Mechanical Engineering MCQs

2075 MCQs  (Page 25 of 208)

Attempt Mechanical Engineering Mcqs Quiz
Low specific speed of turbine implies it is__________________?
A. Propeller turbine
B. Francis turbine
C. Impulse turbine
D. Any one of the above
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High specific speed of a pump implies it is_____________________?
A. Centrifugal pump
B. Mixed flow pump
C. Axial flow pump
D. Any one of the above
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For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred_________________?
A. Centrifugal
B. Axial flow
C. Reciprocating
D. Mixed flow
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In a centrifugal pump casing, the flow of water leaving the impeller, is___________________?
A. Rectilinear flow
B. Radial flow
C. Free vortex motion
D. Forced vortex
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Atomic number of an element in the periodic table represents the numbers of_________________?
A. Protons in the nucleus
B. Electrons in me nucleus
C. Neutrons in the nucleus
D. Electrons in the atom
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Which is not identical for an atom and an isotope_________________?
A. Mass number
B. Atomic number
C. Chemical properties
D. Position in periodic table
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A nuclear unit becoming critical means_______________?
A. It is generating power to rated capacity
B. It is capable of generating much more than rated capacity
C. There is danger of nuclear spread
D. Chain reaction that causes automatic splitting of the fuel nuclei has been established
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The total energy released in fission of U is__________________?
A. 5 mev
B. 10 mev
C. 199 mev
D. 168 mev
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Boiling water reactor employs__________________?
A. Boiler
B. Direct cycle of coolant system
C. Double circuit system of coolant cycle
D. Multi pass system
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One gram of uranium will produce energy equivalent to approximately____________________?
A. 1 tonne of high grade coal
B. 4.5 tonnes of high grade coal
C. 10 tonnes of high grade coal
D. 100 tonnes of high grade coal
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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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