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Heat Engines MCQs | Page - 37

Dear candidates you will find MCQ questions of Heat Engines 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.

M

Mr. Dubey • 51.43K Points
Coach

Q. 361) The boilers using lignite as fuel do not use

(A) Horizontal burner, pulverized fuel
(B) 40 to 55
(C) 20 to 25
(D) 15 to 20
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Mr. Dubey • 51.43K Points
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Q. 362) Cetane number of diesel generally used in India is in the range

(A) 55 to 65
(B) In the range 50 - 80 percent
(C) Below 50 percent
(D) Between 100% and 95%
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Mr. Dubey • 51.43K Points
Coach

Q. 363) Scavenging efficiency of a four stroke diesel engine is

(A) In the range 80 to 95 percent
(B) Scrapper ring
(C) Compression ring
(D) Groove ring
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Mr. Dubey • 51.43K Points
Coach

Q. 364) The bottom ring on the piston is known as

(A) Oil ring
(B) Created at the end of suction stroke
(C) Created during combustion
(D) Created towards the end of compression stroke
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Mr. Dubey • 51.43K Points
Coach

Q. 365) In a compression ignition engine squish is

(A) Created at the beginning of suction stroke
(B) Steam locomotives
(C) Carbon dioxide
(D) Diesel locomotives
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Mr. Dubey • 51.43K Points
Coach

Q. 366) Which locomotives has the highest unbalanced forces?

(A) Electric locomotives
(B) Same size
(C) Small
(D) Bigger
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Mr. Dubey • 51.43K Points
Coach

Q. 367) For the same power and same speed, the flywheel of a two stroke engine as compared to that of a four stroke engine will be

(A) There is no correlation
(B) lean mixture
(C) chernically correct mixture
(D) rich fuel mixture
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Mr. Dubey • 51.43K Points
Coach

Q. 368) The maximum amount of dissociation occurs in the burnt gases of a

(A) Carbon dioxide
(B) Either positive or negative
(C) Negative
(D) Depends on the properties of working substance
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Mr. Dubey • 51.43K Points
Coach

Q. 369) In a Carnot cycle the algebraic sum of the entropy changes for the cycle is

(A) Zero
(B) Unburnt oil
(C) Carbon dioxide
(D) Carbon monoxide
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Mr. Dubey • 51.43K Points
Coach

Q. 370) Blue smoke from a diesel engine indicates the presence of

(A) Unburnt carbon
(B) For supercharging reciprocating engine
(C) In jet propulsion units
(D) In rockets for producing air fuel mixture
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