Heat Transfer With increase in temperature, the total emissivity of conductors Remains same Decreases linearly Decreases Increases Remains same Decreases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the 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 Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these 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 Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to None of these Avoid frequent priming Create more suction head Avoid cavitation None of these Avoid frequent priming Create more suction head Avoid cavitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Decrease slowly Increase slowly Increase very rapidly Remain unaffected Decrease slowly Increase slowly Increase very rapidly Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by Εx + εy Εx . εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) Εx + εy Εx . εy 1/εx + 1/εy (εx + εy)/(εx + εy - εx . εy) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For an ideal black body Reflectivity = 1 Absorptivity = 1 Transmissivity = 1 Emissivity = 0 Reflectivity = 1 Absorptivity = 1 Transmissivity = 1 Emissivity = 0 ANSWER DOWNLOAD EXAMIANS APP