Question # 1

The alpha iron will become paramagnetic at temperature above

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770 C

550 C

660 C

440 C

In Glass of vitreous state solid the atoms are arranged in.

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Regular fashion

Random fashion

linear fashion

All of these

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

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Austenite

Eutectoid

Hyper eutectoid

Silver steel

What is a measure of rigidity?

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Stiffiness

Jardmess

Strength

Modulus of elasticity

What field of study encompasses procurement and production of metals.

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Metallurgy

Geology

Material science

Metalgraphy

What cast iron has modular or spheroidal graphite?

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Ductile iron

Gray iron

White iron

Raw iron

What letter suffix steel identification means that it is steel with boron as an alloying elements.

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xxL xx

xxBxx

xxHxx

xxKxx

Aviation Fuel contains.

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Light Naphtha

Medium Naphtha

Kerosene

Diesel

Ammonium nitrate is sold as a mixture with

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Soda Ash

Lime stone

Zinc

None of above

For highly paraffine , crude oil, the characterization factor will be in range of

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11.5-12.5

12.5-13.0

13.5-14.0

13.4-15.0

Major ingredients of traditional ceramics

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Silica

Clay

Feldspar

All

Which type of organic compounds does fat belong to.

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Alkene

Ester

Alkanol

Alkanoic acid

What is the most common alloying ingredient in copper?

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Brass

Zinc

Cobalt

Nickle

In Pakistan the total production of glass is over ________ tons per year.

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800

8000

80,000

None of these

Which of the following is not adsorptive separation process.

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Parex

Olex

Penex

None of these

What refers to the tin mill steel, without a coating.

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White plate

Black plate

Tin steel free

Dichromate tin

To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temeperature between

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1100 ^o and 1200 ^oC

1200 ^o and 1300 ^oC

1400 ^o and 1500 ^oC

1900^o and 2000 ^oC

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

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Tuyere

Coke

Silver

Diamond

In a system of designating wrought aluminum alloys. what does the second digit represents.

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The purity of aluminum

The identity of the alloy

The modification of the alloy group or impurity limits

None of above

The chrome molybdenum steels contain how many percent of molybdenum

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0.10

0.20

0.30

0.40

Natural gas can be transported through

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Cylinders

Pipes

Barriers

All of above

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