Question # 1

What field of study encompasses procurement and production of metals.

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Metallurgy

Geology

Material science

Metalgraphy

During sintering densification is not due to

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Atomic diffusion

Surface diffusion

Bulk diffusion

Surface tenstion

Which of the following is the most suitable catalyst for ammonia synthesis.

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Pt

ZnO+ Cr2O3

Fe in fused mixture of Al2O3 + SiO2+ MgO

All of above

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

The principle former of almost all glasses is

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(SIO2)n

(SiO3)n

(SiO2)

None of these

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

Granulated sugar contains _____________% sucrose

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80

99.30

60

90

The percentage of nitrogen in ammonium sulphate is__________%

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27

21

23

19

What prefix in steel identification means composition varies from normal limits.

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E

B

X

F

Glass industry requires soda ash with

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Solids density 1.91 and bulk density 1.0

Solids density 1.86 and bulk density 0.6

Solid density 1.80 and bulk density 0.58

All of above

PCRA stand for

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Pollution control research association

Petroleum conversation Research association

Petroleum control research association

All of above

In which paper some additive is not added.

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Carbon paper

Filter paper

Glazed paper

Art paper

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

What cast iron has modular or spheroidal graphite?

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Ductile iron

Gray iron

White iron

Raw iron

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

Rotary spinning process is used to produce

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Glass wool

Optical fibre

Glass marble

None of above

Argillaceous material does not include.

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Vlay

Marine shells

Slate

Blast furnace slag

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

What typical penetrator is used in Brinell hardness test

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10 mm ball

1.6 mm diameter ball

20^o needle

None of these

What is considered as the general purpose oldest type and widely used case iron.

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Grey iron

Alloy iron

Black iron

Ductile iron

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

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Starch

Glucose

Cellulose

Maltose

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