Question # 1

Which of the following glass transmits the maximum light.

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Serrated glass

Clear glass

Milk glass

Opalescent glass

What refer by the ability of steel to be hardened through to its centre in large section?

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Malleability

Hardenability

Ductility

Rigidity

The alkaline hydrolysis of fat is know as

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Condensation

Esterification

Saponification

Emulsification

The liquor is screened to exclude ________ material

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Fibrous

Polymers

Maltose

Sucrose

Organic farming is the technique of raising crops through uses of.

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Manures

Biofertilizers

Resistant varieties

All of these

Which of the following term is not used in pulping.

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Kappa number

Copper number

Bromine Number

Octane Number

What ASTM test for compression is designated for plastics.

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D 638

D 695

D 790

D 732

Iron is said to be abundant in nature. About how many percent of the earth’s crust is iron.

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10%

5%

20%

8%

If diesel has cetane number of 50 then the diesel index will be.

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36

46

56

66

The percentage of nitrogen in ammonia is _______________%

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32

82

25

55

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

Major ingredients of traditional ceramics

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Silica

Clay

Feldspar

All

Each fat or oil in made up of

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A distinctive mixture of several different triglycorides

A distinctive mixture of several aldehydes

Mixture of above both

None of above

In a system of designating wrought aluminum alloys a sour digit number is used what does the first digit indicate.

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The purity of aluminum

The identity of the alloy

The alloy group

All of above

The chrome molybdenum steels contain how many percent of molybdenum

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0.10

0.20

0.30

0.40

Which type of organic compounds does fat belong to.

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Alkene

Ester

Alkanol

Alkanoic acid

What is defined as a local corrosion damaged characterized by surface cavities.

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Cracking

Pitting

Cavitation

Corrosion

The soap and detergent are source of organic pollutants like.

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Glycerol

Polyphosphates

Sulphonated hydrocarbons

All of these

What is the minimum tensile strength of gray Cast Iron class 50

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25000 ibf /in²

50000 ibf/in²

100000 ibf/in²

900000 ib/in²

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

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

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Prilling

Evaporation

Condensation

Distillation

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