Mechanical Engineering MCQs

2075 MCQs  (Page 31 of 208)

Attempt Mechanical Engineering Mcqs Quiz
Breeder reactors employ liquid metal coolant because it_______________?
A. Acts as good moderator
B. Produces maximum steam
C. Transfers heat from core at a fast rate
D. Breeds neutrons
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In triggering fission, which type of neutrons are more effective_________________?
A. Fast
B. Slow
C. In bulk
D. Static
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The size of the reactor is said to be critical when_________________?
A. Chain reaction can be initiated
B. It becomes uncontrollable
C. It explodes
D. It produces no power
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The energy produced by a thermal reactor of same size as a breeder reactor is__________________?
A. Almost same
B. Slightly more
C. Slightly less
D. Much less
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Supertheated steam is generated in following reactor________________?
A. Boiling water
B. Gas cooled
C. Pressurised water
D. All of the above
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In the breeder reactors the generation of new fissionable atom is_________________?
A. At the lower rate than the consumption
B. At a higher rate than the constuption
C. At an equal rate of the consumption
D. Depends on other considerations
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When a reactor becomes critical, then the production of neutrons is_________________?
A. Infinite
B. Zero
C. Exactly balanced by the loss of neutrons through leakage
D. Initiated
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Reactors designed for propulsion applications are designed for_______________?
A. Natural uranium
B. Enriched uranium
C. Pure uranium
D. Any type of uranium
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Solid- fuel for nuclear reactions may be fabricated into various small shapes such as___________________?
A. Plates
B. Pallets
C. Pins
D. Any one of the above
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Which of the following is more appropriate for a moderator. One which_________________?
A. Does not absorb neutrons
B. Absorbs neutrons
C. Accelerates neutrons
D. Eats up neutrons
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Word of the Day
27 Sep
Undesirable
not wanted or desirable because harmful, objectionable, or unpleasant.
غیر مطلوب، ناروا، نامناسب

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