Top 250+ Solved Mechatronics MCQ Questions Answer
Q. Ofset is provided to a cam follower mechanism to
a. minimise the side thrust
b. accelerate
c. avoid jerk
d. none of the mentioned
Q. For low and moderate speed engines, the cam follower should move with
a. uniform velocity
b. simple harmonic motion
c. uniform acceleration and retardation
d. cycloidal motion
Q. For high speed engines, the cam follower should move with
a. uniform velocity
b. simple harmonic motion
c. uniform acceleration and retardation
d. cycloidal motion
Q. Which of the following displacement diagrams should be chosen for better dynamic performance of a cam-follower mechanism ?
a. simple hormonic motion
b. parabolic motion
c. cycloidal motion
d. none of the mentioned
Q. Centre of masses of the system lies on the axis of rotation.
a. 1, 2, 3 and 4
b. 1, 2, and 3 only
c. 2, 3 and 4 only
d. 1, 3 and 4 only
Q. Which of the following statements is correct about the balancing of a mechanical system?
a. if it is under static balance, then there will be dynamic balance also
b. if it is under dynamic balance, then there will be static balance also
c. both static as well as dynamic balance have to be achieved separately
d. none of the mentioned
Q. In a locomotive, the ratio of the connecting rod length to the crank radius is kept very large in order to
a. minimize the effect of primary forces
b. minimize the effect of secondary forces
c. have perfect balancing
d. start the locomotive conveniently
Q. Multi-cylinder engines are desirable because
a. only balancing problems are reduced
b. only flywheel size is reduced
c. both (a) and (b)
d. none of the mentioned
Q. Secondary forces in reciprocating mass on engine frame are
a. of same frequency as of primary forces
b. twice the frequency as of primary forces
c. four times the frequency as of primary forces
d. none of the mentioned
Q. Work produced by the 4-stroke engine is less because
a. one power stroke per 2 revolutions
b. one power stroke per revolution
c. one power stroke per 4 revolution
d. four power stroke per revolution
Q. When the work is done on the gases, which of the following effect is observed on the turning moment diagram?
a. formation of negative loop
b. formation of positive loop
c. formation of an infinite loop
d. formation of no loop
Q. Which of the following is a type of transmitted force to the foundation?
a. damping force
b. undamping force
c. tensile force
d. torsional force
Q. If the damper is not provided and the system is in resonance, which of the following is the correct isolation factor?
a. 0
b. 1/2
c. 1/4
d. infinity
Q. If isolation factor is negative, then what is the phase difference between transmitted and disturbing force?
a. 180°
b. 90°
c. 450°
d. 360°