Heat Transfer In a heat exchanger, one transfer unit means Both A and B The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these Both A and B The size of the exchanger in which heat transfer rate is 1 kcal/hr A section of the exchanger in which change in temperature of one stream equals the average driving force in the section None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure Low density High viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is Linear Parabolic None of these Hyperbolic Linear Parabolic None of these Hyperbolic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? dowtherm liquid metal mercury None of the listed here dowtherm liquid metal mercury None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)2 None of the listed here (ΔT)1/4 ΔT (ΔT)2 None of the listed here (ΔT)1/4 ΔT ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the None of these Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid None of these Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) Outlent temperature of both the hot and cold fluid are same Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid ANSWER DOWNLOAD EXAMIANS APP
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