A.85
B.105
C.145
D.125
Explanation: The correct answer is 105.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 180 of 557.
Chemical Engineering MCQs
Showing page 180 of 557 · 8,342 total solved questions available.
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A.Half of the residence time of a reaction
B.Half of the space time of a reaction
C.None of these
D.The time required to reduce the concentration of the reacting substance to half its initial value
Explanation: The correct answer is The time required to reduce the concentration of the reacting substance to half its initial value.
Submitted by: Academy of Pakistan
A.Cancer
B.Asphyxiation
C.Bronchitis
D.Corrosion
Explanation: The correct answer is Bronchitis.
Submitted by: Academy of Pakistan
A.A, C, D
B.A, B, E
C.B, D, E
D.A, D, E
Explanation: The correct answer is A, B, E.
Submitted by: Academy of Pakistan
A.H = F – TS
B.H = E – PV
C.None of these
Explanation: The correct answer is H = E – PV.
Submitted by: Academy of Pakistan
A.450
B.250
C.750
D.650
Explanation: The correct answer is 650.
Submitted by: Academy of Pakistan
A.Biological oxygen demand
B.Dissolved oxygen content
C.Vapor pressure
D.All A., B. and C.
Explanation: The correct answer is Dissolved oxygen content.
Submitted by: Academy of Pakistan
A.Calcium oxide
B.Cobalt oxide
C.Titanium oxide
D.Manganese oxide
Explanation: The correct answer is Cobalt oxide.
Submitted by: Academy of Pakistan
A.Translational
B.Rotational
C.None of these
D.Vibrational
Explanation: The correct answer is Translational.
Submitted by: Academy of Pakistan
A.Tds = dE + dW
B.Tds – dW + dE >0
C.dW – dE = Tds
D.dE – dW = Tds
Explanation: The correct answer is Tds = dE + dW.
Submitted by: Academy of Pakistan
A.A by-product of BHC manufacture
B.BHC (Benzene Hexachloride) containing 99% γ-isomer
C.Not a fumigant
D.Both B. and C.
Explanation: The correct answer is BHC (Benzene Hexachloride) containing 99% γ-isomer.
Submitted by: Academy of Pakistan
A.May increase or decrease, depends on the type of baffle
B.Does not affect
C.Decreases
D.Increases
Explanation: The correct answer is Increases.
Submitted by: Academy of Pakistan
A.Unsteady uniform flow
B.Flow in a straight line
C.Steady uniform flow
D.A flow which does not account for changes in transverse direction
Explanation: The correct answer is A flow which does not account for changes in transverse direction.
Submitted by: Academy of Pakistan
A.Bulb
B.None of these
C.Pointer
D.Bourdon tube
Explanation: The correct answer is Bourdon tube.
Submitted by: Academy of Pakistan
A.Area of surface in contact
B.Pressure of flow
C.Fluid temperature
D.Flow velocity
Explanation: The correct answer is Area of surface in contact.
Submitted by: Academy of Pakistan