Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space High specific heat None of these Dense structure High proportion of air space High specific heat None of these Dense structure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A perfect black body is a perfect __________ of radiation Both emitter & absorber absorber emitter none of the listed here Both emitter & absorber absorber emitter none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Arrest the entrained liquid Regulate the vapor flow Vent the non-condensible gases Create vacuum Arrest the entrained liquid Regulate the vapor flow Vent the non-condensible gases Create vacuum ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Grashoff Stanton Nusselt Prandtl Grashoff Stanton Nusselt Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is correct ? Driving force = Rate x Resistance Rate = Driving force x Resistance Rate = Resistance/Driving force Resistance = Driving force x Rate Driving force = Rate x Resistance Rate = Driving force x Resistance Rate = Resistance/Driving force Resistance = Driving force x Rate ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the Capacity of the evaporator is increased Capacity of the evaporator is decreased True temperature drop increases Both B and C Capacity of the evaporator is increased Capacity of the evaporator is decreased True temperature drop increases Both B and C ANSWER DOWNLOAD EXAMIANS APP