Heat Transfer Which of the following has maximum thermal conductivity? Coal Iron Tar Nitrogen Coal Iron Tar Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer What is the steam economy in case of a single effect evaporator system? >1 1 0.1 < 1 >1 1 0.1 < 1 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 Equal for all the three Cylinder Cube Sphere Equal for all the three Cylinder Cube Sphere ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Remove non-condensable gases Facilitate easy cleaning of tubes None of these Purge the condenser Remove non-condensable gases Facilitate easy cleaning of tubes None of these Purge the condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Less heating surface More space None of these Lower maintenance cost Less heating surface More space None of these Lower maintenance cost ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Fuel is cheaply available Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated Evaporation on small scale is to be done Fuel is cheaply available Large scale evaporation of liquor is needed Corrosive liquids are to be concentrated ANSWER DOWNLOAD EXAMIANS APP
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