Question # 1

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

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Hematite

Gangue

Ore

Residue

What element constitutes the major component of most bronzes.

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Tin

Zinc

Carbon

Aluminum

What is the effect of aluminum in cast iron.

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To increase hardness above 0.5 %

To deoxidize molten cast iron

To affect machinability, ductility and shrinkage depending on form

Both A and B

The nutrients which are required in very small amount for the normal growth of plants are called.

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Nitrogenous fertilizers

Micronutrients

Phosphorus fertilizer

All of the above

Calander stock is a process in paper making in which.

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Thickness of the paper is reduced

Surface of paper is made smooth

Moisture is removed

Both A and B

The main constituent of glass is.

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Silica

Silicon

Magnesia

Alumina

Rotary spinning process is used to produce

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Glass wool

Optical fibre

Glass marble

None of above

What is a measure of rigidity?

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Stiffiness

Jardmess

Strength

Modulus of elasticity

_____ remove the remaining color producing a water white sugar syrup

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Carbon filters

Centrifuge

Annealing

Refining

The percentage of nitrogen in Urea is _____________%

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46

37

82

50

Which type of the coal preferred for metallurgical coal.

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Lignite

Peat

Bituminous coal

None of these

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

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

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 refers to the tin mill steel, without a coating.

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White plate

Black plate

Tin steel free

Dichromate tin

The juice is allowed to boil at lower temperatures to protect the sugar from

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Hardening

Solubility in water

Caramelization

Dwatering

Potassium sulphate with 48% to 52% potash, is made from.

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Potassium phosphate

Potassium Chloride

Potassium Nitrate

None of these

Which substance is used as filler or additive in paper making.

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Starch

Glucose

Cellulose

Maltose

Pyrolysis gasoline is obtained from.

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Catalytic cracking

Gasification

Steam cracking

Reforming

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 word 'ceramic' meant for.

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Soft material

Hard material

Burnt material

Dry material

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