Heat Transfer A black body does not __________ radiation. Absorb or emit Reflect Both B & C Refract Absorb or emit Reflect Both B & C Refract ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 10 2 0.5 100 10 2 0.5 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A process stream of dilute aqueous solution flowing at the rate of10 Kg.s⁻¹ is to be heated. Steam condensate at 95°C is available for heating purpose, also at a rate of 10 Kg.s⁻¹. A 1 - 1 shell and tube heat exchanger is available. The best arrangement is Parallel flow with process stream on tube side Counter flow with process stream on shell side Counter flow with process stream on tube side Parallel flow with process stream on shell side Parallel flow with process stream on tube side Counter flow with process stream on shell side Counter flow with process stream on tube side Parallel flow with process stream on shell side ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the Maximum resistance in the series Average of all resistances Minimum resistance presents in the series Sum of all resistances Maximum resistance in the series Average of all resistances Minimum resistance presents in the series Sum of all resistances ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Dowtherm Molten sodium Air Water Dowtherm Molten sodium Air ANSWER DOWNLOAD EXAMIANS APP
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