Question # 1

Which of the following process is not sorbent separation technolgy.

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Penex

Parex

Molex

Olex

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

Red brass contain about how many percent of zinc.

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20 %

15 %

30 %

25 %

_________ is used as stablizer.

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CaO

SiO2

NaCl

None of these

Galvanized steel are steel products coated with

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Carbon

Sulphur

Zinc

Iron

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

The juice is allowed to boil at lower temperatures to protect the sugar from

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Hardening

Solubility in water

Caramelization

Dwatering

What is the purpose of molybdenum in steel alloying.

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To increase dynamic and high temperature strength and hardness

To increase brittleness

To increase corrosion and resistance

All above

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

Aviation Fuel contains.

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Light Naphtha

Medium Naphtha

Kerosene

Diesel

Which type of the coal preferred for metallurgical coal.

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Lignite

Peat

Bituminous coal

None of these

Organic farming is the technique of raising crops through uses of.

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Manures

Biofertilizers

Resistant varieties

All of these

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

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Tuyere

Coke

Silver

Diamond

What group of steels are molybdenum high sped steels.

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Group A

Group D

Group M

Group H

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 urea is.

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36%

46%

55%

65%

Low quality steels with an M. Suffix on the designation intended for non structural application is classified as.

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Merchant quality

Commercial quality

Drawing quality

Low quality

Which of the following potassium fertilizers are more useful for horticultural crops tobacco and potatatoes.

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KNO3

KCl

HNO3

H2SO4

Potassium sulphate with 48% to 52% potash, is made from.

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Potassium phosphate

Potassium Chloride

Potassium Nitrate

None of these

Glass was first made by about________

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40 BC

400 BC

4000 BC

100 BC

The substance that can form the glassy non-crystalline structure is called.

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Stabilizers

Fluxes or modifiers

Formers

None of these

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