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.Management Sciences
Category: CHEMICAL ENGINEERING
Solvent used in duo-sol extraction for lube oil upgradation is a mixture of______________?
0
A. Propane & phenol-cresol mixture
B. Methyl ethyl ketone & glycol
C. Phenol & furfural
D. Propane & liquid sulphur dioxide
Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of________________?
A. Fireclay
B. Silicon carbide
C. Corundum
D. Siliceous fireclay
Energy produced in the nuclear fission is of the order of _____________ MeV?
A. 20
B. 200
C. 1000
D. 2000
Which of the following has the lowest viscosity (at a given temperature) of all ?
A. Naphtha
B. Kerosene
C. Diesel
D. Lube oil
Each term of the Bernoulli’s equation written in the form, (p/ρ) + (g/gc). Z + (v2/2gc) = constant, represents the total energy per unit ________________?
A. Mass
B. Volume
C. Specific weight
D. None of these
Combustion of pulverised coal as compared to that of lump coal ________________?
A. Develops a non-luminous flame
B. Develops a low temperature flame
C. Can be done with less excess air
D. Provides a lower rate of heat release
For a given fluid, as the pipe diameter increases, the pumping cost ____________________?
A. Decreases
B. Increases
C. Remain unaffected
D. May increase or decrease depending upon whether the fluid is Newtonian or non-Newtonian
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