Heat Transfer Among liquids, water has a comparatively high value of thermal conductivity, due to its High viscosity Partial ionisation Dense structure Low density High viscosity Partial ionisation Dense structure Low density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of non-metallic amorphous solids remains same None of the listed here increases decreases remains same None of the listed here increases decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a counter current heat exchanger with Tih = 80°C, T°c = 60°C, T°h = 50°C and Tic = 30°C, and the temperature difference between the two streams being the same everywhere along Z, the direction of flow of hot fluid. The temperature profile should satisfy d²T/dZ² = 0 dT/dZ = 0 d²T/dZ² > 0 d²T/dZ² < 0 d²T/dZ² = 0 dT/dZ = 0 d²T/dZ² > 0 d²T/dZ² < 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. Horizontal Basket type Long tube vertical None of these Horizontal Basket type Long tube vertical None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Current None of these Voltage Resistance Current None of these Voltage Resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Painting the surface black Giving the surface a mirror finish Roughening the surface Painting the surface white (with aluminium paint) Painting the surface black Giving the surface a mirror finish Roughening the surface Painting the surface white (with aluminium paint) ANSWER DOWNLOAD EXAMIANS APP
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