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.Management Sciences
Category: CHEMICAL ENGINEERING
An abrupt and sudden fall in the reading of barometer is an indication of the____________________?
0
A. Storm
B. Rain
C. Clear weather
D. Cold wave
Plate efficiency_______________________?
A. Is a function of the mass transfer between liquid and vapour
B. Increases due to foaming
C. Increases due to liquid entrainment
D. Increases due to weeping and dumping of liquid
Screw conveyors are________________?
A. Run at very high rpm
B. Suitable for sticky materials
C. Suitable for highly abrasive materials
D. All A., B. and C.
____________________ process is used for producing soda ash?
A. Chamber
B. Chance
C. Tromp
D. Solvay
Helium-mercury method is used for the measurement of the ________________ of the catalyst?
A. Surface area
B. Porosity
C. Pore volume
D. Both B. & C.
Steam is preferred to be used as a heating medium in heat exchangers, because of its_________________?
A. Low cost
B. High latent heat
C. Non-corrosive condensate
D. High film co-efficient
Applicability of Bernoulli’s equation is limited to a/an _____________ fluid, that does not exchange shaft work with the surroundings?
A. Incompressible
B. Non-viscous
C. Both A. and B.
D. Neither A. nor B.
______________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant ?
A. Calcium
B. Fluorine
C. Phosphorous
D. Sulphur
World’s worst radioactive pollution was caused by nuclear reactor disaster which occured in ___________________?
A. Arizona (U.S.A.)
B. Chernobyl (undivided U.S.S.R.)
C. Pennsylvania (U.S.A.)
D. Moscow (U.S.S.R.)
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