Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 0.25 2.5 1.25 0.0025 0.25 2.5 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) P vs . log T Log P vs . T T vs . P Log P vs. log T P vs . log T Log P vs . T T vs . P Log P vs. log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Rotating disc contactor Rotary dryer Mechanical draft cooling tower Multiple effect evaporator Rotating disc contactor Rotary dryer Mechanical draft cooling tower Multiple effect evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction, Linearly Exponentially Inversely None of these Linearly Exponentially Inversely None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity None of these Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity Thermal diffusivity to mass diffusivity None of these Momentum diffusivity to thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is All of these Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' All of these Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' ANSWER DOWNLOAD EXAMIANS APP
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