Theory of Machine
There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is

1/24
12
1/8
4/15

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Theory of Machine
In a single slider crank chain

Each of the four pairs is a turning pair
Two are turning pairs and two are sliding pairs
Three are turning pairs and one is a sliding pair
One is a turning pair and three are sliding pairs

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Theory of Machine
A body in motion will be subjected to Coriolis acceleration when that body is

In plane motion which is a resultant of plane translation and rotation
In plane rotation with variable velocity
Restrained to rotate while sliding over another body
In plane translation with variable velocity

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