Mechanical Engineering Mcqs
For a kinematic chain to be considered as mechanism___________________?

A. Two links should be fixed
B. One link should be fixed
C. None of the links should be fixed
D. There is no such criterion

A cam mechanism imparts following motion___________________?

A. Rotating
B. Oscillating
C. Reciprocating
D. All of the above

Whitworth quick return mechanism is obtained by inversion of___________________?

A. Slider crank mechanism
B. Kinematic chain
C. Five link mechanism
D. Roller cam mechanism

Which of the following mechanisms produces mathematically an exact straight line motion____________________?

A. Grasshopper mechanism
B. Watt mechanism
C. Peaucellier’s mechanism
D. Tchabichiff mechanism

A kinematic chain requires at least________________________?

A. 2 links and 3 turning pairs
B. 3 links and 4 turning pairs
C. 4 links and 4 turning pairs
D. 5 links and 4 turning pairs

The following is the inversion of slider crank chain mechanism______________________?

A. Whitworth quick return mechanism
B. Hand pump
C. Oscillating cylinder engine
D. All of the above

A typewriter mechanism has 7 number of binary joints, six links and none of higher pairs. The mechanism is________________?

A. Kinematically sound
B. Not sound
C. Soundness would depend upon which link is kept fixed
D. Data is not sufficient to determine same

In above example, the minimum length of the coupler will be__________________?

A. 45 mm
B. Slightly less than 45 mm
C. Slightly more than 45 mm
D. 95 mm

For simple harmonic motion of the of follower, a cosine curve represents___________________?

A. Displacement diagram
B. Velocity diagram
C. Acceleration diagram
D. All of the above

The frequency of oscillation at compared to earth will be___________________?

A. 6 times more
B. 6 times less
C. 2.44 times more
D. 2.44 times,less