Machine Design
Deep groove ball bearings are used for

Radial load at high speed
Heavy thrust load only
Combined thrust and radial loads at high speed
Small angular displacement of shafts

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Machine Design
Plastic flow in ductile materials

Depends on other considerations
Lessens the seriousness of static loading stress concentration
Increases the seriousness of static loading stress concentration
Has no effect on it

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Machine Design
According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

Equating tearing resistance of the plate to the shearing resistance of the rivets
Equating tearing resistance of the plate to the crushing resistance of the rivets
None of these
Equating shearing resistance to the crushing resistance of the rivets

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Machine Design
A tap bolt

Has a head on one end and a nut fitted to the other
Has pointed threads
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has both the ends threaded

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Machine Design
Cap screws are

Provided with detachable caps
Similar to small size tap bolts except that a greater variety of shapes of heads are available
Slotted for a screw driver and generally used with a nut
Used to prevent relative motion between parts

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