A.Disinfection
B.Coagulation
C.Sedimentation
D.Filtration
Explanation: The correct answer is Coagulation.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 372 of 557.
Chemical Engineering MCQs
Showing page 372 of 557 · 8,342 total solved questions available.
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A.n-paraffins
B.i-paraffins
C.Aromatics
D.Naphthenes
Explanation: The correct answer is n-paraffins.
Submitted by: Academy of Pakistan
A.None of these
B.Determination of true vapour pressure
C.Evaluation of oil stocks
D.Determination of characterisation factor
Explanation: The correct answer is None of these.
Submitted by: Academy of Pakistan
A.50 ppm
B.700 ppm
C.100 ppm
D.300 ppm
Explanation: The correct answer is 700 ppm.
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A.Suppresses the decomposition of Fe3C
B.Reduces its fluidity
C.Increases the formation of graphite
D.Increases the contraction of the metal
Explanation: The correct answer is Increases the formation of graphite.
Submitted by: Academy of Pakistan
A.Brittleness
B.Malleability
C.Toughness
D.Ductility
Explanation: The correct answer is Ductility.
Submitted by: Academy of Pakistan
A.None of these
B.Mass
C.Volume
D.Specific weight
Explanation: The correct answer is Mass.
Submitted by: Academy of Pakistan
A.Complete combustion
B.None of these
C.High oxygen in flue gas
D.Incomplete combustion
Explanation: The correct answer is Complete combustion.
Submitted by: Academy of Pakistan
A.Independent of the type of oil, whether it is drying or non-drying
B.Helpful in findings its adulteration & its suitability for making soap
C.The number of grams of iodine taken up by 100 gm of oil or fat
D.A measure of its unsaturation
Explanation: The correct answer is Independent of the type of oil, whether it is drying or non-drying.
Submitted by: Academy of Pakistan
A.Negative
B.Constant
C.Infinity
D.Unity
Explanation: The correct answer is Constant.
Submitted by: Academy of Pakistan
A.All A., B. & C.
B.Ozone
C.Photochemical smog
D.Sulphur dioxide
Explanation: The correct answer is Sulphur dioxide.
Submitted by: Academy of Pakistan
A.Tempering
B.Annealing
C.None of these
D.Normalising
Explanation: The correct answer is Tempering.
Submitted by: Academy of Pakistan
A.pvr = constant, and process is reversible
B.None of these
C.pvr= constant
D.pv = constant
Explanation: The correct answer is pvr = constant, and process is reversible.
Submitted by: Academy of Pakistan
A.Two isobaric and two isothermal
B.Two isothermals and two isochoric
C.Two isothermal and two isentropic
D.Two isochoric and two isobaric
Explanation: The correct answer is Two isothermal and two isentropic.
Submitted by: Academy of Pakistan
A.Soda lime
B.Pyrex
C.High silica
D.Lead
Explanation: The correct answer is Pyrex.
Submitted by: Academy of Pakistan