Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Volume to surface area Surface area to perimeter Surface area to volume Perimeter to surface area Volume to surface area Surface area to perimeter Surface area to volume Perimeter to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. None of these Basket type Horizontal Long tube vertical None of these Basket type Horizontal Long tube vertical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Water Dowtherm Air Molten sodium Water Dowtherm Air Molten sodium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Heat flux at the wall to that across the entire pipe Temperature gradient of the wall to that across the entire pipe Temperature difference to the temperature gradient at the wall None of these Heat flux at the wall to that across the entire pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l08 3 x l05 3 x l012 3 x l010 3 x l08 3 x l05 3 x l012 3 x l010 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam economy in case of a triple effect evaporator will be > 1 Between 0 and 1 < 1 1 > 1 Between 0 and 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
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