FERTILISER TECHNOLOGY QUIZ

P₂O₅ content in triple superphosphate is about __________ percent.

85-90

42-50

70-75

15-20

TRUE ANSWER : ?
YOUR ANSWER : ?

Plant tranquillisers

Accelerate ripening of food and grain

Cause early maturation of plants

Hold back stem growth and halt plants at a desired height

Produce seedless fruit

TRUE ANSWER : ?
YOUR ANSWER : ?

H₃PO₄ is the chemical formula of __________ phosphoric acid.

None of these

Pyro

Meta

Ortho

TRUE ANSWER : ?
YOUR ANSWER : ?

Electric process as compared to wet process (for the manufacture of phosphoric acid)

Can use only high grade phosphate rock

Is weak acid process

Is used less frequently

Produces a valuable by-product called gypsum

TRUE ANSWER : ?
YOUR ANSWER : ?

Heating a mixture of phosphate rock, coke and sand in an electric furnace produces

Phosphoric acid

Phosphorous

Ammonium phosphate

Superphosphate

TRUE ANSWER : ?
YOUR ANSWER : ?

The optimum size of the ammonia plant is __________ tons/day.

1000

100

10

1000C

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertiliser plants get their N₂ requirements

From producer gas

From coal gas (coke oven gas)

By fractionation of liquified air

By dissociating oxides of nitrogen

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the most suitable fertiliser for paddy?

Ammonium nitrate

Superphosphate

Ammonium sulphate

CAN

TRUE ANSWER : ?
YOUR ANSWER : ?

Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

Rourkela (under SAIL)

Nangal (under NFL)

Barauni (under HFC)

Talchar (under FCI)

TRUE ANSWER : ?
YOUR ANSWER : ?

Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha?

3.5:1

1.5:1

0.41736111111111

0.62569444444444

TRUE ANSWER : ?
YOUR ANSWER : ?

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