Heat Transfer 1 BTU/hr.ft.°F is equal to __________ kcal/hr. m.°C. 1 4.88 None of these 1.49 1 4.88 None of these 1.49 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is generally considered as opaque surface towards radiations? Both solids & liquids Liquids Solids Gases Both solids & liquids Liquids Solids Gases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For specified tube outside diameter, higher BWG means higher tube thickness cross-sectional area none of the listed here weight per unit length tube thickness cross-sectional area none of the listed here weight per unit length ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the lowest overall heat transfer co-efficient? Molten sodium Water Dowtherm Air Molten sodium Water Dowtherm Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If a single tube pass heat exchanger is converted to two pass, then for the same flow rate, the pressure drop per unit length in tube side will Decrease by 22 Increase by 216 Remain unchanged Increase by 1.8 times Decrease by 22 Increase by 216 Remain unchanged Increase by 1.8 times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A composite flat wall of a furnace is made of two materials 'A' and 'B'. The thermal conductivity of 'A' is twice of that of material 'B', while the thickness of layer of 'A' is half that of B. If the temperature at the two sides of the wall are 400 and 1200°K, then the temperature drop (in °K) across the layer of material 'A' is 125 150 133 160 125 150 133 160 ANSWER DOWNLOAD EXAMIANS APP
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