The effect of creep in case of cross belt drive is
A.to increase power transmission
B.to increase the speed of driven pulley
C.to reduce the speed of driven pulley
D.None of the above
Category: Theory of Machines Mcqs
Klein’s construction can be used when
A.Crank has a uniform angular velocity
B.Crank has a uniform angular acceleration
C.Crank has a non-uniform angular velocity
D.(A) and (B) above
E.(A) and (C) above
In order to balance the reciprocating masses, the conditions to be satisfied are
A.Primary forces must balance
B.Primary couples must balance
C.Secondary forces must balance
D.Secondary couples must balance
E.All above conditions must be satisfied
Which of the following is a centrifugal type governor?
A.Watt governor
B.Hartnell governor
C.Porter governor
D.All of the above
E.None of the above
The curve traced by the end of a thread as it is unwound from a stationary cylinder is known as
A.Straight line
B.Circle
C.Cycloid
D.Epicycloid
E.Involute
Klien’s construction gives graphical construction for
A.Velocity polygon
B.Acceleration polygon
C.Both of above
D.Four bar chain mechanism
E.Slider-crank mechanism
The gears are considered to be operating in medium velocity range if their peripheral velocity lies in the range
A.1-3 m/sec
B.3-15 m/sec
C.15-25 m/sec
D.25-50 m/sec
E.50-75 m/sec
A pulley in a belt drive acts as a
A.Sliding pair
B.Rolling pair
C.Cylindrical pair
D.Surface pair
E.Turning pair
A Peaucellier mechanism has
A.Four links
B.Six links
C.Eight links
D.Ten links
E.Twelve links
In a Hartnell governor if the stiffness of spring is increased the governor will
A.Become more sensitive
B.Become less sensitive
C.Remain unaffected as far sensitivity is concerned
D.Start hunting (E) Become isochronous
