Heat Transfer Multiple effect evaporation is generally recommended, when the Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Evaporation on small scale is to be done Fuel is cheaply available Corrosive liquids are to be concentrated Large scale evaporation of liquor is needed Evaporation on small scale is to be done Fuel is cheaply available ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Maximum water velocity in tubes of a 1-2 shell and tube heat exchanger may be around __________ metres/second. 10 1 20 30 10 1 20 30 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Excessive corrosion Decrease in heat exchanger efficiency Uneconomic LMTD Its evaporation loss Excessive corrosion Decrease in heat exchanger efficiency Uneconomic LMTD Its evaporation loss ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. Single pass, fixed tube sheet Three pass, fixed tube sheet None of these U-tube Single pass, fixed tube sheet Three pass, fixed tube sheet None of these U-tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in No effect on economy Increased economy Lower capacity Decreased economy No effect on economy Increased economy Lower capacity Decreased economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reynold's analogy states that NNu α f Nst α NRe NRe α f Nst α f NNu α f Nst α NRe NRe α f Nst α f ANSWER DOWNLOAD EXAMIANS APP
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