Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 6.1 1.74 37 1 6.1 1.74 37 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a conducting solid material depends upon its both temperature & porosity None of the listed here temperature porosity both temperature & porosity None of the listed here temperature porosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Boiling point elevation of an ideal solution Increases rapidly with temperature rise Both B and C In independent of pressure Decreases rapidly with temperature rise Increases rapidly with temperature rise Both B and C In independent of pressure Decreases rapidly with temperature rise ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Remains unchanged May increase or decrease; depends on the gas Decreases Increases Remains unchanged May increase or decrease; depends on the gas Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. clean & smooth dirty oily coated clean & smooth dirty oily coated ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam condensate is recovered by steam traps and recycled for use as boiler feed water, because of its low Dissolved soilds content Hardness All of these Suspended solids content Dissolved soilds content Hardness All of these Suspended solids content ANSWER DOWNLOAD EXAMIANS APP
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