A.3 to 4
B.4 to 5
C.> 5
D.1.5 to 2
Explanation: The correct answer is 1.5 to 2.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 247 of 557.
Chemical Engineering MCQs
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A.79
B.77
C.21
D.29
Explanation: The correct answer is 21.
Submitted by: Academy of Pakistan
A.Increase in the concentration of one of the products
B.Increase in the concentration of one of the reactants
C.None of these
D.Removal of one of the products regularly
Explanation: The correct answer is Increase in the concentration of one of the products.
Submitted by: Academy of Pakistan
A.Above Which it will always become dry and below which it will always stay damp
B.Below which it will always stay dry
C.Both A. and B.
D.Above which it will always become damp
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.Th-232
B.Pu-239
C.U-233
D.U-235
Explanation: The correct answer is Th-232.
Submitted by: Academy of Pakistan
A.Zero
B.Not possible to predict
C.Negative
D.Very large compared to that for endothermic reaction
Explanation: The correct answer is Not possible to predict.
Submitted by: Academy of Pakistan
A.4.5
B.8.5
C.3.5
D.0.5
Explanation: The correct answer is 3.5.
Submitted by: Academy of Pakistan
A.Molecules possess appreciable volume
B.Energy is lost during molecular collisions
C.Absolute temperature is a measure of the kinetic energy of molecules
D.None of these
Explanation: The correct answer is Absolute temperature is a measure of the kinetic energy of molecules.
Submitted by: Academy of Pakistan
A.Only internal energy change (ΔE) is negative
B.Both ΔH and ΔE are negative
C.Only enthalpy change (ΔH) is negative
D.Enthalpy change is zero
Explanation: The correct answer is Both ΔH and ΔE are negative.
Submitted by: Academy of Pakistan
A.Increases
B.May increase or decrease; depends on the solid
C.Remains unchanged
D.Decreases
Explanation: The correct answer is Decreases.
Submitted by: Academy of Pakistan
A.Sedimentation
B.Sterilisation
C.Disinfection
D.Coagulation
Explanation: The correct answer is Disinfection.
Submitted by: Academy of Pakistan
A.Both A. & B.
B.Neither A. nor B.
C.Classifier
D.Cyclone separator between mill & classifier
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
A.7
B.3
C.70
D.30
Explanation: The correct answer is 3.
Submitted by: Academy of Pakistan
A.Air
B.Phenolic water
C.Carbon dioxide
D.Nitrogen
Explanation: The correct answer is Nitrogen.
Submitted by: Academy of Pakistan
The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by________?
0A.Electrolysis
B.Electrolytic oxidation
C.None of these
D.Electrolytic reduction
Explanation: The correct answer is Electrolytic reduction.
Submitted by: Academy of Pakistan