Related Questions

__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.
A Sieve plate
B Packed
C Bubble cap plate
D None of these
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.
A Wetted wall
B Bubble cap
C Perforated tray
D Packed
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.
A Less than
B More than
C Same as
D Very much less
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.
A Gas
B Liquid
C Both A & B
D Neither A nor B
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?
A Grid tray tower
B Perforated tray tower
C Wetted wall tower
D Bubble cap tower
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty?
A Sieve plate column
B Bubble cap column
C Randomly packed column
D Wetted wall column
With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop
A Decreases
B Remains unchanged
C Increases
D Decreases exponentially
For absorbing a sparingly soluble gas in a liquid
A Gas side mass transfer co-efficient should be increased
B Liquid side mass transfer co-efficient should be increased
C Liquid side mass transfer co-efficient should be decreased
D Mass transfer co-efficient must be kept constant
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
A 2M
B $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$
দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2

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