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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

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.
A coal with high _____________ content, would ignite most easily?
A Fixed carbon
B Volatile matter
C Ash
D Oxygen
Correct Answer: Volatile matter
Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm3 gas ?
A Blast furnace gas
B Natural gas
C Producer gas
D Water gas
Correct Answer: Natural gas
High ash containing coke____________________?
A Produces more slag when used in the blast furnace
B Has poor strength and abrasion resistance
C Is desirable in producer gas manufacture
D None of these
Correct Answer: Produces more slag when used in the blast furnace
Low temperature oxidation of coal resulting from bad storage conditions does not decrease its______________________?
A Caking power
B Calorific value
C Hydrogen content
D Oxygen content
Correct Answer: Oxygen content
Bright coal__________________?
A Contains more than 90% durain
B Contains more than 90% fussain
C Contains mainly vitrain & clarain and is generally coking
D Is non-coking
Correct Answer: Contains mainly vitrain & clarain and is generally coking
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