Heat Transfer It is not preferable to use superheated steam in evaporators, because of its very high pressure low film co-efficient high temperature none of the listed here high pressure low film co-efficient high temperature none of the listed here 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. 30 10 20 1 30 10 20 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, fouling factor is expressed in m²°K/W m²°K m°K/W W/m²°K m²°K/W m²°K m°K/W W/m²°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the True temperature drop increases Capacity of the evaporator is increased Both B and C Capacity of the evaporator is decreased True temperature drop increases Capacity of the evaporator is increased Both B and C Capacity of the evaporator is decreased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD for counterflow and prallel flow heat exchanger will be the same, when the None of these Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid Outlent temperature of both the hot and cold fluid are same Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) None of these Outlet temperature of hot fluid is less than the outlet temperature of the cold fluid Outlent temperature of both the hot and cold fluid are same Cold fluid is heated to a certain temperature by condensing steam (isothermal fluid) ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The film co-efficient is decreased due to the presence of non-condensing gases in the vapors. The film co-efficient of superheated vapor as compared to that of saturated vapor is Either more or less ; depends on the nature of vapor Some More Less Either more or less ; depends on the nature of vapor Some More Less ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS