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Fuels And Combustion MCQs | Page - 7

Dear candidates you will find MCQ questions of Fuels And Combustion here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

R

Ram Sharma • 178.09K Points
Coach

Q. 61) During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the

(A) Incomplete combustion
(B) Complete combustion
(C) High oxygen in flue gas
(D) None of these
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R

Ram Sharma • 178.09K Points
Coach

Q. 62) Which of the following is a primary fuel?

(A) Blast furnace coke
(B) Gasoline
(C) Natural gas
(D) Wood charcoal
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R

Ram Sharma • 178.09K Points
Coach

Q. 63) Which of the following is not endothermic?

(A) Cracking
(B) Reforming
(C) Gasification
(D) Partial oxidation
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R

Ram Sharma • 178.09K Points
Coach

Q. 64) 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
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R

Ram Sharma • 178.09K Points
Coach

Q. 65) Caking index of a coal is a measure of its

(A) Porosity
(B) Agglutinating (binding) properties
(C) Reactivity
(D) Abradability
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R

Ram Sharma • 178.09K Points
Coach

Q. 66) Micum Index of a coke is a measure of its

(A) Reactivity
(B) Porosity
(C) Bulk density
(D) Hardness & strength
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R

Ram Sharma • 178.09K Points
Coach

Q. 67) Weathering of coal during storage causes

(A) Reduction in coal size
(B) Decrease in its caking capacity
(C) Increase in its friability
(D) All of the above
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Ram Sharma • 178.09K Points
Coach

Q. 68) Low temperature oxidation of coal is accelerated by the

(A) Storage in large heaps
(B) Storage in compressed piles
(C) Absence of porous or friable particles
(D) All of the above
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R

Ram Sharma • 178.09K Points
Coach

Q. 69) Washing of coal is done to reduce the

(A) Inherent impurities
(B) Adhering impurities
(C) Mineral matter
(D) Both B and C
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R

Ram Sharma • 178.09K Points
Coach

Q. 70) Low temperature oxidation of stored coal results in the

(A) Decrease in its caking power & calorific value
(B) Decrease in its carbon & hydrogen content
(C) Increase in its oxygen content
(D) All of the above
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