Agree
Disagree
✅ The correct answer is option B.
Mechanical Engineering MCQs
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.
thick film
thin film
✅ The correct answer is option B.
A heat treated glass generally used in automobiles bursts into __________ upon cracking,
sharp edged fragments
small particles
✅ The correct answer is option B.
A flow through a long pipe at decreasing rate is called __________ uniform flow.
steady
unsteady
✅ The correct answer is option B.
In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be
0.96
0.97
0.98
0.99
✅ The correct answer is option A.
The freezing point of carbon dioxide is equal to boiling point of R-12.
Correct
Incorrect
✅ The correct answer is option B.
The thermodynamic cycle on which the petrol engine works, is
Otto cycle
Joule cycle
Rankine cycle
Stirling cycle
✅ The correct answer is option A.
Dummy activities are used to
determine the critical path
determine the project completion time
maintain the required net work
none of these
✅ The correct answer is option C.
The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be
R
2 R
4R
4 R2
✅ The correct answer is option C.
When a shaft is subjected to combined twisting moment (T) and bending moment (M), then the equivalent bending moment is equal to
✅ The correct answer is option C.