A. Heat conservation
B. Yield enhancement
C. Product enrichment
D. None of these
Related Mcqs:
- Recycling in a chemical process facilitates___________________?
A. Increased yield
B. Enrichment of product
C. Heat conservation
D. All A., B. & C. - ‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the_____________?
A. Temperature vs. log (vapor pressure)
B. Vapor pressure vs. log (temperature)
C. Log (temperature) vs. log (vapor pressure)D. Vapor pressure vs. temperature
- 1 kg/m2 is equal to ______________ mm water column?
A. 1
B. 10
C. 100
D. 1000 - 1 torr is equal to ______________ mm Hg column?
A. 1
B. 0.1
C. 10
D. 1000 - Concentration of a solution expressed in terms of _______________ is independent of temperature?
A. Molarity
B. Normality
C. Molality
D. None of these - In physical adsorption, as compared to chemisorption, the________________________?
A. Quantity adsorbed per unit mass is higher
B. Rate of adsorption is controlled by the resistance to surface reaction
C. Activation energy is very high
D. Heat of adsorption is very large - Maximum alumina content in high alumina refractory can be as high as ____________ percent?
A. 30
B. 50
C. 70
D. 90 - One of the specific gravity scales is “Brix” (used specifically for sugar solution). It is defined as ______________?
A. Brix = (400/G) – 400
B. Brix = 200 (G-1)
C. Brix = 145 – (145/G)
D. None of these - The crystallisation of a solute from a solution may be done by________________?
A. Removal of pure solvent by evaporation
B. Change of temperature thereby causing super-saturation
C. Changing the nature of the system by the addition of a more soluble material
D. All A., B. & C. - A bypass stream in a chemical process is useful, because it___________________?
A. Facilitates better control of the process
B. Improves the conversion
C. Increases the yield of products
D. None of these
