Top 250+ Solved Theory of Machines MCQ Questions Answer
Q. A point on a link connecting double slider crank chain will trace a (an)
a. Straight line
b. Parabola
c. Ellipse
d. Hyperbola
e. Circle
Q. The differential gear in the automobiles is used to
a. Provide balancing
b. Assist in changing speed
c. Help in turning
d. Provide jerk free movement of vehicle
e. Reduce speed
Q. The abbreviation P.I.V. drive system stands for
a. Purely Integral Variance
b. Positive Infinitely Variable
c. Periodic Ideal Vibrationless
d. Polar Inertia Vee belt
e. Perfectly Induced Velocities
Q. The Biflar susperision method is used to determine
a. Position of balancing weights
b. Centripetal acceleration
c. Natural frequency of vibration
d. Moment of inertia
e. None of the above
Q. A Scott-Russel mechanism consists of
a. Turning and rotary pairs
b. Turning pair only
c. Sliding and turning pairs
d. Sliding and rotary pairs
e. Rotary pair only
Q. If three bodies have plane motions, their instantataneous centres
a. Lie in different planes
b. Lie in a plane perpendicular to the plane of motion
c. Lie in the same plane as the plane of motion
d. Lie on a straight line
e. None of the above
Q. The prime circle of a cam is
a. The smallest circle drawn to the pitch curve from the centre of rotation of curve
b. The smallest circle drawn to the cam profile from the centre of rotation of a radial cam
c. The circle with centre as the centre of cam axis and radius such that it passes through the pitch point
d. The circle fitting in cam profile
e. None of the above
Q. A pulley in a belt drive acts as a
a. Rolling pair
b. Turning pair
c. Surface pair
d. Sliding pair
e. Cylindrical pair
Q. In the gear box of an automobile, which gear train is used?
a. Simple gear train
b. Compound gear train
c. Epicyclic gear train
d. None of the above
e. None of the above
Q. The locus of a point one the circumference of a circle which rolls without slipping on a fixed straight line, is known as
a. Involute
b. Epicycloid
c. Cycloid
d. Hypocycloid
e. None of the above
Q. Stub tooth is
a. Shorter than standard tooth depth
b. Standard gear tooth
c. Equivalent rack tooth
d. Non-standard tooth
e. Longer than standard tooth depth
Q. Which of the following road offers maximum resistance to automobiles?
a. Wood paving
b. Macadam
c. Well rolled ground
d. Loose sand
e. None of the above
Q. In case of worm and worm wheel, the maximum efficiency is obtained when
a. Worm is driver
b. Worm wheel is driver
c. Either of the worm or worm wheel is a driver
d. Depends on other factors
e. None of the above
Q. In a balancing machine, the units for unbalance measurement are
a. gm-cm-cps
b. cps
c. cm
d. gram
e. gm-cm