Question # 1

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

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

Glass was first made by about________

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40 BC

400 BC

4000 BC

100 BC

Which of the following statement is not true in case of catalytic reforming.

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High temperature results in loss of reformate yield

High naphthenic stock require high space velocity

Presence of water decrease the hydrocracking activity.

None of above

Indicate the false statement about corrosion.

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Plastics and ceramics are immune to many forms of corrosion because they are not good conduction of electricity.

The corroded member in a corrosion cell is the cathode

Passivity is a prerequisite for the corrosion protect on many metals

None of these

CNG is stored under

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Power genertion

Electric Generators

Solvent

All of above

The substance added to the soil to provide one or more nutrient elements essential for plants growth are called.

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Growth hormones

Fertilizers

Salts

Minerals

What is a coal that has been previously burned in an oxygen poor environment?

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Tuyere

Coke

Silver

Diamond

Manganese steel usually contains how many percent of manganese.

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1 to 5

3 to 10

11 to 14

14 to 18

In glass making the whole combination of ingredients is called a.

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Gangue

Batch

Mixture

None of these

The green color of water in a lake is due to

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Excessive growth of sea weeds

Algae

Pollution

Grass

The alkaline hydrolysis of fat is know as

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Condensation

Esterification

Saponification

Emulsification

Which of the following cast iron is heat treated for ductility.

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Gray iron

Malleable iron

White iron

None of these

What is the scaling off of a surface in flakes or layers as the result of corrosion?

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Expoliation

Corrosion fatigue

Scaping

Fretting

Petrol can be saved by

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Driving at a constant and moderate speed

Ensuring correct type pressure

Switching off the engine at traffic lights

All of these

Red brass contain about how many percent of zinc.

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20 %

15 %

30 %

25 %

Which of the following cast irons is a high carbon, iron carbon silicon alloy.

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Deorizers

Deoxidizers

Deoxifiers

Deterrent

The principle former of almost all glasses is

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(SIO2)n

(SiO3)n

(SiO2)

None of these

What is the most common alloying ingredient in copper?

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Brass

Zinc

Cobalt

Nickle

What is the advantage of quench hardening?

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Imporoved strength

Hardness

Wear characteristics

All of the choice

Granulated sugar contains _____________% sucrose

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80

99.30

60

90

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