Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l012 3 x l08 3 x l010 3 x l05 3 x l012 3 x l08 3 x l010 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? liquid metal mercury None of the listed here dowtherm liquid metal mercury None of the listed here dowtherm ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film condensation is promoted on a/an __________ surface. clean & smooth dirty coated oily clean & smooth dirty coated oily ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A tank painted with which of the following coloured paints, would heat up maximum by radiation from sun? Grey paint Black paint Yellow paint White paint Grey paint Black paint Yellow paint White paint ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, square pitch compared to triangular pitch None of these Can pack more surface area into a shell of given diameter Gives a lower shell side pressure drop Gives a higher shell side pressure drop None of these Can pack more surface area into a shell of given diameter Gives a lower shell side pressure drop Gives a higher shell side pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vent pipes are provided in a condenser to Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases Purge the condenser None of these Facilitate easy cleaning of tubes Remove non-condensable gases ANSWER DOWNLOAD EXAMIANS APP
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