WORKSHOP TECHNOLOGY QUIZ

Thermit welding is often used in

Repairing broken shears

Replacing broken gear teeth

Joining rails, truck frames and locomotive frames etc.

All of these

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A pattern maker's shrinkage rule considers

All materials to be cast

All materials of the pattern

Only shrinkage allowance

All pattern allowances

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Which of the following welding process uses non-consumable electrodes?

Manual arc welding

Submerged arc welding

MIG welding

TIG welding

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When a pattern is made in three parts, the ________ is known as a drag.

Bottom part

Top part

Middle part

None of these

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The process of increasing the cross-section of a bar at the expense of its length, is called

Drawing down

Spinning

Upsetting

Peening

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Swab is used for

Moistening the sand around the edge before removing pattern

Smoothing and cleaning out depressions in the mould

Reinforcement of sand in the top part of the moulding box

Cleaning the moulding sand

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A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as

Shift

Sand wash

Swell

Scab

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The surface to be left unmachined is marked on the pattern by

Black colour

Blue colour

Yellow colour

Red colour

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The operation of straightening a curved sheet metal, is known as

Squeezing

Coining

Planishing

Drawing

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In a ________, both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.

Simple die

Combination die

Compound die

Progressive die

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