11. The ball bearings are provided with a cage-

A. to facilitate slipping of balls

B. to prevent the lubricant from flowing out

C. to maintain the balls at a fixed distance apart

D. to reduce friction

Click for Answer/Explanation

Correct Answer is C

Read More- Define Heat Work, Similarities, Difference

12. For maximum power, the velocity of the belt will be-

A. v(T/m)

B. v(T/2m)

C. v(T/3m)

D. None of these

Click for Answer/Explanation

Correct Answer is C

13. The property of a material which enables it to be drawn into wires with the application of a tensile force is called-

A. elasticity

B. plasticity

C. malleability

D. ductility

Click for Answer/Explanation

Correct Answer is D

14. Which of the following statement is correct, for the two shafts connected in parallel?

A. The torsional stiffness of each shaft is the same

B. Shear stress in each shaft is the same

C. The angle of twist of each shaft is the same

D. Torque in each shaft is the same

Click for Answer/Explanation

Correct Answer is C

15. When a helical compression spring is cut into halves, the stiffness of the resulting spring will be-

A. 1/2

B. 1/4

C. same

D. double

Click for Answer/Explanation

Correct Answer is D

Read More- Thermodynamics: Objective Questions Answers

Please Comment Below