Question # 1

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

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

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500 ^oC

900^oC

1000^oC

1500^oC

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

One of following is argillaceous material

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Marble

Clay

Lime

Marine Shell

Prilling is a process in which

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Concentration of urea is increased

Water is removed from urea

Molten urea is converted to solid drop

Some other ingredients are added to urea

The diameter of rotary kiln in the manufacture of Portland cement is.

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1 to 2 feet

2 to 4 feet

4 to 8 feet

8 to 15 feet

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

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

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75% lime stone and 25% clay

25% lime stone and 75% clay

15% lime stone and 55% clay

55% lime stone and 15% clay

Which is not a calcarious material

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Clay

Limestone

Marble

Chalk

The word paper is derived from the name of which reedy plant

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Rose

Sun flower

Papyrus

Water

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