Heat Transfer With increase in temperature, the total emissivity of conductors Decreases linearly Increases Remains same Decreases Decreases linearly Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For small temperature difference, the heat transfer rate as per Newton's law of cooling is proportional to (where, Δt = excess temperature) Δt Δt³ √Δt Δt² Δt Δt³ √Δt Δt² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is >1 1 Zero <1 >1 1 Zero <1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Mechanical recompression evaporation is used in the production of Alcohol Fruits jam Salt Distilled water Alcohol Fruits jam Salt Distilled water ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of velocity head to tube side return loss in case of a multipass shell and tube heat exchanger is 4 43832 43834 2 4 43832 43834 2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The interchange factor for radiation heat transfer from surface 'x' to surface 'y' in case of an infinite parallel planes with emis-sivities εx & εy is given by 1/εx + 1/εy Εx + εy Εx . εy (εx + εy)/(εx + εy - εx . εy) 1/εx + 1/εy Εx + εy Εx . εy (εx + εy)/(εx + εy - εx . εy) ANSWER DOWNLOAD EXAMIANS APP
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