Forced vibrations
A.Are preceded by free vibrations
B.Are followed by free vibrations
C.Have a frequency more than the natural frequency
D.Are independent of natural frequency
E.None of the above
Category: Theory of Machines Mcqs
A kinematic chain requires minimum of
A.2 links and 3 turning pairs
B.3 links and 3 turning pairs
C.3 links and 4 turning pairs
D.4 links and 4 turning pairs
E.4 links and 5 turning pairs
Module for gear is expressed in terms of
A.Number of teeth per unit diameter (mm)
B.Diameter (MM) per number of teeth
C.Millimeters
D.(mm)-1
E.None of the above
Contact ratio of gear should be
A.One
B.More than one
C.Less than one
D.Not defined
E.None of the above
The number of degrees of feeedom for a vibrating beam will be
A.Nil
B.One
C.Two
D.Four
E.Five
In a balancing machine, the units for unbalance measurement are
A.cps
B.cm
C.gram
D.gm-cm
E.gm-cm-cps
Crowning is done on
A.Gears
B.Shafts
C.Pulleys
D.Keys
E.Bearings
Which of the following is a sliding pair?
A.Bolt and nut
B.Ball and socket joint
C.Belt and pulley
D.Cross-head and guides
E.None of the above
Coriorli’s component of acceleration exists whenever a point moves along a path that has
A.Linear displacement
B.Rotational motion
C.Gravitational acceleration
D.Tangential acceleration
E.Centripetal acceleration
Gears of watches are generally manufactured by
A.Die casting
B.Machining on a gear shaper
C.Machining on a hobber
D.Power metallurgy process
E.Stamping
