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Workshop Technology

Workshop Technology
In order to deliver molten metal from pouring basin to gate, a ________ is used.

None of these
Sprue
Core
Riser

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Workshop Technology
In backhand welding, the angle between the welding rod and the work is ___ as compared to forehand welding.

Less
More
None of the listed here
Same

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Workshop Technology
In arc welding, the temperature of heat produced by the electric arc is of the order of

4000°C to 5000°C
5000°C to 6000°C
3000°C to 4000°C
6000°C to 7000°C

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Workshop Technology
For welding plates of thickness less than 5 mm, its edges

Should have a double-V or U-groove on both sides
Do not require bevelling
Should have a double-V or U-groove on one side
Should be bevelled to a single-V or U-groove

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

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

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Workshop Technology
The algebraic difference between the minimum limit and the basic size is called

Lower deviation
Fundamental deviation
Actual deviation
Upper deviation

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