Question # 1

What type of steel has 0.8 % carbon and 100% pearlite.

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Austenite

Eutectoid

Hyper eutectoid

Silver steel

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

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Na2CO3

KCl

Na2SO4

NaOH

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

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Tempering

Picking

Machining

Sizing

Granulated sugar contains _____________% sucrose

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80

99.30

60

90

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 following are primary alloying ingredients of Group H steel except.

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Malybdenum

Cobalt

Chromium

Tungsten

The main constituent of glass is.

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Silica

Silicon

Magnesia

Alumina

The chrome vanadium steels contain how many percent of vanadium.

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0.15 to 0.30

0.05 to 0.15

0.30 to 0.45

0.45 to 0.60

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

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Tuyere

Coke

Silver

Diamond

What is the equilibrium temperature of transformation of austenite to pearlite

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1000 F

1333 F

166 6 F

1222 F

The alpha iron will become paramagnetic at temperature above

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770 C

550 C

660 C

440 C

in the system of designating wrought aluminum alloys the letter F that follows the number indicates what condition of the alloy.

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As fabricated

Calcined

Annealed

Strain hardened

Not a major contributor of engineering ceramics

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SiC

SiO2

Si3N4

BH3

If diesel has cetane number of 50 then the diesel index will be.

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36

46

56

66

PCRA stand for

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Pollution control research association

Petroleum conversation Research association

Petroleum control research association

All of above

The following alloys are the chief alloys that are die cast except.

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Zinc alloys

Magnesium alloys

Manganese alloys

Nickel alloys

What is prefix in steel identification means it is made in an electric furnaced.

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E

H

B

Z

Cement is a mixture of

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Clay and clinker

Clay limestone and gypsum

Limestone and gypsum

Binder

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