Top 250+ Solved Mechatronics MCQ Questions Answer
Q. For a 4 cylinder engine, when the pressure inside the cylinders exceeds the atmospheric pressure then.
a. work is done by the gases
b. work is done on the gases
c. work is done on the piston wall
d. work is done by the piston wall
Q. In a punching press, which of the following quantity is constant?
a. load
b. torque
c. angular velocity
d. angle of rotation
Q. The maximum shear force required for punching depends on
a. sheared area
b. length of the plate
c. speed of the flywheel
d. total load
Q. A machine punching 38 mm holes in 32 mm thick plate requires 7 N-m of energy per sq. mm of sheared area, find the maximum shear force required.
a. 26.7 kn
b. 53.4 kn c) 13.35 kn d) 106.8 kn
Q. The balance energy required for punching is supplied by the flywheel by
a. increase in its kinetic energy
b. decrease in its kinetic energy
c. decrease in its potential energy
d. by variation of mass
Q. The angle between the direction of the follower motion and a normal to the pitch curve is called
a. pitch angle
b. prime angle
c. base angle
d. pressure angle
Q. The cam follower generally used in automobile engines is
a. knife edge follower
b. flat faced follower
c. spherical faced follower
d. roller follower
Q. The cam follower extensively used in air- craft engines is
a. knife edge follower
b. flat faced follower
c. spherical faced follower
d. roller follower
Q. In a radial cam, the follower moves
a. in a direction perpendicular to the cam axis
b. in a direction parallel to the cam axis
c. in any direction irrespective of the cam axis
d. along the cam axis
Q. A radial follower is one
a. that reciprocates in the guides
b. that oscillates
c. in which the follower translates along an axis passing through the cam centre of rotation.
d. none of the mentioned