Heat Transfer For gases, the thermal conductivity increases with temperature rise. For liquids, with increase in concentration, its thermal conductivity generally Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Monochromatic radiation only Total radiation only Both A and B Only volumes and not to surfaces Monochromatic radiation only Total radiation only Both A and B Only volumes and not to surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used when heat transfer area required is very high because it occupies less floor area because it is less costly when heat transfer area required is very low when heat transfer area required is very high because it occupies less floor area because it is less costly when heat transfer area required is very low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has maximum thermal conductivity? Tar Nitrogen Coal Iron Tar Nitrogen Coal Iron ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to None of these Create more suction head Avoid frequent priming Avoid cavitation None of these Create more suction head Avoid frequent priming Avoid cavitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the view factor. expressed in terms of radians proportional to the square of the distance between surfaces called the angle of vision called the view factor. expressed in terms of radians proportional to the square of the distance between surfaces called the angle of vision ANSWER DOWNLOAD EXAMIANS APP
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