Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is between 0 and 1 0 >1 1 between 0 and 1 0 >1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Trap is used to remove __________ from steam pipe lines. Non-condensables Condensate Steam None of these Non-condensables Condensate Steam None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Salty Scaling Corrosive Highly viscous Salty Scaling Corrosive Highly viscous ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger with steam outside the tubes, a liquid gets heated to 45°C, when its flow velocity in the tubes is 2 m/s. If the flow velocity is reduced to 1 m/s, other things remaining the same, the temperature of the exit liquid will be Less than 45°C More than 45°C Initially decreases and remains constant thereafter Equal to 45°C Less than 45°C More than 45°C Initially decreases and remains constant thereafter Equal to 45°C ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer (NRe.NPr)(D/L) is called the __________ number Stanton Peclet None of these Graetz Stanton Peclet None of these Graetz ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Glazed Smooth Coated Oily Glazed Smooth Coated Oily ANSWER DOWNLOAD EXAMIANS APP
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