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Workshop Technology

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

More
Less
None of the listed here
Same

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Workshop Technology
When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by

Using file card
Washing it with dilute acid
Rubbing on wood
Washing it with water

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Workshop Technology
A pattern maker's shrinkage rule considers

All pattern allowances
All materials to be cast
All materials of the pattern
Only shrinkage allowance

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Workshop Technology
Thermit, used in Thermit welding, is a mixture of

Charcoal and iron oxide
Iron oxide and aluminium
Charcoal, iron oxide and aluminium
Charcoal and aluminium

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Workshop Technology
In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used.

Sand slinger
Squeezing machine
Stripper plate machine
Jolt machine

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Workshop Technology
Loam sand is a mixture of

30% sand and 70% clay
90% sand and 10% clay
50% sand and 50% clay
70% sand and 30% clay

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