Search
.Management Sciences
Category: CHEMICAL ENGINEERING
Alumina-graphite bricks are used for lining the ____________________?
0
A. Slide gate in teeming laddies
B. Continuous casting systems
C. Both A. and B.
D. Neither A. nor B.
___________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids?
A. Sieve plate
B. Packed
C. Bubble cap plate
D. None of these
Phenol formaldehyde____________________?
A. Employs addition polymerisation
B. Employs condensation polymerisation
C. Is a monomer
D. Is an abrasive material
For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause ______________ plate requirement?
A. No change in theoretical
B. Marginal decrease in the number of
C. Major decrease in the number of
D. None of these
Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor ?
A. Molten sodium cooled
B. CO2 gas cooled
C. Pressurised water
D. Boiling water
Plastics as a material of construction suffer from the drawback of low_________________?
A. Machinability
B. Density
C. Strength
D. Plastic deformation
Biological shield in a nuclear reactor is generally provided to protect against the__________________?
A. α-rays
B. β-rays
C. Gamma rays & neutrons
D. Electrons
Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are ?
A. Cobalt, chromium & tungsten
B. Cobalt, chromium & nickel
C. Molybdenum, tungsten & chromium
D. Cobalt, zirconium & molybdenum
Recent Comments