Question # 1

Which of the following process is not sorbent separation technolgy.

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Penex

Parex

Molex

Olex

The most common beta brase with a composition of 60 % copper and 40% zinc is called.

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Yellow brase

Red brase

Muntz metal

None of above

What corrosion occurs under organic coating on metals as fine wavy hairlines?

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Stray current corrosion

Microbiological corrosion

Filiform corrosion

Simple corrosion

The principle former of almost all glasses is

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(SIO2)n

(SiO3)n

(SiO2)

None of these

What refers to the deterioration of material by oscillatory relative motion of small amplitude between two solid surfaces in a corrosive environment?

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Stray current corrosion

Microbiologicla corrosion

Fretting corrosion

None of these

Turpentine is obtained from._______________

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Oak tree

Pine tree

Birch tree

Lemon tree

Petroleum is formed from

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Domestic animal

Organisms in sea

Wild animals

All above

The wear-resistance of the material is attributed to its ability on ________ that is the hardness is increased greatly when the steel is cold worked.

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Cold harden

Stress harden

Strain harden

Cool temperature

Granulated sugar containing._____________

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Glucose

Fructose

Maltose

Sucrose

The following ceramic product is mostly used as pigment in paints.

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TiO2

SiO2

uo2

ZrO2

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

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Starch

Glucose

Cellulose

Maltose

The composition of mixture of clay and lime stone in the raw for cement material is.

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75% lime stone and 25% clay

25% lime stone and 75% clay

15% lime stone and 55% clay

30% limes stone and 79% clay

The number of Glass products now manufactured is.

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25,000

75,000

50,000

All of these

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

Silicon bronze contains how many percent of silicon.

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96%

3%

1 %

69 %

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

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Straight

compound

Both A and b

None of above

Granulated sugar contains _____________% sucrose

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80

99.30

60

90

Which of the following statement is not true in case of catalytic reforming.

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High temperature results in loss of reformate yield

High naphthenic stock require high space velocity

Presence of water decrease the hydrocracking activity.

None of above

What is use of the addition of brine solution in the production of soap from castor oil and sodium hydroxide.

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To speed up the reaction

To lower the solubility of soap

To remove unreacted castor oil and sodium hydroxide

To increase the purity of the soap obtained.

Hot isostatic pressing is not a viable option if the chief criterion is

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Strength without gram growth

Lost cost

Zero porosity

Make it hard

What refers to the application of any process whereby the surface of steel is altered so that it will become hard.

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Caburizing

Case harden zing

Ammealing

Surface hardening

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