Question # 1

During manufacturing of cement , the temperature of pre heating zone is.

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500 ^oC

900^oC

1000^oC

1500^oC

Which three elements are needed for the healthy growth of plants.

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N,S,P

N, Ca, P

N,P,K

N,K,C

The macro nutrients are required in ranging from

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5 kg to 200 kg

5 kg to 200 g

6g to 200 g

1 kg to 100 kg

In Pakistan pulp is usually bleached with Cl2. The residual chlorine is removed from pulp by an antichlor which is

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dil HCl

dil NaOH

Water

NaCl

Phosphorus helps the growth of

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Root

Leaf

Steam

Seed

Which is not a calcarious material

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Clay

Limestone

Marble

Chalk

Which chemical reduces the acidity of soil.

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Lime

Urea

Ammonium nitrate

Ammonium sulphate

Which one of the followings is woody raw material used for making pulp and paper

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Eucalyptus

Wheat straw

Bagasse

Cotton linter

Which three elements are needed for the healthy growth of plants

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N,S,P

N,Ca,P

N,P,K

N,K,C

One of following is argillaceous material

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Marble

Clay

Lime

Marine Shell

Micronutrients for plant are those which

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Are required in very large amount

Are required in very small amount

Are produced from plants in very small amount

Retard the growth of plants

Which elements are needed for healthy growth of plants

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N,S,P

N,Ca,P

N,P,K

N,K,C

Woody raw material for paper pulp is obtained from

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Cotton

Bagasse

Poplar

Rice straw

Micro-nutrient is required in quantity for plant growth ranging from

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4-40 gm

6-200 gm

6-200 kg

4-40 kg

Which one of the following is calcareous material

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Marine shells

clay

Shale

Blast furnace slag

How many zones through which the charge passes in a rotary kiln

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4

3

2

5

Which process of pulp making is mostly used in Pakistan.

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Kraft process

Sulphite process

Neutral sulphite semi chemical process

Wet process

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