Heat Transfer Dropwise condensation of steam on cooling surface is promoted None of these When both the steam and the tube are clean Only in presence of air An oily surface None of these When both the steam and the tube are clean Only in presence of air An oily surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which type of heat exchanger is preferred for heavy heat loads ? Series and parallel set of shell and tube None of the listed here Plate fine Double pipe Series and parallel set of shell and tube None of the listed here Plate fine Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat flux thermal diffusivity thermal conductivity heat transfer co-efficient heat flux thermal diffusivity thermal conductivity heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always ∞ < 1 > 1 1 ∞ < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electro-magnetic spectrum range, which is important for radiation varies from __________ microns. 100 to 1000 0.5 to 50 1 to 100 10 to 100 100 to 1000 0.5 to 50 1 to 100 10 to 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation is generally recommended, when the Evaporation on small scale is to be done Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Fuel is cheaply available Evaporation on small scale is to be done Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
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