Question # 1

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

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Rose

Sun flower

Papyrus

Water Hyacinth

Which one of the following is calcareous material

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Marine shells

clay

Shale

Blast furnace slag

Potassium fertilizers are especially useful for

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Tobacco

Coffee

Potato

All of these

Ammonium Nitrate fertilizer is not useful for

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Wheat

Cotton

Sugan cane

Paddyrice

Phosphorous helps the growth of

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root

leave

stem

seed

The percentage of clay and liem stone in cement is in the ratio of.

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1 : 1

1 :2

1:3

3:1

Which one is not an argillaceous material.

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Clay

Shale

State

Gypsum

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

Phosphorus helps the growth of

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Root

Leaf

Steam

Seed

Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes.

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Soft

Brittle

Acidic

Colourless

Ammonium nitrate fertilizers is not used for which crop

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Cotton

Wheat

Sugar cane

Paddy rice

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

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

What is clinker

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Roasted calcareous material

Roasted argillaceous material

Roasted calcareous and argillaceous material

Roasted gyposum

Which one of the following set of raw material is most suitable for manufacture of urea.

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CH4, N2 and CO2

H2, N2 and CO

H2,CO2 and H2O

H2O, N2 and H2

Which is not a calcarious material

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Clay

Limestone

Marble

Chalk

One of following is argillaceous material

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Marble

Clay

Lime

Marine Shell

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