Which type of governor is preferred for gramophones?
A.Porter
B.Watt
C.Hartnell
D.Pickering
E.Harting
Category: Theory of Machines Mcqs
The number of instantaneous centres for a four bar chain mechanism would be
A.2
B.3
C.4
D.5
E.6
The belt drive can transmit maximum power when maximum total tension in belt equals
A.Centrifugal tension
B.Twise the centrifugal tension
C.Thrice the centrifugal tension
D.Four times the centrifugal tension
E.None of the above
The standard pressure angle is generally
A.10?
B.12
C.14
D.17
E.22
Two parallel shafts, the distance between whose axies is small and variable, may be connected by
A.Gear drive
B.Universal joint
C.Clutch arrangement
D.Knuckle joint
E.Oldham’s coupling
In case of flat belt drive the length of belt in case of
A.Open belt depends on sum of the diameters of pulleys
B.Open belts depends on difference of the diameters of pulleys
C.Cross belts depends on the sum of the diameters of pulleys
D.Cross belts depends on the difference of the diameters of pulleys
E.None of the above
In Iocomotive operation, the swaying couple results due to
A.Use of two cylinders
B.Use of double acting cylinders
C.High speeds
D.Hammer blow
E.Primary disturbing force
Frequency of oscillation of a compound pendulum having the same distance between point of suspension and the centre of gravity of mass as a simple pendulum will be
A.Less
B.Same
C.More
D.Depends on other parameters
E.None of the above
A 0.5 kg weight attached to a light spring elongates it 0.981 mm. The natural frequency of the system would be approximately
A.6 cps
B.11 cps
C.16 cps
D.26 cps
E.21 cps
In a car transmission losses will be least in which gear?
A.Direct gear
B.First gear
C.Second gear
D.Third gear
