Chemical Engineering - Fuels and Combustion

46. 

Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about

A. 8800 kcal/m3
B. 8800 kcal/kg
C. same as that of coal middling
D. 25000 kcal/kg

Answer: Option B

Explanation:

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47. 

Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.)

A. GCV at constant pressure.
B. GCV at constant volume.
C. NCV at constant pressure.
D. NCV at constant volume.

Answer: Option B

Explanation:

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48. 

Which of the following oil gasification processes is non-catalytic ?

A. Semet-Solvay process
B. Segas process
C. Onia-Gegi process
D. Steam reforming of naphtha

Answer: Option A

Explanation:

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49. 

Dust content in raw blast furnace gas is about __________ gm/Nm3 , hence it is cleaned to the dust level of about < 10 mg /Nm3 before use.

A. 15-30
B. 1-2
C. 70-100
D. 150-200

Answer: Option A

Explanation:

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50. 

Kopper-Totzek coal gasifier

A. can give ammonia synthesis gas (H2 + N2).
B. is a moving bed reactor.
C. cannot use coking coal.
D. operate at very high pressure.

Answer: Option A

Explanation:

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