A. Mole fraction
B. Activity
C. Pressure (Correct)
D. Activity co-efficient
Chemical Engineering / Q&A
The point at which all the three (solid, liquid and gas) phases co-exist, is known as the ____________ point?
A. Freezing
B. Triple (Correct)
C. Boiling
D. Boyle
Silicone rubber is not resistant to the corrosive action of____________________?
A. Sulphuric acid (10%)
B. Sulphuric acid (95%)
C. Ether
D. Both B. and C. (Correct)
Requisites of a reversible process is that the ____________________?
A. System and surroundings pressure be equal
B. Friction in the system should be absent (Correct)
C. System and surroundings temperature be equal
D. None of these
The compressibility factor for an ideal gas is 1. Its value for any other real gas is_______________?
A. 1
B. 1
D. Either B. or C, depends on the nature of the gas (Correct)
The characterisation factor of a crude oil is calculated as 12.5. It means that; it is________________?
A. Paraffinic (Correct)
B. Naphthenic
C. Intermediate
D. None of these
Acrylonitrile is mainly used in the _____________ industry?
A. Polymer
B. Printing
C. Dyeing (Correct)
D. Photographic
Commercial fertilisers are available mostly in the form of__________________?
A. Powder
B. Granules (Correct)
C. Lumps
D. Flakes
Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?
A. Diesel
B. Gasoline
C. Atmospheric gas oil (Correct)
D. Vacuum gas oil
For turbine agitator, the impeller diameter is about_________________?
A. 0.3 to 0.5 d (Correct)
B. 0.1 to 0.2 d
C. 0.65 to 0.85 d
D. 0.95 d