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

None of these

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

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

Equating shearing resistance to the crushing resistance of the rivets

None of these

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

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

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Machine Design
If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation

168 d

138 d

151 d

124 d

168 d

138 d

151 d

124 d

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Machine Design
In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

Equal to

Larger than

Smaller than

None of these

Equal to

Larger than

Smaller than

None of these

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Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Flanks of both gear and pinion

Tip of the gear and flank of pinion

Tip of both gear and pinion

Tip of the pinion and flank of gear

Flanks of both gear and pinion

Tip of the gear and flank of pinion

Tip of both gear and pinion

Tip of the pinion and flank of gear

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Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

P/2.s.l

√2P/s.l

2P/s.l

P/√2.s.l

P/2.s.l

√2P/s.l

2P/s.l

P/√2.s.l

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Machine Design
When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

Move towards right of the bearing making no metal to metal contact

Move towards right of the bearing making the metal to metal contact

Have contact at the bottom most of the bearing

Move towards left of the bearing making metal to metal contact

Move towards right of the bearing making no metal to metal contact

Move towards right of the bearing making the metal to metal contact

Have contact at the bottom most of the bearing

Move towards left of the bearing making metal to metal contact

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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 If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation

Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

Machine Design An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Machine Design A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

Machine Design When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will

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
If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation

Machine Design
In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.

Machine Design
An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the

Machine Design
A double fillet welded joint with parallel fillet weld of length 'l' and leg 's' is subjected to a tensile force 'P'. Assuming uniform stress distribution, the shear stress in the weld is given by

Machine Design
When the shaft rotates in anticlockwise direction at slow speed in a bearing, it will