Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 10 to 100 0.5 to 50 1 to 100 100 to 1000 10 to 100 0.5 to 50 1 to 100 100 to 1000 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted In the absence of agitation None of these On polished surfaces On rough surfaces In the absence of agitation None of these On polished surfaces On rough surfaces ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient Is not affected Increases May increase or decrease; depends on the feed Decreases Is not affected Increases May increase or decrease; depends on the feed Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of a solution of NaOH Is almost independent of temperature Is almost independent of pressure Increases rapidly with temperature rise Both B and C Is almost independent of temperature Is almost independent of pressure Increases rapidly with temperature rise Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance Decreases Remains unchanged Increases May increase or decrease; depends on the solid Decreases Remains unchanged Increases May increase or decrease; depends on the solid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When warm and cold liquids are mixed, the heat transfer is mainly by convection radiation conduction none of the listed here convection radiation conduction none of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS