Question # 1

What is the equilibrium temperature of transformation of austenite to pearlite

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1000 F

1333 F

166 6 F

1222 F

What is a measure of rigidity?

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Stiffiness

Jardmess

Strength

Modulus of elasticity

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

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Manures

Biofertilizers

Resistant varieties

All of these

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

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Silicon

Aluminium

Beryllium

Copper

Which one of the following set of raw material is most suitable for manufacture of urea.

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CH4N2 and CO2

H2CO2 and H2O

H2O N2 and H2

H2O N2 AND KCl

Hydrolytic reaction of fat with caustic soda is known as ______

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Esterification

Saponification

Acetylation

Carboxylation

Proper proportioning of concrete, ensures

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Resistance to water

Desired durability

Water tightens of the structure.

All

Refining is

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Extracting petroleum gas

Separation of various fraction

Heating of coal

All of above

The use of acids to remove oxides and acids on hot worked steels is known as

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Tempering

Picking

Machining

Sizing

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

CNG is stored under

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Power genertion

Electric Generators

Solvent

All of above

What is the function of Head Box in paper making machine.

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It dry the paper

It reduces thickness of paper

It makes the surface of paper smooth

It discharge the pulp at the screen of fourdrinier table

The chrome molybdenum steels contain how many percent of molybdenum

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0.10

0.20

0.30

0.40

The green color of water in a lake is due to

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Excessive growth of sea weeds

Algae

Pollution

Grass

The percentage of nitrogen in Urea is _____________%

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46

37

82

50

Which of the following is NOT true 7 ceramic materials are.

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Hard, have high densities high compressive strength and very good thermal resistance and strength at higher temperature Silicon

Hard, have low densities high compressive strength and very good thermal resistance and strength at higher temperature.

Hard, have low densities low compressive strength and very good thermal resistance and strength at higher temperature.

Hard, have low densities' high compressive strength and very good thermal resistance and strength at higher temperature.

A steel cannot qualify for stainless prefix until it has at least how many percent of chromium.

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10 %

20 %

5 %

30 %

The brown colour of the pulp obtained from chemical pulping is due to the present of

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Chlorine

Residual lignin

Sodium hydochlorite

All above

Which of following is used as make up chemical in Kraft process.

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Na2CO3

KCl

Na2SO4

NaOH

Silicon bronze contains how many percent of silicon.

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96%

3%

1 %

69 %

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