Tapered roller bearings can take

Machine Design
Tapered roller bearings can take

Both radial and axial loads and the ratio of these being less than unity

Both radial and axial loads and the ratio of these being greater than unity

Radial load only

Axial load only

Both radial and axial loads and the ratio of these being less than unity

Both radial and axial loads and the ratio of these being greater than unity

Radial load only

Axial load only

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Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

3W/A

2W/A

W/A

W/2A

3W/A

2W/A

W/A

W/2A

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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

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

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

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

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

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

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

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

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Machine Design
Which is correct statement? Stress concentration in static loading is

Very serious in ductile materials and less serious in brittle materials

Equally serious in both types of materials

Seriousness would depend on other factors

Very serious in brittle materials and less serious in ductile materials

Very serious in ductile materials and less serious in brittle materials

Equally serious in both types of materials

Seriousness would depend on other factors

Very serious in brittle materials and less serious in ductile materials

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Machine Design
In designing a key, it is assumed that the distribution of forces along the length of key

Varies exponentially, being less at the torque-input end

Is uniform throughout

Varies linearly

Varies exponentially, being more at the torque-input end

Varies exponentially, being less at the torque-input end

Is uniform throughout

Varies linearly

Varies exponentially, being more at the torque-input end

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Machine Design
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is

Smaller

Equal

Larger

Larger/smaller depending on diameter of spring coil

Smaller

Equal

Larger

Larger/smaller depending on diameter of spring coil

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Machine Design

Machine Design Tapered roller bearings can take

Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

Machine Design Castle nut is a locking device in which

Machine Design Which is correct statement? Stress concentration in static loading is

Machine Design In designing a key, it is assumed that the distribution of forces along the length of key

Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is

Machine Design
Tapered roller bearings can take

Machine Design
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be

Machine Design
Castle nut is a locking device in which

Machine Design
Which is correct statement? Stress concentration in static loading is

Machine Design
In designing a key, it is assumed that the distribution of forces along the length of key

Machine Design
The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is