Heat Transfer Baffle spacing Is not the same as baffle pitch Should be less than one fifth the diameter of the shell None of these Should be less than the inside diameter of the shell Is not the same as baffle pitch Should be less than one fifth the diameter of the shell None of these Should be less than the inside diameter of the shell ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour is desirable to increase the film co-efficient None of the listed here increases the rate of condensation decreases thermal resistance is desirable to increase the film co-efficient None of the listed here increases the rate of condensation decreases thermal resistance ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Black Silver Air Water Black Silver Air Water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area Surface area to volume Perimeter to surface area Surface area to perimeter Volume to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is Thin walled having the value of Ao Ai/< 2 Thick walled Having the value of Ao/Ai > 2 Both B and C Thin walled having the value of Ao Ai/< 2 Thick walled Having the value of Ao/Ai > 2 Both B and C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Saturated Local Nucleate Pool Saturated Local Nucleate Pool ANSWER DOWNLOAD EXAMIANS APP