A.Stainless steel
B.Mild steel
C.Copper
D.Soft iron
Explanation: The correct answer is Soft iron.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 28 of 557.
Chemical Engineering MCQs
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A.CO2
B.CO
C.H2
D.CH4
Explanation: The correct answer is CH4.
Submitted by: Academy of Pakistan
A.1.66
B.1.3
C.2.5
D.None of these
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.15
B.1500
C.150
D.1.5
Explanation: The correct answer is 1500.
Submitted by: Academy of Pakistan
The process of coating steel sheets by zinc to improve its corrosion resistance is called________?
0A.Zincification
B.Galvanising
C.Calorising
D.Tempering
Explanation: The correct answer is Galvanising.
Submitted by: Academy of Pakistan
A.20
B.35
C.5
D.10
Explanation: The correct answer is 20.
Submitted by: Academy of Pakistan
A.Absolute
B.Vacuum
C.Gage
D.Atmospheric
Explanation: The correct answer is Absolute.
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A.High viscosity index
B.Low electrical conductivity
C.Low flash point
D.Low thermal conductivity
Explanation: The correct answer is Low electrical conductivity.
Submitted by: Academy of Pakistan
A.Chloroform
B.Sulphuric acid (95%)
C.Aqua regia
D.All A., B. and C.
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.All A., B. and C.
B.American standard screens (ASTM and Tyler standard screens)
C.German standard screens (DIN 1171) etc
D.British standard screens
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Isobaric
B.Isentropic
C.Isothermal
D.Adiabatic
Explanation: The correct answer is Adiabatic.
Submitted by: Academy of Pakistan
A.Remains unchanged
B.Decreases
C.Data insufficient, can’t be predicted
D.Increases
Explanation: The correct answer is Remains unchanged.
Submitted by: Academy of Pakistan
Use of raschig rings in place of crushed stones as packing in packed beds (other things being same)?
0A.Decreases pressure drop, increases surface area
B.Increases pressure drop, increases surface area
C.Decreases pressure drop, decreases surface area
D.Increases pressure drop, decreases surface area
Explanation: The correct answer is Decreases pressure drop, increases surface area.
Submitted by: Academy of Pakistan
A.High refractoriness
B.High strength and density
C.All A., B. and C.
D.High resistance to spalling
Explanation: The correct answer is High refractoriness.
Submitted by: Academy of Pakistan
A.Neither A. nor B.
B.Both A. and B.
C.Stronger than cast iron
D.Produced by adding 10-20% steel to the cupola charge
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan