Question # 1

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

Calander stock is a process in paper making in which.

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Thickness of the paper is reduced

Surface of paper is made smooth

Moisture is removed

Both A and B

What is the effect of manganese in cast iron.

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^{To affect the machinability ductility and shrinkage depending on form}

To reduce hardness by combining with sulfur below 0.5% and increase hardness above 0.55

To dioxide molten cast iron

Have no effect

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

Galvanized steel are steel products coated with

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Carbon

Sulphur

Zinc

Iron

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

___________ surfactants perform well over a wide range of water hardness and pH.

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Anionic

Cationic

Nonionic

Neutral

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

_____ remove the remaining color producing a water white sugar syrup

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Carbon filters

Centrifuge

Annealing

Refining

Which of the following is NOT a hardware requirement for die casting.

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Water cooled metal cavities

Machined metal holding blocks

Ejection mechanism

Metal mold

Ammonia when used directly as a fertilizer is to be injected about_____ under the surface to keep it from seeping out.

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2 inches

4 inches

6 inches

10 inches

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

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KNO3

KCl

HNO3

H2SO4

__________ is used for fruits, vegetables and tobacco

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Potassium Chloride

Potassium Sulphate

Potassium nitraite

All above

What is the function of Head Box in paper making machine.

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It dry the paper

It reduces thickness of paper

It makes the surface of paper smooth

It discharge the pulp at the screen of fourdrinier table

CNG is stored under

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Power genertion

Electric Generators

Solvent

All of above

The layer containing petroleum oil and gas is.

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Above that of water

Below water

Between water and sand

All of above

The liquor is screened to exclude ________ material

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Fibrous

Polymers

Maltose

Sucrose

Which type of organic compounds does fat belong to.

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Alkene

Ester

Alkanol

Alkanoic acid

Natural gas can be transported through

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Cylinders

Pipes

Barriers

All of above

Red brass contain about how many percent of zinc.

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20 %

15 %

30 %

25 %

Silicon bronze contains how many percent of silicon.

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96%

3%

1 %

69 %

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