441. The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration.
same
different
✅ The correct answer is option A.
Theory of machines MCQs
442. The Klein’s diagram is useful to find
displacement of various parts
velocity of various parts
acceleration of various parts
angular acceleration o
✅ The correct answer is option C.
443. In a steam engine, the distance by which the inner edge of the D-slide valve overlaps the steam port is called lead.
Agree
Disagree
✅ The correct answer is option B.
444. The centrifugal tension on the belt has no effect on the power transmitted.
Correct
Incorrect
✅ The correct answer is option A.
445. Power of a governor is the
mean force exerted at the sleeve for a given percentage change of speed
workdone at the sleeve for maximum equilibrium speed
mean force exerted at the sleeve for maximum equilibrium speed
none of the above
✅ The correct answer is option D.
446. The coriolis component of acceleration is taken into account for
slider crank mechanism
four bar chain mechanism
quick return motion mechanism
all of these
✅ The correct answer is option C.
447. When the tip of a tooth undercuts the root on its mating gear, it is known as interference.
Agree
Disagree
✅ The correct answer is option A.