Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l012 3 x l010 3 x l05 3 x l08 3 x l012 3 x l010 3 x l05 3 x l08 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Mass diffusivity x Momentum diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 45 50 37 32 45 50 37 32 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Increased capacity Both A and B Increased steam economy Decreased steam consumption Increased capacity Both A and B Increased steam economy Decreased steam consumption ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. Long tube vertical None of these Basket type Horizontal Long tube vertical None of these Basket type Horizontal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the 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) Outlent temperature of both the hot and cold fluid are same None of these 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) Outlent temperature of both the hot and cold fluid are same None of these ANSWER DOWNLOAD EXAMIANS APP
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