A.3
B.0.03
C.10
D.0.3
Explanation: The correct answer is 0.3.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 7 of 557.
Chemical Engineering MCQs
Showing page 7 of 557 · 8,342 total solved questions available.
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A.Foodstuffs
B.None of these
C.Woolen clothes
D.Metallic powder
Explanation: The correct answer is Foodstuffs.
Submitted by: Academy of Pakistan
A.Grashoff
B.Prandtl
C.Stanton
D.Nusselt
Explanation: The correct answer is Prandtl.
Submitted by: Academy of Pakistan
A.Low ignition temperature
B.Low adiabatic flame temperature
C.Very little ash content
D.High fusion point of its ash
Explanation: The correct answer is Low ignition temperature.
Submitted by: Academy of Pakistan
A.Line
B.None of these
C.Volume
D.Point
Explanation: The correct answer is Line.
Submitted by: Academy of Pakistan
A.None of these
B.Any liquid
C.Solids
D.Water
Explanation: The correct answer is Any liquid.
Submitted by: Academy of Pakistan
A.Hold up of a rotary drier is defined as the fraction of the dryer volume occupied by the solid at
B.Rotary dryer is suitable for drying sticky material
C.Recommended peripheral speed of a rotary drier is in the range of 10 to 30 metres/minute
D.Flights (located in the inside shell of rotary dryer) lift the material being dried and shower it
Explanation: The correct answer is Rotary dryer is suitable for drying sticky material.
Submitted by: Academy of Pakistan
A.34 ft ofH2O
B.1 metre of H2O
C.13.6 metres of Hg
D.13.6 cms of Hg
Explanation: The correct answer is 34 ft ofH2O.
Submitted by: Academy of Pakistan
A.Sales demand is fluctuating
B.Both A. & B.
C.Neither A. nor B.
D.Quality & yield cannot be achieved in continuous processes, because of long residence time
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
A.KOH
B.Ammoniacal cuprous chloride
C.None of these
D.Pyrogallol solution
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Vanadium
B.Chromium
C.Nickel
D.Molybdenum
Explanation: The correct answer is Nickel.
Submitted by: Academy of Pakistan
A.Nylon fibres have greater water absorption capacity than polyester fibres
B.Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning
C.Crimp is a measure of the difference between the length of the straightened and unstraightened fibre
D.Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre
Explanation: The correct answer is Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning.
Submitted by: Academy of Pakistan
A.None of these
B.Flow rate changes
C.Temperature changes
D.Low loads
Explanation: The correct answer is Low loads.
Submitted by: Academy of Pakistan
A.Many body collisions are not favoured energetically
B.Of very large activation energy of many bodies
C.Of requirement of very large concentration for such reactions
D.Of low probability of many body collisions
Explanation: The correct answer is Of low probability of many body collisions.
Submitted by: Academy of Pakistan
A.Decreases
B.Decreases logarithmically
C.Increases
D.Remains constant
Explanation: The correct answer is Increases.
Submitted by: Academy of Pakistan