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Machine Design

Machine Design
The number of slots in a 25 mm castle nut is

2
8
4
6

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Machine Design
The valve rod in a steam engine is connected to an eccentric rod by

Bolted joint
Knuckle joint
Cotter joint
Universal coupling

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Machine Design
The application of third type levers is found in

A pair of tongs
Hand wheel of a punching press
Lever of a loaded safety valve
Handle of a hand pump

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Machine Design
The lead angle of a worm is 22.5°. Its helix angle will be

67.5°
45°
90°
22.5°

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Machine Design
The objective of idler pulley in belt drive is to

Increase the power transmission capacity
All the above objectives
Decrease the tendency of belt to slip
Increase the wrap angle and belt tension

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Machine Design
In a turnbuckle, if one of the rods has left hand threads, then the other rod will have

Pointed threads
Left hand threads
Multiple threads
Right hand threads

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MORE MCQ ON Machine Design

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