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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Calorific value of both the solid & liquid fuels can be determined by using ______________ calorimeter?
A Junker’s
B Bomb
C Boy’s
D None of these
Correct Answer: Bomb
The most matured coal out of the following is__________________?
A Lignite
B Semi-anthracite
C Sub-bituminous
D Bituminous
Correct Answer: Semi-anthracite
(64-132) rank coal (ASTM) means a coal with 64%___________________?
A Fixed carbon and having a heat value of 13, 200 BTU/1b
B Ash and a heating value of 13, 200 BTU/1b
C Fixed carbon and a heating value of 132 BTU/1b
D None of these
Correct Answer: Fixed carbon and having a heat value of 13, 200 BTU/1b
Ignition temperature decreases progressively from anthracite to lignite, because___________________?
A Volatile matter content increases
B Carbon content decreases
C Moisture content increases
D Ash content increases
Correct Answer: Volatile matter content increases
For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3), while the C.V. is same on weight basis (i.e., kcal/kg) ?
A Propane and acetylene
B Propane and LPG
C Sewage gas and gobar gas
D B.F. gas and coke oven gas
Correct Answer: Propane and acetylene
A good metallurgical coke should have very low__________________?
A Sulphur & phosphorous content
B Porosity
C Fusion point of its ash
D Hardness & strength
Correct Answer: Sulphur & phosphorous content
Washing of coal________________?
A Reduces its sulphur and ash content
B Controls its ash fusibility and increases its calorific value
C Improves its coking properties
D All A., B. and C.
Correct Answer: All A., B. and C.
Insitu theory and drift theory are related to the____________________?
A Origin of petroleum oil
B Origin of coal
C Coalification
D Variation of coal quality with depth
Correct Answer: Origin of coal
Degree of carbonisation of coal during coke making can be roughly judged by the ______________ of the coke produced?
A Colour
B Moisture content
C Ash content
D Volatile matter
Correct Answer: Volatile matter
Fuel combustion is never cent per cent efficient due to___________________?
A Incomplete combustion
B Dry gas/stack gas loss
C Moisture loss
D All A., B. and C.
Correct Answer: All A., B. and C.
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