While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

Machine Design
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

One end fixed and the other end free

Both the ends fixed

Both the ends hinged

One end fixed and the other end hinged

One end fixed and the other end free

Both the ends fixed

Both the ends hinged

One end fixed and the other end hinged

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Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

1 T

4 T

T/2

2 T

1 T

4 T

T/2

2 T

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Machine Design
Residual stress in materials

Becomes zero when external load is removed

Is always harmful

Is independent of external loads

Acts when external load is applied

Becomes zero when external load is removed

Is always harmful

Is independent of external loads

Acts when external load is applied

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Machine Design
Elastic nut is a locking device in which

Through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at other end

One small nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming

Hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is stewed on the bolt causing a tight grip

A slot is cut partly in middle of nut and then slot reduced by tightening a screw

Through slots are made at top and a cotter pin is passed through these and a hole in the bolt, and cotter pin splitted and bent in reverse direction at other end

One small nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming

Hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is stewed on the bolt causing a tight grip

A slot is cut partly in middle of nut and then slot reduced by tightening a screw

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Machine Design
When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

None of these

Square

Rectangular

Parallel

None of these

Square

Rectangular

Parallel

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Machine Design
The maximum bending stress in a curved beam having symmetrical section always occur at the

Outside fiber

Inside fiber

Centroidal axis

Neutral axis

Outside fiber

Inside fiber

Centroidal axis

Neutral axis

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Machine Design

Machine Design While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

Machine Design Residual stress in materials

Machine Design Elastic nut is a locking device in which

Machine Design When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

Machine Design The maximum bending stress in a curved beam having symmetrical section always occur at the

Machine Design
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

Machine Design
Residual stress in materials

Machine Design
Elastic nut is a locking device in which

Machine Design
When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used.

Machine Design
The maximum bending stress in a curved beam having symmetrical section always occur at the