Heat Transfer Questions

Q.  If the temperature of a solid surface changes form 27°C to 627°C, then its emissive power changes in the ratio of___________________?

a. 3
b. 6
c. 9
d. 27
e. 81


ANSWER: See Answer
 
No explanation is available for this question!
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MCQs:  In a single casing, multistage pump running at constant speed, the capacity rating is to be slightly lowered. It can be done by_______________?
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MCQs:  The optimum value of vane exit angle for a centrifugal pump impeller is_________________?
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MCQs:  In centrifugal pumps, maximum efficiency is obtained when the blades are_________________?
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MCQs:  In a centrifugal pump, the liquid enters the pump__________________?
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MCQs:  Low specific speed of a pump implies it is____________________?
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MCQs:  For small discharge at high pressure, following pump is preferred_____________________?
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MCQs:  The horse power required in above case will be___________________?
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MCQs:  Motion of a liquid in a volute casing of a centrifugal pump is an example of____________________?
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MCQs:  Medium specific speed of a pump implies it is_________________?
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MCQs:  Indicator diagram of a reciprocating pump is a graph between________________?
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MCQs:  Any change in load is adjusted by adjusting following parameter on turbine______________?
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