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Machine Design

Machine Design
The difference between the upper limit and lower limit of a dimension is called

Actual size
Nominal size
Tolerance
Basic size

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Machine Design
Stress concentration in cyclic loading is more serious in

Equally serious in both cases
Depends on other factors
Brittle materials
Ductile materials

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

Bolted joint
Cotter joint
Universal coupling
Knuckle joint

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Machine Design
In case of pressure vessels having open ends, the fluid pressure induces

None of these
Shear stress
Circumferential stress
Longitudinal stress

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Machine Design
When two non-intersecting and non-coplanar shafts are connected by gears, the arrangement is known as

Spur gearing
Helical gearing
Bevel gearing
Spiral gearing

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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).

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

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