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Theory of Machine

Theory of Machine
Rectilinear motion of piston is converted into rotary by

Connecting rod
Cross head
Slider crank
Gudgeon pin

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Theory of Machine
The brake commonly used in railway trains is

Band and block brake
Shoe brake
Internal expanding brake
Band brake

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Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is

95 mm
Slightly less than 95 mm
45 mm
Slightly more than 95 mm

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Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Module
Diametral pitch
None of these
Circular pitch

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Theory of Machine
Which of the following would constitute a link?

Piston and piston rod
Piston, piston rod and cross head
Piston rod and cross head
Piston, crank pin and crank shaft

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Theory of Machine
The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship.

Horizontally and perpendicular
Vertically and perpendicular
Horizontally and parallel
Vertically and parallel

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