WORKSHOP TECHNOLOGY QUIZ

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

Rubbing on wood

Using file card

Washing it with dilute acid

Washing it with water

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The upsetting is a process of

Joining the two surfaces of metal under pressure after heating

Increasing the cross-section of a bar

Reducing the cross-section of a bar

Bending of a bar

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The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is

Outside micrometer

Vernier caliper

Depth gauge micrometer

Inside micrometer

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When more volume of acetylene and less volume of oxygen is supplied, then a ___ flame is obtained.

Oxidizing

None of the listed here

Neutral

Carburising

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In TIG arc welding, the welding zone is shielded by an atmosphere of

Helium gas

Argon gas

None of these

Either (A) or (B)

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In sheet metal work, he cutting force on the tool can be reduced by

Providing shear on tool

Increasing the hardness of tool

Grinding the cutting edges sharp

Increasing the hardness of die

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A rip saw

All of these

Has a narrow blade with two wooden handles

Is used for cutting along the grains of wood

Is a two man saw

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Cutting and forming operations can be performed in a single operation in a

Simple die

Combination die

Progressive die

Compound die

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For arc welding

Any one of these

Alternating current with low frequency is used

Direct current is used

Alternating current with high frequency is used

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The property of sand due to which the sand grains stick together is called

Permeability

Collapsibility

Adhesiveness

Cohesiveness

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