A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be

Machine Design
A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be

2 τ

4 τ

τ

τ/2

2 τ

4 τ

τ

τ/2

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Machine Design
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Ensure proper alignment

Ensure uniform loading

Reduce vibration

Reduce slip

Ensure proper alignment

Ensure uniform loading

Reduce vibration

Reduce slip

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Machine Design
The included angle for the V-belt is usually

60°-80°

30°-40°

10°-20°

40°-60°

60°-80°

30°-40°

10°-20°

40°-60°

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Machine Design
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Module

Axial pitch

Normal pitch

Diametral pitch

Module

Axial pitch

Normal pitch

Diametral pitch

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Machine Design
When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

White colour

Grey colour

Yellow colour

Brown colour

White colour

Grey colour

Yellow colour

Brown colour

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Machine Design
Gear box is used

To produce torque

For speed reduction

To obtain variable speeds

To increase efficiency of system

To produce torque

For speed reduction

To obtain variable speeds

To increase efficiency of system

ANSWER DOWNLOAD EXAMIANS APP

Machine Design

Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Machine Design The included angle for the V-belt is usually

Machine Design In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Machine Design When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

Machine Design Gear box is used

Machine Design
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to

Machine Design
The included angle for the V-belt is usually

Machine Design
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called

Machine Design
When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

Machine Design
Gear box is used