Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. None of these 1 1.49 4.88 None of these 1 1.49 4.88 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The sum of reflectivity and absorptivity for an opaque body is equal to 1 2 0.5 1 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing a 'catchall' in the vapor line of an evaporator is to Create vacuum Vent the non-condensible gases Regulate the vapor flow Arrest the entrained liquid Create vacuum Vent the non-condensible gases Regulate the vapor flow Arrest the entrained liquid ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multiple effect evaporator, the effect of boiling point elevation is to all of the listed here increase the economy reduce the capacity reduce the economy all of the listed here increase the economy reduce the capacity reduce the economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m³ and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m².K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is 0.55 0.15 555 55.5 0.55 0.15 555 55.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Absorptivity and refletivity of a perfect black body are respectively 0 and 0.5 1 and ? 1 and 0 0 and 1 0 and 0.5 1 and ? 1 and 0 0 and 1 ANSWER DOWNLOAD EXAMIANS APP
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