Question # 1

The different types of glass are.

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A- glass, C-Glass, E-Glass and S-Glass

A-Glass, B-Glass, E-Glass, S-Glass

AR -Glass, C-Glass, E-Glass and S -Glass

A-B Glass

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

The cooling of molten urea by air in the tower is called.

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Prilling

Evaporation

Condensation

Distillation

Which type of organic compounds does fat belong to.

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Alkene

Ester

Alkanol

Alkanoic acid

CNG is stored under

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Power genertion

Electric Generators

Solvent

All of above

The main constituent of glass is.

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Silica

Silicon

Magnesia

Alumina

Petroleum is formed from

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Domestic animal

Organisms in sea

Wild animals

All above

The alkaline hydrolysis of fat is know as

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Condensation

Esterification

Saponification

Emulsification

________is best in its cleaning action.

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Soap

Detergents

Surfactant

None of these

Washing soap can be prepared by saponification with alkali of _____ of the following oil.

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Rose oil

Paraffin oil

Groundnut oil

Coconut oil

PCRA stand for

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Pollution control research association

Petroleum conversation Research association

Petroleum control research association

All of above

Which type of the coal preferred for metallurgical coal.

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Lignite

Peat

Bituminous coal

None of these

What is the advantage of quench hardening?

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Imporoved strength

Hardness

Wear characteristics

All of the choice

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

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

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Hematite

Gangue

Ore

Residue

The number of Glass products now manufactured is.

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25,000

75,000

50,000

All of these

Which of the following give higher fibre strength.

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Eucalyptus

Pine

Bagnasse

Sugar cane

The electrical resistance of stainless steels can be as much as______ time that of carbon steel.

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5

6

10-

15

__________ is used for fruits, vegetables and tobacco

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Potassium Chloride

Potassium Sulphate

Potassium nitraite

All above

What is the purpose of molybdenum in steel alloying.

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To increase dynamic and high temperature strength and hardness

To increase brittleness

To increase corrosion and resistance

All above

Granulated sugar also known as.

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Brown sugar

Refined sugar

White sugar

None of these

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