Related Questions

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 absorbers, high pressure drop results in
A Increased efficiency
B Decreased efficiency
C High operating cost
D Better gas liquid contact
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.
A Size
B Durability
C Porosity
D Cost
Which of the following is not fixed by the process requirements, in the design of absorbers?
A Flow rate of the entering gas
B Composition of the entering liquid
C Terminal concentrations of gas stream
D None of these
When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used.
A Mixture of two gases
B Pure gas
C Ideal gas
D Sparingly soluble gas
The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is
A Dalton's law
B Gay Lussac's law
C Henry's law
D Raoult's law
The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as
A Evaporation
B Cavitation
C Sublimation
D Stripping
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
A The student of khulna University do not usually take physical exercise.
B No respondent took more than one form of exercise.
C The method of data collection was not valid.
D Some of the respondents took more than one form of exercise.
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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