Heat Transfer Thermal conductivity of a conducting solid material depends upon its porosity None of the listed here temperature both temperature & porosity porosity None of the listed here temperature both temperature & porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Steam Non-condensables Condensate None of these Steam Non-condensables Condensate None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. None of these Resistance Current Voltage None of these Resistance Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Three solid objects of the same material and of equal mass-a sphere, a cylinder (length = diameter) and a cube are at 500°C initially. These are dropped in a quenching bath containing a large volume of cooling oil each attaining the bath temperature eventually. The time required for 90% change in temperature is the smallest for Cube Sphere Cylinder Equal for all the three Cube Sphere Cylinder Equal for all the three ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Duhring rule is important in solving problems on Evaporation Humidification Distillation Crystallisation Evaporation Humidification Distillation Crystallisation ANSWER DOWNLOAD EXAMIANS APP