Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 0.0025 2.5 1.25 0.25 0.0025 2.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Separation is most efficient Minimum number of the theoretical plates is required Number of plates is infinity Number of plates is zero Separation is most efficient Minimum number of the theoretical plates is required Number of plates is infinity Number of plates is zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 2.5 to 3.5 1.25 to 2.0 0.5 to 0.8 0.8 to 1.2 2.5 to 3.5 1.25 to 2.0 0.5 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 10 8 9 1 10 8 9 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In triangular co-ordinates, the ternery composition point falls __________ of the triangle. None of these Inside In the corners On the sides None of these Inside In the corners On the sides ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Greater degree of separation with a fixed number of trays Increased reflux ratio Increased reboiler load None of these Greater degree of separation with a fixed number of trays Increased reflux ratio Increased reboiler load None of these ANSWER DOWNLOAD EXAMIANS APP
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