Heat Transfer Heat exchangers operating, when the asymptotic range is reached, Results in making part of the heating surface inactive Results in abruptly increased velocity None of these Provide very large heat transfer co-efficient Results in making part of the heating surface inactive Results in abruptly increased velocity None of these Provide very large heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water always boils when its Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure equals the external pressure on its surface Saturated vapour pressure is less than the atmospheric pressure Vapour pressure equals 76 cm of Hg Temperature reaches 100° C Saturated vapour pressure equals the external pressure on its surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Pick out the correct equation. JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)2/3(Pr) = f/2 JH = (St)1/3(Pr) = f/2 JH = (St)(Pr)2/3 = f/2 JH = (St)(Pr)1/3 = f/2 JH = (St)2/3(Pr) = f/2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Intermittant tube cleaning is possible to be done in case of a __________ evaporator. None of these Calendria Basket type Horizontal tube None of these Calendria Basket type Horizontal tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiator of an automobile engine is a __________ type of heat exchanger. Co-current Direct contact Cross-current Counter-current Co-current Direct contact Cross-current Counter-current ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is correct ? Rate = Driving force x Resistance Resistance = Driving force x Rate Driving force = Rate x Resistance Rate = Resistance/Driving force Rate = Driving force x Resistance Resistance = Driving force x Rate Driving force = Rate x Resistance Rate = Resistance/Driving force ANSWER DOWNLOAD EXAMIANS APP