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Workshop Technology

Workshop Technology
A zinc diffusion process is called

Anodizing
Galvanizing
Sherardizing
Parkerising

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Workshop Technology
The blank diameter used in thread rolling will be

A little larger than the pitch diameter of the thread
A little larger than the minor diameter of the thread
Equal to pitch diameter of the thread
Equal to minor diameter of the thread

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Workshop Technology
The increase in hardness due to cold working, is called

Work hardening
Age hardening
Flame hardening
Induction hardening

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Workshop Technology
The temperature of the inner luminous cone of neutral flame is about

1250°C
1000°C
2100°C
3200°C

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Workshop Technology
In order to get uniform thickness of the plate by rolling process, one provides

Offset on the rolls
Camber on the rolls
Antifriction bearings
Hardening of the rolls

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Workshop Technology
During cold working process

Grain structure is distorted
Strength and hardness of metal increases
All of the listed here
Close dimensional tolerance can be maintained

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