A.Carbon impregnated with resin (usually Bakelite)
B.An acid resistant material
C.Both B. and C.
D.A mixture of iron dust and saw dust
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 4 of 557.
Chemical Engineering MCQs
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A.1480
B.768
C.1127
D.1359
Explanation: The correct answer is 1127.
Submitted by: Academy of Pakistan
A.Undesirable in petrol, as they reduce its octane number
B.All A., B. and C.
C.Added in LPG cylinders to detect gas leakage by its smell
D.Low boiling sulphur compounds
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.400 – 700
B.60 – 100
C.1200 -1500
D.2000 – 2300
Explanation: The correct answer is 400 – 700.
Submitted by: Academy of Pakistan
A.S2
B.S
C.1/S
Explanation: The correct answer is S.
Submitted by: Academy of Pakistan
A.Slow & low
B.Fast & high
C.Slow & high
D.Fast & slow
Explanation: The correct answer is Fast & high.
Submitted by: Academy of Pakistan
A.Arsenic
B.Carbonates
C.Bi-carbonates
D.Iron & manganese
Explanation: The correct answer is Iron & manganese.
Submitted by: Academy of Pakistan
A.Flint
B.Pyrex
C.None of these
D.Crookes
Explanation: The correct answer is Flint.
Submitted by: Academy of Pakistan
A.Low carbon steel
B.High-carbon steel
C.Mild steel
D.Wrought iron
Explanation: The correct answer is High-carbon steel.
Submitted by: Academy of Pakistan
A.Zinc, copper and nickel
B.Nickel, cobalt and vanadium
C.Zinc, aluminium and nickel
D.Cobalt, chromium and tungsten
Explanation: The correct answer is Cobalt, chromium and tungsten.
Submitted by: Academy of Pakistan
A.Entrainment considerations
B.Vapour density
C.None of these
D.Diameter of the column
Explanation: The correct answer is Entrainment considerations.
Submitted by: Academy of Pakistan
A.10 to 20
B.55 to 65
C.70 to 80
D.35 to 45
Explanation: The correct answer is 35 to 45.
Submitted by: Academy of Pakistan
The escape velocity of a body on earth which is independent of its mass is about ________ km/second?
0A.15
B.3
C.7
D.11
Explanation: The correct answer is 11.
Submitted by: Academy of Pakistan
A.Do not increase in plasticity with rise in temperature
B.Allow slip to occur between molecules
C.None of these
D.Do not take on a permanent set
Explanation: The correct answer is Do not increase in plasticity with rise in temperature.
Submitted by: Academy of Pakistan
A.V2
B.V
C.V0.5
D.V4
Explanation: The correct answer is V.
Submitted by: Academy of Pakistan