Gas based fertiliser plants use (A) Natural gas as a source of hydrogen (B) Natural gas as heating medium (C) Coal gas as a source of hydrogen (D) Coal gas as heating medium

Gas based fertiliser plants use
(A) Natural gas as a source of hydrogen
(B) Natural gas as heating medium
(C) Coal gas as a source of hydrogen
(D) Coal gas as heating medium
by

1 Answer

Answer :

(A) Natural gas as a source of hydrogen
by

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Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) (A) Use coal for heating purpose (B) Gasify coal to get hydrogen from coal gas (C) Use coal as filler in fertiliser (D) Use coal as conditioner in fertiliser

Description : Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talcher (Orissa) (A) Use coal for heating purpose (B) Gasify coal to get hydrogen from coal gas (C) Use coal as filler in fertiliser (D) Use coal as conditioner in fertiliser

Last Answer : (B) Gasify coal to get hydrogen from coal gas

Pick out the wrong statement. (A) Percentage of ash in coke produced from medium coking coal is more than that in coal (B) The calorific value (kcal/Nm3 ) of coke oven gas reduces on removal of hydrogen from it by cryogenic method (C) Ash is normally removed as 'fly-ash' in Kopper-Totzek process of coal gasification (D) Coal based fertiliser plants in India at Talcher (Orissa) and Ramagundam (A.P) employ Kopper-Totzek process of coal gasification

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Last Answer : (C) Ash is normally removed as 'fly-ash' in Kopper-Totzek process of coal gasification

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

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Last Answer : (C) Natural

Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogenous fertiliser? (A) Coal gasification (B) Steam reforming of naphtha (C) Electrolysis of water (D) Coke oven gas

Description : Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogenous fertiliser? (A) Coal gasification (B) Steam reforming of naphtha (C) Electrolysis of water (D) Coke oven gas

Last Answer : (C) Electrolysis of water

Which of the following gasifiers can be attached to coal based fertiliser plants? (A) Lurgi (high pressure) gasifier (B) Kopper-Totzek gasifier (C) Gasifier working at 20 atm (D) Gasifier working at 40 atm

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Last Answer : (B) Kopper-Totzek gasifier

Fertiliser plants get their N2 requirements (A) By fractionation of liquefied air (B) By dissociating oxides of nitrogen (C) From coal gas (coke oven gas) (D) From producer gas

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Last Answer : (A) By fractionation of liquefied air

The main industrial source of emission of hydrogen sulphide air pollutant is (A) Petroleum refineries (B) Coal based thermal power plants (C) Pulp and paper plant (D) Metallurgical roasting & smelting plant

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Last Answer : (B) Coal based thermal power plants

Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. (A) Entrained (B) Moving (C) Fixed (D) Fluidised

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Last Answer : (A) Entrained

Steam reforming of naphtha is a source of hydrogen production for nitrogenous 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

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Last Answer : (B) 3.5 : 1

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Last Answer : A) Maharashtra and Gujarat

Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by (A) Adsorption on palladium (B) Cryogenic operations (low temperature cooling) (C) Absorption (using ethanolamine or pyrogallol solution) (D) None of these

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Last Answer : (B) Cryogenic operations (low temperature cooling)

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Last Answer : (A) Iron-steam reaction

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Last Answer : (C) Both (A) and (B)

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