Heat Transfer A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both will absorb equal amount of radiation from the surrounding in the beginning Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant Both will absorb equal amount of radiation from the surrounding in the beginning Both B & C Both the spheres will emit equal amount of radiation per unit time in the beginning ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is 1 > 2 1.5 0.5 1 > 2 1.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to Stop the supply of steam Condense the steam flowing in the pipeline None of these Remove water resulting from partial condensation of steam Stop the supply of steam Condense the steam flowing in the pipeline None of these Remove water resulting from partial condensation of steam ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is used for chilling oil to be dewaxed. Double pipe U-tube Fixed tube Floating head Double pipe U-tube Fixed tube Floating head ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 1000-1500 100-500 18537 5000-15000 1000-1500 100-500 18537 5000-15000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When vaporisation takes place directly at the heating surface, it is called nucleate boiling vapour binding film boiling all of the listed here nucleate boiling vapour binding film boiling all of the listed here ANSWER DOWNLOAD EXAMIANS APP