Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Heating volume Nusselt number None of these Heat transfer area Heating volume Nusselt number None of these Heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of most liquids Remains same Decreases Increases First increases upto a certain temperature and then becomes constant Remains same Decreases Increases First increases upto a certain temperature and then becomes constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Provide very large heat transfer co-efficient Results in abruptly increased velocity Results in making part of the heating surface inactive None of these Provide very large heat transfer co-efficient Results in abruptly increased velocity Results in making part of the heating surface inactive None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be 0.35 0.85 0.55 0.45 0.35 0.85 0.55 0.45 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Choose the correct equation. Nu = (Pr)(St) Nu = (Re)(Pr) Nu = (Re) (Pr) (Gz) Nu = (Re) (Pr) (St) Nu = (Pr)(St) Nu = (Re)(Pr) Nu = (Re) (Pr) (Gz) Nu = (Re) (Pr) (St) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of a multiple effect evaporator depends upon the Heat balance consideration Both A and B Rate of heat transfer Neither A nor B Heat balance consideration Both A and B Rate of heat transfer Neither A nor B ANSWER DOWNLOAD EXAMIANS APP