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ME Quiz - 10
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Question 1
Coefficient of friction in rolling operation is given as µ. What is its relation with the draft?
Question 2
Which mechanism produces intermittent rotary motion from continuous rotary motion?
Question 3
An ideal gas at 270C is heated at constant pressure till the volume becomes three times. The temperature of the gas will then be___.
Question 4
The specific heat of a gas are given, by where a, b and s are constant and T is in k. If a =0.946, b=0.662 and S = 10-4. What is the value of gas constant?
Question 5
During a thermodynamic process, 84 kJ of heat flows into the system and the work done by the system is 32 kJ. The increase in thermal energy of the system is.
Question 6
Which one of the following statements is not correct?
Question 7
In a balanced counter flow heat exchanger with , the NTU is equal to 1.0. What is the effectiveness of the heat exchanger?
Question 8
A metal rod is rigidity fixed at its both ends. The temperature of the rod is increased by 100 °C. If the coefficient of linear expansion and elastic modulus of the metal rod 10×10-6/ °C and 200Gpa respectively, then what is the stress produced in the rod?
Question 9
If the ratio of the length of a connecting rod to the crank radius increases then
Question 10
What is the relationship between elastic constants E, G and K?
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Oct 15AE & JE Exams