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Machine Design

Machine Design
The material used for brake lining should have __________ coefficient of friction.

High
Low
Moderate
None of these

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Machine Design
In a steam engine, the valve rod is connected to an eccentric rod by means of

Knuckle joint
Flange coupling
Universal joint
Cotter joint

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Machine Design
The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v).

12.5 m/s
15 m/s
20 m/s
10 m/s

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Machine Design
A shaft is subjected to

Combined bending and shear stresses
Shear stresses
Bending stresses
All of these

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Machine Design
The largest diameter of an external or internal screw thread is known as

Major diameter
Minor diameter
None of these
Pitch diameter

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Machine Design
When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as

Angular bevel gears
Mitre gears
Crown bevel gears
Internal bevel gears

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