Heat Transfer Double pipe heat exchangers are preferably useful, when A corrosive liquid is to be heated High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high Requirement of heat transfer area is low A corrosive liquid is to be heated High viscosity liquid is to be cooled Overall heat transfer co-efficient is very high Requirement of heat transfer area is low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space None of these High specific heat Dense structure High proportion of air space None of these High specific heat Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Smooth Oily Glazed Coated Smooth Oily Glazed Coated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Temperature None of these Medium Surface Temperature None of these Medium Surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer area Mechanical strength of the equipment Temperature gradient Heat transfer co-efficient Heat transfer area Mechanical strength of the equipment Temperature gradient Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower steam economy Lower heat transfer area Higher solute concentration in the product Higher steam economy Lower steam economy Lower heat transfer area Higher solute concentration in the product Higher steam economy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS