Search
.Management Sciences
Category: CHEMICAL ENGINEERING
At absolute zero temperature, for any reaction involving condensed phases ?
A. Δ G° = 0 , Δ H° = 0
B. Δ H° = 0 , Δ S° = 0
C. Δ S° = 0 , Δ E° = 0
D. Δ S° = 0 , Δ Cp° = 0
Which of the following is an adsorbent for removal of nitrogen oxides from gas/air ?
A. Active carbon
B. Silica gel
C. Bog iron (iron oxide)
D. Pulverised limestone
Pick out the wrong statement ?
A. Polystyrene is a thermoplastic polymer
B. Protein is a natural polymer
C. Neoprene is a natural rubber
D. Polythene is a copolymer, while SBR is a homopolymer
Cost of instrumentation in a modern chemical plant ranges from _____________________ percent of the total plant cost?
A. 5 to 10
B. 20 to 30
C. 40 to 50
D. 60 to 70
Pick out the wrong statement?
A. Multigrade lubricating oils have high viscosity index
B. Paraffinic oil has very high viscosity index
C. Naphthenic oil has very low viscosity index
D. High viscosity index means a large change in viscosity with change in temperature
Which of the following flow-metering instruments is an areameter ?
A. Venturimeter
B. Rotameter
C. Pitot tube
D. Hot wire anemometer
Carbon percentage (by weight) in crude petroleum may be about_________________?
A. 65
B. 75
C. 85
D. 95
Leaching of coarse solid lumps is also termed as _____________________?
A. Decoction
B. Dissolution
C. Percolation
D. Agitation and settling
Which of the following is an autocatalytic reaction ?
A. Photochemical reactions
B. Microbial fermentation reaction
C. Enzyme fermentation reaction
D. Ammonia synthesis reaction
Recent Comments