Heat Transfer Which of the following has the minimum absorptivity? Refractory bricks Coal dust Aluminium foil Iron plates Refractory bricks Coal dust Aluminium foil Iron plates ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Removal of __________ heat is involved in the condensation of a vapor under saturated conditions. Both B & C Latent Sensible Super Both B & C Latent Sensible Super ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the absorptivity of a black body? 0.78 0.95 1 0.78 0.95 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of backward feed multiple effect evaporators over forward feed units is that Equal heat transfer co-efficients exist in various effects Most concentrated liquid is at highest temperature Heat sensitive material can be handled There is no additional cost of pumping Equal heat transfer co-efficients exist in various effects Most concentrated liquid is at highest temperature Heat sensitive material can be handled There is no additional cost of pumping ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Finned tube heat exchangers are used for smaller heat load use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall give larger area per tube are used for smaller heat load use metal fins of low thermal conductivity facilitate very large temperature drop through tube wall give larger area per tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Rate of heat transfer by vaporisation from pools of water is affected by the Nature of heating surface and distribution of bubbles All of these Surface tension of water Viscosity of water Nature of heating surface and distribution of bubbles All of these Surface tension of water Viscosity of water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS