A.Semi-log
B.Triangular
C.Log-lag
D.Ordinary
Explanation: The correct answer is Log-lag.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 216 of 557.
Chemical Engineering MCQs
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A.Either of the above three; depends on the nature of refrigerant
B.0
C.+ve
Explanation: The correct answer is 0.
Submitted by: Academy of Pakistan
A.Inertial stress to gravitational stress
B.Inertial stress to shear stress
C.Shear stress to gravitational stress
D.Drag stress to shear stress
Explanation: The correct answer is Inertial stress to gravitational stress.
Submitted by: Academy of Pakistan
Conversion of yellow phosphorus to red phosphorous is done in retorts at 250-450°C in the ________?
0A.Presence of an oxidising atmosphere
B.Presence of a reducing atmosphere
C.Absence of air
D.Presence of an inert atmosphere
Explanation: The correct answer is Absence of air.
Submitted by: Academy of Pakistan
A.Pressure of working fluid
B.Mass and pressure both of the working fluid
C.Two temperatures only
D.Mass of the working fluid
Explanation: The correct answer is Two temperatures only.
Submitted by: Academy of Pakistan
A.Petrol
B.Kerosene
C.Naphtha
D.Heavy fuel oil
Explanation: The correct answer is Heavy fuel oil.
Submitted by: Academy of Pakistan
A.Chilled cast iron
B.White cast iron
C.Grey cast iron
D.Malleable iron
Explanation: The correct answer is Malleable iron.
Submitted by: Academy of Pakistan
A.Lowering the pump position
B.Decreasing the size of the inlet pipe
C.Increasing the size of the inlet pipe
D.Both B. and C.
Explanation: The correct answer is Both B. and C..
Submitted by: Academy of Pakistan
A.1 kcal/hr= 1.163 Watt
B.1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2
C.1 BTU/ft2.hr = 2.712 kcal/m2.hr
D.1 Watt = 1.163 kcal/hr
Explanation: The correct answer is 1 Watt = 1.163 kcal/hr.
Submitted by: Academy of Pakistan
A.Smoothen the leather
B.Make it flexible
C.Impart water resistance
D.Stiffen the leather
Explanation: The correct answer is Stiffen the leather.
Submitted by: Academy of Pakistan
A.Color of petroleum products indicates the degree of refinement
B.Fluorescence of oils helps to detect its adulteration
C.A pale color of petroleum product indicates lower viscosity
D.Lighter petroleum distillates are lighter in color than the heavier residual oils
Explanation: The correct answer is A pale color of petroleum product indicates lower viscosity.
Submitted by: Academy of Pakistan
A.G/(FG. a)
B.(G. a)/FG
C.L/(FG. G)
D.FG/(G. a)
Explanation: The correct answer is G/(FG. a).
Submitted by: Academy of Pakistan
A.None of these
B.Heating value
C.S & P content
D.Fusion point of ash
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.Bakelite
B.Teflon
C.PVC
D.SBR
Explanation: The correct answer is PVC.
Submitted by: Academy of Pakistan
A.Dilute solutions and isothermal operation
B.Dilute solutions
C.None of these
D.Isothermal operation
Explanation: The correct answer is Dilute solutions and isothermal operation.
Submitted by: Academy of Pakistan