A.None of these
B.Expanding tube at constant rate
C.Long pipe at decreasing rate
D.Long pipe at constant rate
Explanation: The correct answer is Long pipe at constant rate.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 377 of 557.
Chemical Engineering MCQs
Showing page 377 of 557 · 8,342 total solved questions available.
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A.None of these
B.Reduced softening capacity of zeolite
C.Easy removal of its hardness
D.Increased dosage of chlorine to provide a disinfecting residual in the water
Explanation: The correct answer is Increased dosage of chlorine to provide a disinfecting residual in the water.
Submitted by: Academy of Pakistan
A.Liquid-liquid extraction
B.Leaching
C.None of these
D.Absorption
Explanation: The correct answer is Leaching.
Submitted by: Academy of Pakistan
A.Non-Newtonian liquids
B.Ideal gases
C.Real gases
D.Newtonian liquids
Explanation: The correct answer is Ideal gases.
Submitted by: Academy of Pakistan
A.Free expansion of an ideal gas
B.Adiabatic compression of air
C.Adiabatic expansion of steam in turbine
D.Ideal compression of air
Explanation: The correct answer is Free expansion of an ideal gas.
Submitted by: Academy of Pakistan
A.Butterfly valve
B.Gate valve
C.Needle valve
D.Globe valve
Explanation: The correct answer is Needle valve.
Submitted by: Academy of Pakistan
A.Electrodialysis is used for the refining/purification of petrol
B.Dialysis process is used for the production of fresh water from brine
C.Electrodialysis is used in the manufacture of NaOH
D.Both B. and C.
Explanation: The correct answer is Electrodialysis is used in the manufacture of NaOH.
Submitted by: Academy of Pakistan
A.Accomplishes both A. and B
B.Accomplishes only space cooling in summer
C.Accomplishes only space heating in winter
D.Works on Carnot cycle
Explanation: The correct answer is Accomplishes both A. and B.
Submitted by: Academy of Pakistan
A.200°C
B.273°K
C.273°C
D.100°C
Explanation: The correct answer is 273°C.
Submitted by: Academy of Pakistan
A.Both A. and B.
B.Increased steam economy
C.Decreased steam consumption
D.Increased capacity
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.Only if the opening is on a horizontal cylindrical vessel
B.Only if the opening is on a vertical cylindrical vessel
C.Only if the opening is on spherical vessel
D.Irrespective of the shape of the vessel
Explanation: The correct answer is Irrespective of the shape of the vessel.
Submitted by: Academy of Pakistan
A.Aluminium
B.Stainless steel
C.Cast iron
D.Nickel
Explanation: The correct answer is Cast iron.
Submitted by: Academy of Pakistan
A.Forced
B.Induced
C.Natural
D.None of these
Explanation: The correct answer is Natural.
Submitted by: Academy of Pakistan
A.Hydrocarbons
B.Both A. & B.
C.Carbon monoxide
D.Nitrogen oxides
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
A.Glycerine from lye
B.The unsaponified fat from soap
C.The metallic soap
D.Soap from lye
Explanation: The correct answer is Soap from lye.
Submitted by: Academy of Pakistan