A. Classification
B. Sedimentation
C. Clarification
D. Leaching
Related Mcqs:
- Dorr thickener is an equipment used for______________________?
A. Classification
B. Sedimentation
C. Clarification
D. Leaching - In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL) as ___________________ ?
A. KG = 1/KG + m/KL
B. 1/KG = 1/KG + m/KL
C. 1/KG = 1/KL + m/KG
D. KG = 1/KL + m/KG - The equipment used in the extraction of highly corrosive radioactive liquids is_______________________?
A. Pulse column
B. Spray column
C. Mixer settler
D. Baffle tower - 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 - Ponchon-Savarit method analyses the fractional equipment based on___________________?
A. Enthalpy balance only
B. Material balance only
C. Both enthalpy and material balances
D. The assumption of constant molal-overflow - The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is_________________?
A. Natural draft cooling tower
B. Induced draft cooling tower
C. Spray chamber
D. None of these - For absorbing a sparingly soluble gas in a liquid, the_____________________?
A. Gas side co-efficient should be increased
B. Liquid side coefficient should be increased
C. Gas side co-efficient should be decreased
D. Liquid side co-efficient should be decreased - The boiling points of pure components of a binary system ________________ with increase in total pressure of the system ?
A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease, depends on the system - Which of the following can be calculated theoretically using steam table and Dalton’s law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?
A. Dew point
B. Humidity ratio
C. Wet bulb temperature
D. None of these - In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is_________________?
A. Equal to the heat of formation of surface compound
B. Equal to the heat of wetting
C. Zero
D. Called integral heat of adsorption