Stress concentration factor is defined as the ratio of

Machine Design
Stress concentration factor is defined as the ratio of

Nominal stress to the endurance limit

Maximum stress to the nominal stress

Maximum stress to the endurance limit

Nominal stress to the maximum stress

Nominal stress to the endurance limit

Maximum stress to the nominal stress

Maximum stress to the endurance limit

Nominal stress to the maximum stress

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Machine Design
Castle nut is a locking device in which

A slot is cut partly is 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 spitted and bent in reverse direction at other end

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

A hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip

A slot is cut partly is 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 spitted and bent in reverse direction at other end

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

A hard fibre or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip

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Machine Design
A connecting rod is designed as a

All of these

Short column

Long column

Strut

All of these

Short column

Long column

Strut

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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

T/2

2 T

1 T

4 T

T/2

2 T

1 T

4 T

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Machine Design
A sliding bearing which operates without any lubricant present, is called

Hydrostatic lubricated bearing

Boundary lubricated bearing

Zero film bearing

Hydrodynamic lubricated bearing

Hydrostatic lubricated bearing

Boundary lubricated bearing

Zero film bearing

Hydrodynamic lubricated bearing

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Machine Design
The pitch diameter is the __________ diameter of an external or internal screw thread.

Largest

Effective

Smallest

None of these

Largest

Effective

Smallest

None of these

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Machine Design

Machine Design Stress concentration factor is defined as the ratio of

Machine Design Castle nut is a locking device in which

Machine Design A connecting rod is designed as a

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 A sliding bearing which operates without any lubricant present, is called

Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread.

Machine Design
Stress concentration factor is defined as the ratio of

Machine Design
Castle nut is a locking device in which

Machine Design
A connecting rod is designed as a

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
A sliding bearing which operates without any lubricant present, is called

Machine Design
The pitch diameter is the __________ diameter of an external or internal screw thread.