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

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

Equating shearing resistance to the crushing resistance of the rivets

Equating tearing resistance of the plate to the crushing resistance of the rivets

None of these

Equating tearing resistance of the plate to the shearing resistance of the rivets

Equating shearing resistance to the crushing resistance of the rivets

Equating tearing resistance of the plate to the crushing resistance of the rivets

None of these

Equating tearing resistance of the plate to the shearing resistance of the rivets

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Machine Design
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.

Either A or B

None of these

Thin film

Thick film

Either A or B

None of these

Thin film

Thick film

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Machine Design
Cap screws are

Similar to small size tap bolts except that a greater variety of shapes of heads are available

Used to prevent relative motion between parts

Provided with detachable caps

Slotted for a screw driver and generally used with a nut

Similar to small size tap bolts except that a greater variety of shapes of heads are available

Used to prevent relative motion between parts

Provided with detachable caps

Slotted for a screw driver and generally used with a nut

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Machine Design
The stress induced in the belt is,

Compressive stress

Direct shear stress

Torsional shear stress

Tensile stress

Compressive stress

Direct shear stress

Torsional shear stress

Tensile stress

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Machine Design
According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be

70 to 83%

80 to 90%

63 to 70%

45 to 60%

70 to 83%

80 to 90%

63 to 70%

45 to 60%

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Machine Design
In oilness bearings

The oil film pressure is generated only by the rotation of the journal

Grease required to be applied after some intervals

The oil film is maintained by supplying oil under pressure

Do not require external supply of lubricant

The oil film pressure is generated only by the rotation of the journal

Grease required to be applied after some intervals

The oil film is maintained by supplying oil under pressure

Do not require external supply of lubricant

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Machine Design

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

Machine Design In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.

Machine Design Cap screws are

Machine Design The stress induced in the belt is,

Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be

Machine Design In oilness bearings

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

Machine Design
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.

Machine Design
Cap screws are

Machine Design
The stress induced in the belt is,

Machine Design
According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be

Machine Design
In oilness bearings