131. For static balancing of a shaft, the net dynamic force acting on the shaft is equal to zero.
Agree
Disagree
✅ The correct answer is option A.
Theory of machines MCQs
133. The coriolis component of acceleration acts
along the sliding surface
perpendicular to the sliding surface
at 45° to the sliding surface
parallel to the slidin
✅ The correct answer is option B.
134. The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.
TRUE
FALSE
✅ The correct answer is option B.
136. When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will
return to equilibriumposition without oscillation
oscillate with increasing time period
oscillate with decreasing amplitude
oscillate with constan
✅ The correct answer is option B.
137. The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as
completely constrained motion
incompletely constrained motion
successfully constrained motion
none of these
✅ The correct answer is option A.
138. The minimum force required to slide a body of weight W on a rough horizontal plane is
W sin θ
W cos θ
W tan θ
W cosec θ
✅ The correct answer is option A.
139. The frictional torque transmitted in a truncated conical pivot bearing, considering uniform pressure, is
μ W cosec α (r1 + r2)
μ W cosec α (r1 + r2)
μ W cosec α
μ W cosec α
✅ The correct answer is option D.
140. An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the
tip of the gear tooth and flank of pinion
tip of the pinion and flank of gear
flanks of both gear and pinion
tip of both gear and p
✅ The correct answer is option A.