Question # 1

What ASTM test for tension is designated for plastics.

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A 370

D 638

E 292

None of these

What is the lowest temperature diffusion hardening process and does not require a quench

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Carburizing

Tempering

Nitriding

Melting

The number of Glass products now manufactured is.

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25,000

75,000

50,000

All of these

The percentage of nitrogen in Urea is _____________%

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46

37

82

50

The alkaline hydrolysis of fat is know as

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Condensation

Esterification

Saponification

Emulsification

Final paper wound in the form of a real having final moisture of about.

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6-8%

9 - 12 %

13-15 %

4 - 10%

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

Most effective pesticide is

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Carbonates

Organophosphates

Organ chlorines

All of these

Soap and detergent remove the direct form clothes due to.

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Osmosis

Gravity

Lowering of interfacial tension

Diffusion

The fertilizers which provide single nutrient from NPK are called _______ fertilizer

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Straight

compound

Both A and b

None of above

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

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Silicon

Aluminium

Beryllium

Copper

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

The soap and detergent are source of organic pollutants like.

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Glycerol

Polyphosphates

Sulphonated hydrocarbons

All of these

Which sequence of steps is correct in paper making machine

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Pressing Dyring, Flow spreader Calender stock

Flow spreader, Pressing, Prying Calender sock

Drying ,Pressing , Flow spreader, Calender stock

None of above

The percentage of nitrogen in ammonium sulphate is__________%

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27

21

23

19

What impurity in steel can cause ted shortness which means the steel becomes unworkable at high temperature.

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Sulphur

Silicon

Magnesium

Aluminium

What is the ASTM tension testing designation for standard method for steel products.

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A 370

E 345

E8

E 9

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

What is the most undesirable of all the elements commonly found in steels.

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Sulphur

Phosphorus

Silocn

Magnesium

Natural fertilizers are materials derived from

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Plants

Animal

Algae

All of above

Bitumen is used in

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Electric generators

Road surfacing

Coal tar

All of above

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