Heat Transfer The actual temperature drop across the heating surface in an evaporator depends on the Pressure difference between steam chest and vapour space Depth of liquid over heating surface Feed All of these Pressure difference between steam chest and vapour space Depth of liquid over heating surface Feed All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 'Fouling factor' used in the design of a multipass shell and tube heat exchanger is a Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Factor of safety Non-dimensional factor Conversion factor for individual film heat transfer co-efficient to overall heat transfer co-efficient None of these Factor of safety Non-dimensional factor ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 81.25 43.75 35.5 48.25 81.25 43.75 35.5 48.25 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Water Air Black Silver Water Air Black Silver ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that (where, St = Stanton number f = friction factor) St = f1/2 St = 4f St = f/2 St = f/4 St = f1/2 St = 4f St = f/2 St = f/4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. No effect on Increased Decreased None of these No effect on Increased Decreased None of these ANSWER DOWNLOAD EXAMIANS APP