Q3. a) A potentiometer is used to detect the linear movement of a table. The circuitry...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Q3. a) A potentiometer is used to detect the linear movement of a table. The circuitry is shown in Figure Q3a. Given VDc = 10 V, L= 500 mm. Displacement of table A R2 VDC Vt Potentiometer C Figure Q3a (i) If Vt= 3V, calculate the displacement of the table. (ii) If the displacement of the table is 120 mm, what will be Vt measured? (iii) Determine the resolution of this potentiometer (in mV/mm). (3 marks) (3 marks) (3 marks) (iv) If Vt is measured by a voltmeter with resolution of 50 mV, is this set up (4 marks) possible to measure the table displacement of 1 mm? Explain your answer. b) Table Q3b shows the specification of a strain gauge. Temperature compensation for Gauge length Gauge resistance (24°C,50%RH) Gauge factor(24°C,50%RH) Adoptable thermal expansion Transverse sensitivity(24°C,50%RH) Application gauge cement Steel 2 mm 119.6 0.4 2 2.11 1.0 % 11.7 PPM/°C 2.00 % СС-33А, ЕР-34 Table Q3b When this strain gauge is used to measure the strain of a loaded steel bar, the resistance of the strain gauge is increased by 20 m2. Determine : (i) the electrical strain of the strain gauge; (ii) the mechanical strain of the strain gauge; (4 marks) (3 marks) (iii) the increased length of the stain gauge; and (3 marks) (iv) the ideal environmental temperature when the measurement is performed. (2 marks) Q3. a) A potentiometer is used to detect the linear movement of a table. The circuitry is shown in Figure Q3a. Given VDc = 10 V, L= 500 mm. Displacement of table A R2 VDC Vt Potentiometer C Figure Q3a (i) If Vt= 3V, calculate the displacement of the table. (ii) If the displacement of the table is 120 mm, what will be Vt measured? (iii) Determine the resolution of this potentiometer (in mV/mm). (3 marks) (3 marks) (3 marks) (iv) If Vt is measured by a voltmeter with resolution of 50 mV, is this set up (4 marks) possible to measure the table displacement of 1 mm? Explain your answer. b) Table Q3b shows the specification of a strain gauge. Temperature compensation for Gauge length Gauge resistance (24°C,50%RH) Gauge factor(24°C,50%RH) Adoptable thermal expansion Transverse sensitivity(24°C,50%RH) Application gauge cement Steel 2 mm 119.6 0.4 2 2.11 1.0 % 11.7 PPM/°C 2.00 % СС-33А, ЕР-34 Table Q3b When this strain gauge is used to measure the strain of a loaded steel bar, the resistance of the strain gauge is increased by 20 m2. Determine : (i) the electrical strain of the strain gauge; (ii) the mechanical strain of the strain gauge; (4 marks) (3 marks) (iii) the increased length of the stain gauge; and (3 marks) (iv) the ideal environmental temperature when the measurement is performed. (2 marks)
Expert Answer:
Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
Posted Date:
Students also viewed these mechanical engineering questions
-
A magnetic dipole antenna is used to detect an electromagnetic wave. The antenna is a coil of 50 turns with radius 5.0 cm. The EM wave has frequency 870 kHz, electric field amplitude 0.50 V/m, and...
-
Explain how the vertical line test is used to detect functions.
-
A windowless flow proportional counter is used to detect 4.9 MeV alpha particles that are totally stopped in the fill gas. The tube has an anode radius of 0.0044 cm, a cathode radius of 4.2 cm, and...
-
You have extracted a trial balance and drawn up accounts for the year ended 31 December 20X7. There was a shortage of 78 on the credit side of the trial balance, a suspense account being opened for...
-
How can retained earnings be said to be reinvested in a corporation?
-
If applicable, compute , , n and d for the following roots, and find the corresponding characteristic polynomial. a. s = -2 6j b. s = 1 5j c. s = -10, -10 d. s = -10
-
A researcher hypothesizes that drivers who use cellular phones will get into a greater number of traffic accidents than drivers who do not use these phones. For this example, a. What are the...
-
For the financial year ending 30 June 2020, Malkin Ltd has some liability issues for which it seeks your help: a) The company sells widgets and provides a one-year warranty. 100,000 widgets were sold...
-
During the month of January, Learnstream Company conducted the following transactions: Jan 1 Jan 2 Jan 5 Jan 17 Jan 20 Customers purchased $1,200 in gift cards. Sold merchandise for $8,600 cash plus...
-
A company wants to build a website where user can register themselves and buy/renew health insurance policies. Also, they can process claims from a separate section on the website. Once logged in,...
-
The STU Partnership, an electing Large Partnership, has no passive activities and reports the following transactions for the year: net long-term capital losses $50,000, Sec. 1231 gain $60,000,...
-
Major Manufacturing Company has direct materials used of $50,000, beginning raw materials inventory of $10,000 and ending raw materials inventory of $8,000. Compute the raw materials inventory...
-
Choose the best answer: Automated independence affirmations must be completed by: There are no automated independence affirmations Partners charging time to an attest engagement All BDO professionals...
-
Tung Engineering has three products (T1, T2 & T3) and two services departments (Stores and Maintenance) within its factory at Bintulu, Malaysia. Its budgeted overhead cost for the year 2020 were...
-
2. The following are Stakeholders of financial statements. (2.5 Marks) Name of the stakeholders Type of users 1. Supplier 2. Owners 3. Labor union 4. Financing Manager 5. Investor Required: Identify...
-
For the reaction 2A + B A2B, the following data were obtained. Find the value of the rate constant, k. Show your work * (5 Points) Trial Initial [A] Initial [B] Initial Rate (mol/Ls) 1 0.420 M 0.530...
-
Builtrite is considering purchasing a new machine that would cost $60,000 and the machine would be depreciated (straight line) down to $0 over its five year life. At the end of five years it is...
-
Give an example of transitory income. What effect does this income have on the marginal propensity to consume?
-
A glass lens has a scratch-resistant plastic coating on it. The speed of light in the glass is 0.67 c and the speed of light in the coating is 0.80 c. A ray of light in the coating is incident on the...
-
An object is located 16.0 cm in front of a converging lens with focal length 12.0 cm. To the right of the converging lens, separated by a distance of 20.0 cm, is a diverging lens of focal length...
-
A hydraulic lift is lifting a car that weighs 12 kN. The area of the piston supporting the car is A, the area of the other piston is a, and the ratio A / a is 100.0. How far must the small piston be...
-
Define a closely held corporation.
-
Explain the role played by a board of directors of a corporation.
-
Explain the steps in forming a limited liability corporation.
Study smarter with the SolutionInn App