A.Cast iron
B.Hypo-eutectoid steel
C.Eutectoid steel
D.Hyper-eutectoid steel
Explanation: The correct answer is Hypo-eutectoid steel.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 231 of 557.
Chemical Engineering MCQs
Showing page 231 of 557 · 8,342 total solved questions available.
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A.450 atm, 550°C
B.450 atm, 200°C
C.200 atm, 1000°C
D.450 atm, 1000°C
Explanation: The correct answer is 450 atm, 550°C.
Submitted by: Academy of Pakistan
A.Any of these
B.Sulphur trioxide at 60°C
C.Sulphuric acid (10%) at room temperature
D.Nitric acid (95%) at room temperature
Explanation: The correct answer is Sulphuric acid (10%) at room temperature.
Submitted by: Academy of Pakistan
A.Wax
B.Naphtha
C.Lubricating oils
D.Cracking feedstock
Explanation: The correct answer is Lubricating oils.
Submitted by: Academy of Pakistan
A.Temperature and pressure only
B.Temperature only
C.Temperature, pressure and liquid composition xi only
D.Temperature, pressure, liquid composition xi and vapour composition yi
Explanation: The correct answer is Temperature, pressure and liquid composition xi only.
Submitted by: Academy of Pakistan
A.Decrease in pressure drop
B.Increase in Murphree plate efficiency
C.Increase in pressure drop
D.Decrease in liquid hold up in the column
Explanation: The correct answer is Increase in pressure drop.
Submitted by: Academy of Pakistan
A.M = 1.1 A
B.M = 0.5 A
C.M = 1.8 A
D.M = A
Explanation: The correct answer is M = 1.1 A.
Submitted by: Academy of Pakistan
Which of the following is not a by-product recovered in a high temperature coal carbonisation plant?
0A.Naphthalene
B.Ethylene
C.Benzol
D.Pitch-creosote mixture (PCM)
Explanation: The correct answer is Ethylene.
Submitted by: Academy of Pakistan
A.Human blood is a Newtonian fluid
B.For a non-Newtonian fluid, a straight line passes through the origin in a plot between shear
C.A Newtonian fluid obeys Newton’s law of cooling
D.Thin lubricating oil is an example of a non-Newtonian fluid
Explanation: The correct answer is A Newtonian fluid obeys Newton’s law of cooling.
Submitted by: Academy of Pakistan
A.None of these
B.Diffuse radiation
C.Bright sunshine period
D.Beam radiation
Explanation: The correct answer is Beam radiation.
Submitted by: Academy of Pakistan
A.None of these
B.Low pressure
C.Pool
D.Nucleate
Explanation: The correct answer is Pool.
Submitted by: Academy of Pakistan
A.Trapezoid
B.Circle
C.Rectangle
D.Rhombus
Explanation: The correct answer is Rectangle.
Submitted by: Academy of Pakistan
A.ε = ε0 + α.t2
B.ε = ε0 + α.t4
C.ε = ε0 + α.t
D.ε = ε0 + α.t3
Explanation: The correct answer is ε = ε0 + α.t.
Submitted by: Academy of Pakistan
A.Moles transferred/ [(time) (area) (pressure)]
B.Moles transferred/ [(time) (area) (mole fraction)]
C.None of these
D.Moles transferred/ [(time) (area) (mass A/mass B)]
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Tall but empty
B.Tall (say 30 metres), but is full of liquid
C.None of these
D.Short (< 2 m) and housed indoor
Explanation: The correct answer is Short (< 2 m) and housed indoor.
Submitted by: Academy of Pakistan