Question # 1

_______ is heat treatment cycle that prevents glass from harmful stress.

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Forming

Annealing

Batching

None of these

What field of study encompasses the procurement and production of metals.

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Metallury

Geology

Metagraphy

Nanochemistry

What is the ratio of the maximum load in a tension test to the original cross sectional area of the test bar.

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Tensile strength

Yield strength

Shear strength

Torsion

What is called black gold.

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Petroleum

Coal

Coal tar

Natural gas

Which cast iron is hard and wear resistant.

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Grey iron

White iron

Melleable iron

None of these

What element is added to copper to increase its strength and fatigue propertioes.

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Silicon

Aluminium

Beryllium

Copper

Ammonia when used directly as a fertilizer is to be injected about_____ under the surface to keep it from seeping out.

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2 inches

4 inches

6 inches

10 inches

Naphthalene balls are obtained from

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Carbon

Coke

Coal Tar

All of above

Purpose of sizing is.

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To increase the strength

To improve formation

To increase resistance toward water

To remove wastes

Petroleum is mixture of

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Petrol

Diesal

Petroleum

All of these

What is a process for making glass reinforced shapes that can be general by polling resin impregnated glass stands though a die.

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Continuous pultrusion

Bulk molding

Vacuum bag forming

Computational analysis

Polyethylene Glycols are used in the preparation of which tye of detergetns.

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Cationic detergents

Anionic detergents

Non ionic detergent soaps

None of above

Which of the following statements is NOT true .

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About 10% of the earth's crust is iron

Pure iron does not have significant industrial use because it is too weak and soft.

Steel in an alloy of carbon and iron with limits on the amount of carbon

None of above

Turpentine is obtained from._______________

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Oak tree

Pine tree

Birch tree

Lemon tree

Soap and detergent remove the direct form clothes due to.

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Osmosis

Gravity

Lowering of interfacial tension

Diffusion

What ASTM test for tension is designated for plastics.

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A 370

D 638

E 292

None of these

What do you call earth and stone missed with the iron oxide

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Hematite

Gangue

Ore

Residue

Cement containing higher percentage of gypsum than required.

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Sets slowly

Sets repidly

_{Does not set at all}

Has no effect

CNG is stored under

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Power genertion

Electric Generators

Solvent

All of above

Proper proportioning of concrete, ensures

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Resistance to water

Desired durability

Water tightens of the structure.

All

Which treatment is done with pulp before delivering it to paper making machine.

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Pulp is disperse din water to make slurry

Mechanical refining or heating of the fibers

Addition of chemical additives and recycled fibres from the waste paper plant

All above

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