Heat Transfer In case of parallel flow heat exchanger, the lowest temperature theoretically attainable by the hot fluid is __________ the outlet temperature of the cold fluid. More than Less than Either more or less than (depending upon the fluid) Equal to More than Less than Either more or less than (depending upon the fluid) Equal to ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Liquor-film co-efficient Velocity of circulation Neither A and B Both A and B Liquor-film co-efficient Velocity of circulation Neither A and B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Black liquor generated during paper manufacture is concentrated in a single effect evaporator multiple effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporators followed by a crystalliser single effect evaporator multiple effect evaporator single effect evaporator followed by a crystalliser multiple effect evaporators followed by a crystalliser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Increases Is not affected Decreases May increase or decrease; depends on the feed Increases Is not affected Decreases May increase or decrease; depends on the feed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Radiation heat transfer rates does not depend upon the none of the listed here distance between the heat source and the object receiving the heat type of absorbing surface surface area and temperature of the heat source none of the listed here distance between the heat source and the object receiving the heat type of absorbing surface surface area and temperature of the heat source ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A cube, sphere & a thin circular plate (all having same mass and made of same material) are all heated to 300°C and allowed to cool in natural air. Which one will cool the slowest ? Cube All of these Sphere Plate Cube All of these Sphere Plate ANSWER DOWNLOAD EXAMIANS APP