A.0.001
B.100
C.9.21
D.4.605
Explanation: The correct answer is 4.605.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 290 of 557.
Chemical Engineering MCQs
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A.1150
B.950
C.550
D.750
Explanation: The correct answer is 950.
Submitted by: Academy of Pakistan
A.f/4
B.f
C.2f
D.f/2
Explanation: The correct answer is f/2.
Submitted by: Academy of Pakistan
A.Slowly first and then rapidly
B.Rapidly first and then slowly
C.Linearly
D.Exponentially
Explanation: The correct answer is Rapidly first and then slowly.
Submitted by: Academy of Pakistan
A.Soda
B.Pyrex
C.Potash
D.Flint
Explanation: The correct answer is Pyrex.
Submitted by: Academy of Pakistan
A.Between 0 and ∞
B.One
C.Zero
Explanation: The correct answer is Zero.
Submitted by: Academy of Pakistan
A.Work required in crushing is proportional to the new surface created
B.For a given machine and feed, crushing efficiency is dependent on the size of the feed &
C.Work required to form a particle of any size is proportional to the square of the surface to
D.Work required to form a particle of a particular size is proportional to the square root of the
Explanation: The correct answer is Work required in crushing is proportional to the new surface created.
Submitted by: Academy of Pakistan
A.Higher than
B.Same as
C.Not related to
D.Lower than
Explanation: The correct answer is Lower than.
Submitted by: Academy of Pakistan
A.Sulphuric acid
B.Ferrous sulphate
C.Saturated brine
D.Alum
Explanation: The correct answer is Saturated brine.
Submitted by: Academy of Pakistan
A.None of these
B.Dew point
C.Dry bulb
D.Wet bulb
Explanation: The correct answer is Wet bulb.
Submitted by: Academy of Pakistan
A.Contains more than 90% durain
B.Contains mainly vitrain & clarain and is generally coking
C.Is non-coking
D.Contains more than 90% fussain
Explanation: The correct answer is Contains mainly vitrain & clarain and is generally coking.
Submitted by: Academy of Pakistan
A.Ionisation
B.Nuclear fission
C.Both the nuclear fission & fusion
D.Nuclear fusion
Explanation: The correct answer is Nuclear fission.
Submitted by: Academy of Pakistan
A.For which the output response is bounded for all bounded input
B.Which satisfies the conditions for a servo problem
C.None of these
D.Which exhibits an unbounded response to a bounded input
Explanation: The correct answer is For which the output response is bounded for all bounded input.
Submitted by: Academy of Pakistan
A.None of the above
B.Under damped
C.Over damped
D.Critically damped
Explanation: The correct answer is Critically damped.
Submitted by: Academy of Pakistan
A.Chloral is obtained by the chlorination of ethyl alcohol
B.DDT is manufactured by the condensation of chlorobenzene with chloral at 30°C in presence
C.Insecticides acting on the insects through the respiratory system are called fumigants
D.Benzene hexachloride is not a contact insecticide
Explanation: The correct answer is Benzene hexachloride is not a contact insecticide.
Submitted by: Academy of Pakistan