergency orders for grass seed blends: one is for 1500 pounds of normal, the other for 2300 pounds of special. At least each pound of...

A rigid steel tank contains 7 lbm R-134a at 40 F with a specific volume of 0.4 ft3 /lbm. The whole system is now heated to a temperature of 120 F. (a) Find the volume of the tank. (b) Find the final...

Macon Controls produces three different types of control units used to protect industrial equipment from overheating. Each of these units must be processed by a machine that Macon considers to be...

The inward flow reaction turbine develops 735 kW at 750 r.p.m. under a net head of 100 m. The guide vanes makes an angle of 15 with the tangent at inlet. The axial length of the blade at inlet is 0.1...

Stephen is a UK resident taxpayer with two different sources of income. He works part-time as an IT consultant for a small number of clients, on a project management basis. A separate contract is...

Determine the forces in members AB , AC , and AD . Point M is the centroid of triangle BCD . The forces are positive if in tension, negative if in compression. B 5.2' M 5.2' 1190 lb x D 5.2 6.6'

SAE specifications call for the low-side R-134a servicehose to be A) Solid blue with a black stripe B) Solid blue with no stripe C) Solid blue with a yellow stripe D) Solid black with a blue stripe...

A proposed steam turbine is shown in the figure below. It is planned to bleed off 3 kg/s steam at the feedwater heater with operating conditions at 500 kPa and 225 o C (at the feedwater heater...

2. A double-spool turbofan engine is used to power an aircraft flying at speed of 250 m/s at an altitude of 11,000 m, where ambient temperature is -50C and pressure is 22.7 kPa. As shown below, the...

Describe a half dozen products that mechanical engineers design, improve, or produce, and list some technical issues that must be solved.

E = 29000 ksi, I = 400 in. 4 Consider only flexural deformations. Compute the horizontal deflection at A. Compute the rotation at A. B T 6 ft 10 ft A C 5 ft D + 1 kip/ft 15 ft E TITI

E = 29000 ksi, I = 400 in. 4 Consider only flexural deformations. Compute the horizontal deflection at A. Compute the rotation at A. B T 6 ft 10 ft A C 5 ft D + 1 kip/ft 15 ft E TITI

Consider the following three operations (a) Multiply the integer numbers 131 and 122 (b) Compute the convolution of signals (1,3,1)+{1,2,2) (c) Multiply the polynomials 1+3z+z and 1+2z+2z

A tapered bar has a spiral groove in its conical surface aS shown in Fig A. 1. The groove, starting at A and ending as B is right-handed and advances uniformlv in the axial direction XX, per unit...

Target purchases home goods made by a supplier in China.Targets stores in the United States sell 200,000 units of home goods each month. Each unit costs $10 and the company has an annual holding cost...

Mechanical engineering - strengths of materials a pitch pine floor joist is 50mm by 250mm and 4.90 m long. what is the safe distributed dead load in kilograms per metre, the joist being braced to...

A group of 50 persons attend a secret meeting in a room which is 12 meters wide by 10 meters long and a ceiling height of 3 m. The room is completely sealed off and insulated. Each person gives off...

14. A polytropic process of air from 150 psia, 300F, and 1 f occurs to p-20 psia in accordance with pV3-C. Determine (a) Ta and V2. (b) AU, AH and AS, (c) pdV and-Vdp. (d) Compute the heat from the...

Assume that you are moving a box with the height of b=2.7 m and width of a=1.5 m. Suddenly, the box slips from your hands and starts pivoting at the edge of a step. Find the required parameters for...

Determine the stress intensity factor for the edge-cracked beam shown below when subjected to a moment of 400 ft-kips. If the beam was made from an extremely tough steel that has a yield strength of...

Generate a spreadsheet that allows the user to convert the concentration of one element of a two-element metal alloy from number of atoms per cubic centimeter to weight percent.

A screw jack with a 1-in. double-thread Acme screw is used to raise a load of 10,000 lb. A plain thrust collar of 2.0 in. mean diameter is used. Coefficients of running friction are estimated as 0.13...

The rectangular plate is made up of 1-ft squares as shown. A 30-lb force is applied at point A in the direction shown. Calculate the moment MB of the force about point B by at least two different...

Problem 1 Schematic diagrams of the following measuring devices are given; a)Diaphragm type liquid level gauge b)Spring balance with electrical read out c)Float-operated fuel level gauge used in...

Three springs are used in a parallel configuration as shown. Sketch the constitutive behavior as seen from the F-v port. Show both compression and tension. 82 8 k k F www 'T k

Air flows isothermally at 60C through a constant-area duct such that the entropy increase due solely to internal irreversibilities is 0.0544 kJ/kg K. Determine . a. the heat added or removed, in...

A surface profile is sinusoidal with wavelength and maximum amplitude of unity. The profile is sampled at equal intervals, with the origin on the center line at a position of zero amplitude. (a)...

Design a system to pump water at 80C from a water heater to a washing system, as shown in Fig. 13.56. The desired minimum flow rate is 750 L/min (198 gal/min). FIGURE 13.56 Design Problem 2. Vent...

In the Imperial Valley, CA, a commercial lease of 4 km2 is expected to support generating capacity of some 40 MWe, (which will require at least 250 MWt). Assuming an average heat flow of 200 mW/m2:...

The viscosity of liquids can be measured through the use of a rotating cylinder viscometer of the type illustrated in Fig. P1.87. In this device the outer cylinder is fixed and the inner cylinder is...

A composite bar is 350 mm long and consists of a copper tube butt-welded to the end face of a steel bar. The tube dimensions are 30 mm diameter x 20 mm bore x 200 mm long, and the steel bar is 30 mm...

A system is equipped with two pressure gages and a manometer, as shown in Fig. P3-148. For h = 12cm, determine the pressure difference P = P 2 P 1 . Air Ah Manometer fluid SG = 2.15 Oil SG = 0.87 P:...

Air at -10C flows over a smooth, sharp-edged, almost-flat, aerodynamic surface at 240 km/hr. the surface is at 10C find: a) the approximate location of the laminar-turbulent transition b) the overall...

The figure below shows a combined cycle formed by a gas turbine and an organic Rankine bottoming cycle. Steady-state operating data are labeled on the figure. Owing to internal irreversibilities, the...

Two tugboats each exert a constant force F on the ship. These forces are always directed perpendicular to the ship?s centerline. If the ship has a mass m and a radius of gyration about its center of...

A pump is driven by an electric motor through an open type flat belt drive. Determine the belt specifications for the following data.: Motor pulley diameter(dS) = 300 mm, Pump pulley diameter(dL) =...

A cold room has walls constructed of 0.24 m brick on the outside, 0.15 m foam insulation in the middle and 1.6 cm of wood on the inside. The air temperature on the outside is constant at 20C, and the...

The turning moment diagram for a multicylinder engine has been drawn to a scale of 1 mm = 4500 Nm vertically and 1 mm = 2.4 horizontally. The intercepted areas between output torque curve and mean...

A bird is flying in a room with a velocity field of V = (u, v, w) = 0.6x + 0.2t 1.4 (m/s). The room is heated by a heat pump so that the temperature distribution at steady state is T (x, y, z) = 400...

Determine the largest weight W that can be supported safely by the structure shown in the figure. The working stresses are 16 000 psi for the steel cable and 720 psi for the wood strut BC. Neglect...

The wing of a small plane is represented by a simplified prismatic cantilever beam model acted on by the distributed loads shown in the figure. Assume constant EI = 1200 kN*m 2 . Find the tip...

Air at -10C flows over a smooth, sharp-edged, almost-flat, aerodynamic surface at 240 km/hr. The surface is at 10C. Find (a) the approximate location of the laminar turbulent tran- sition; (b) the...

What is an eccentric riveted joint? Explain the method adopted for designing such a joint? A bracket, attached to a vertical column by means of four identical rivets, is subjected to an eccentric...

A shaft carries five masses A, B, C, D and E which revolve at the same radius in planes which are equidistant from one another. The magnitude of the masses in planes A, C and D are 50 kg, 40 kg and...

Model an accelerometer of proof mass m, attached to a cantilever spring (k = Ewt/41 where E is Young's modulus, w is width, t is thickness, and 1 is length). Assume the mass of the spring does not...

The tensile stress-strain behavior of pure aluminum is shown in graphs following. Determine the following properties for pure Al. a) Youngs modulus, b) 0.2% offset yield strength, c) tensile...

At a height of 10 km (33000 ft) above sea level, atmospheric pressure is about 210 mm of mercury. What is the resultant normal force on a 600 cm2 window of an airplane flying at this height? Assume...

A pair of helical gears consist of a 20 teeth pinion meshing with a 100 teeth gear. The pinion rotates at 720 r.p.m. The normal pressure angle is 20 while the helix angle is 25. The face width is 40...

A long, square wooden block is pivoted along one edge. The block is in equilibrium when immersed in water to the depth shown. Evaluate the specific gravity of the wood, if friction in the pivot is...

A vehicle has the following system parameters: total mass, m (kg): 2037 wheel base, L (m): 2.794 Estimate the possible maximum speed of the vehicle on level ground and on a grade of 25% as determined...

Particle deposition rate J on a wafer that is parallel to airflow is given by J= nu, where n is the particle density and u is the sum of gravitational and diffusive settling velocities, - 5 x 10-cm/s...

A material is to be selected for a landing gear part for a cargo aircraft and requires to able to carry a direct tensile load of 3 MN. It is roughly rectangular in cross-section of width, w, 0.2 m....

In terms of the s, s, 2s coordinates of a fixed space frame {s}, a frame {a} has its &a-axis pointing in the direction (0, 0, 1) and its a-axis pointing in the direction (-1,0,0), and a frame {b} has...

A liquid flows upward through a tube, overflows, and then flows downward as a film on the outside. Develop the pertinent momentum balance that applies to the falling film, for steady-state laminar...

A solar panel mounted on a spacecraft has an area of 1m^2 and a solar to the electrical power conversion efficiency of 12%. The side of the panel with the photovoltaic array has an emissivity of 0.8...

A tapered solid steel propeller shaft is shown in Fig. 1.91. Determine the torsional spring constant of the shaft.

Consider a simple three-step manufacturing process as illustrated in the given figure. Assuming that demand is 1,000 units, what is the required input to meet demand? You'll note that the required...

Given the following image of a shaft, what is the critical speed of rotation in units of rad/s if the shaft has the following section lengths and deflections (y) and the centers of the given...

Consider a 3-link Cartesian manipulator shown in the figure. (1) Compute the inertia tensor J; for each link i = 1,2,3, relative to the inertial reference frame assuming that the links are uniform...

Is the tank shown below filling or emptying? At what rate is the water level rising or falling? Assume that the density is constant. All inflow and outflow velocities are steady and constant over...

6.6, 7,000 lb/hr of aniline is to be heated from 100 to 150 by cooling 10,000 lb/hr of toluene with an initial temperature of 185F in 2- by 1-in. IPS double pipe hairpin exchangers 15 ft long....

A small three throw crankshaft has cranks of radii 125 mm set at an angle of 120 degree with each other. And are equally spaced with a pitch of 250 mm. The revolving masses at crank radii are same...

1. On the part below, apply postion controls to allow the holes to move 0.4 side to side but only 0.1 in the up and down direction, Include references to datum features A, B, and c. - 3x15*0.3 P-0.1...

Consider a sphere of uranium (density 19.1 g=cm3) with the following composition: 235U97.6 at% and 238U 2.4 at%. Use the diffusion theory to determine: (a) the critical radius of the sphere with...

You are testing a decorative clock, to possibly be manufactured by your Consumer Electronics division, and attach a mass (m) to a string of length (1) to form a simple pendulum. Assuming that the...

A vertical channel 152 3 76 (see Table A7) has a cantilever beam bolted to it as shown. The channel is hot-rolled AISI 1006 steel. The bar is of hot-rolled AISI 1015 steel. The shoulder bolts are M10...

OCAS PROJECT. Effect of Damping. Consider a vibrating system of your choice modeled by y" + cy' + ky = d(t). %3D (a) Using graphs of the solution, describe the effect of continuously decreasing the...

A bullet of mass 20 g is fired horizontally with a velocity of 300 m/s, from a gun carried in a carriage; which together with the gun has mass of 100 kg. The resistance to sliding of the carriage...

Two forces P and Q are applied to the lid of a storage bin as shown. Knowing that P = 60 N and Q = 48 N, determine by trigonometry the magnitude and direction of the resultant of the two forces. %3D...

A 2 lb motor is mounted in the middle of a 72 inch long beam with simple supports, as shown in the figure below. The beam is made of a solid piece of aluminum with E The cross-section of the beam is...