Heat Transfer Finned tube heat exchangers use metal fins of low thermal conductivity give larger area per tube facilitate very large temperature drop through tube wall are used for smaller heat load use metal fins of low thermal conductivity give larger area per tube facilitate very large temperature drop through tube wall are used for smaller heat load ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mechanical recompression evaporation is used in the production of Alcohol Salt Fruits jam Distilled water Alcohol Salt Fruits jam Distilled water 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? 48.25 81.25 43.75 35.5 48.25 81.25 43.75 35.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Lower maintenance cost Less heating surface More space None of these Lower maintenance cost Less heating surface More space None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Unsteady state heat conduction occurs, when Temperature distribution is dependent on time Heat flows in one direction only Temperature distribution is independent of time Three dimensional heat flow is concerned Temperature distribution is dependent on time Heat flows in one direction only Temperature distribution is independent of time Three dimensional heat flow is concerned ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum heat transfer rate is obtained in __________ flow. Transition region Turbulent Creeping Laminar Transition region Turbulent Creeping Laminar ANSWER DOWNLOAD EXAMIANS APP