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.Management Sciences
Category: CHEMICAL ENGINEERING
If Rm is the minimum reflux ratio, the optimum reflux ratio may be around _________________ Rm ?
0
A. 1.2 to 1.5
B. 2.5 to 3
C. 3 to 4
D. 5
Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature ?
A. Platinum-platinum + rhodium
B. Iron-constantan
C. Chromel-constantan
D. All will give the same output
The average boiling point of aviation turbine fuel is closest to that of__________________?
A. Lubricating oils
B. LPG
C. Diesel
D. Kerosene
Maintenance cost of a ______________ pump for a particular duty is the least?
A. Centrifugal
B. Reciprocating
C. Volute
D. Gear
Cumene is the starting material for the production of________________?
A. Benzoic acid
B. Phenol and acetone
C. Isoprene
D. Styrene
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