Heat Transfer For an ideal black body Emissivity = 0 Transmissivity = 1 Absorptivity = 1 Reflectivity = 1 Emissivity = 0 Transmissivity = 1 Absorptivity = 1 Reflectivity = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ chart is known as transient heat conduction chart. Cox Heisler's Dirhing's Mollier's Cox Heisler's Dirhing's Mollier's ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Unsteady state heat conduction occurs, when Heat flows in one direction only Temperature distribution is independent of time Temperature distribution is dependent on time Three dimensional heat flow is concerned Heat flows in one direction only Temperature distribution is independent of time Temperature distribution is dependent on time Three dimensional heat flow is concerned ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70° C to 65° C in __________ minutes. Either B or C, depends on the mass of the body >10 10 Either B or C, depends on the mass of the body >10 10 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Coated Oily Glazed Smooth Coated Oily Glazed Smooth 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