Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.

Lurgi gasifier (high pressure gasifier) as compared to Kopper Totzek gasifier (atmospheric pressure gasifier) produces

A

Higher amount of methane

B

Lower amount of hydrogen

C

Both A & B

D

Higher amount of both methane and hydrogen

Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

A

N₂

B

KNO₃

C

NO₂

D

NHO₃

A coal gasifier opearating at 20 atm. (e.g. Lugri gasifier) as compared to one operating at atmospheric pressure (e.g. Kopper-Totzek or Winkler gasifier) will produce a gas having

A

Higher methane content and thus higher calorific value

B

Higher carbon monoxide content

C

Lower carbon dioxide content

D

None of these

A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

A

Coke oven

B

Producer

C

Natural

D

Coal

In SI engines, to obtain required firing order
1. Battery is installed
2. Distributer is installed
3. Carburettor is installed
4. Ignition coil is installed
Which of the above statements is/are correct?

A

1 only

B

2 only

C

1 and 3 only

D

1, 3 and 4 only

Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogeneous fertiliser?

A

Coal gasification

B

Steam reforming of naphtha

C

Alectrolysis of water

D

Coke oven gas

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?

A

1.5:1

B

3.5:1

C

10:1

D

15:1

Hydrogen gas is not produced commercially (for nitrogeneous fertiliser manufacture) by

A

Iron-steam reaction

B

Electrolysis of water

C

Steam reforming of naphtha

D

Its cryogenic separation from coke oven gas

Urea (a nitrogeneous fertiliser) is produced from carbon dioxide and

A

Nitric acid

B

Ammonia

C

Ammonium nitrate

D

Nitric oxide

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

A

Nitrogenous

B

Phosphatic

C

Potassic

D

None of these

Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier.

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