A.Incomplete combustion
B.Smoky flame
C.None of these
D.Increased fuel consumption
Explanation: The correct answer is Increased fuel consumption.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 134 of 557.
Chemical Engineering MCQs
Showing page 134 of 557 · 8,342 total solved questions available.
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A.Multi-effect evaporation only
B.Extractive distillation
C.Evaporation and burning the concentrate followed by causticisation of products
D.Selective liquid extraction
Explanation: The correct answer is Evaporation and burning the concentrate followed by causticisation of products.
Submitted by: Academy of Pakistan
A.8800 kcal/m3
B.Same as that of coal middling
C.8800 kcal/kg
D.25000 kcal/kg
Explanation: The correct answer is 8800 kcal/kg.
Submitted by: Academy of Pakistan
A.Ionosphere
B.Stratosphere
C.Troposphere
D.None of these
Explanation: The correct answer is Stratosphere.
Submitted by: Academy of Pakistan
A.Both A. and B.
B.Neither A. nor B.
C.Differential roll speed
D.Reduction ratio
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.Hexane
B.Hot water
C.Dilute H2SO4 (hot)
D.Lime water
Explanation: The correct answer is Hot water.
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A.Nitrobenzene
B.Toluene
C.Benzene
D.Nitrotoluene
Explanation: The correct answer is Toluene.
Submitted by: Academy of Pakistan
A.All A., B. and C.
B.Difference in density between hot and cold gases
C.Change in volume during a change of temperature
D.Furnace pressure in conjunction with draft in flues
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Nitrogenous fertilizer
B.Potassic fertilizer
C.None of these
D.Phosphatic fertilizer
Explanation: The correct answer is Nitrogenous fertilizer.
Submitted by: Academy of Pakistan
A.Claude
B.Fauser-Montecatini
C.Uhde
D.Kellogg
Explanation: The correct answer is Claude.
Submitted by: Academy of Pakistan
A.Cannot be computed
B.Is computed from the slope of the upper operating line that is tangent to the equilibrium curve
C.Is computed from the intercept of the operating line
D.Is the optimum reflux ratio
Explanation: The correct answer is Is computed from the slope of the upper operating line that is tangent to the equilibrium curve.
Submitted by: Academy of Pakistan
A.Develop stable mineral forms in them
B.Form ceramic bonds necessary for development of high crushing strength in the finished
C.All A., B. and C.
D.Dehydrate the dried refractory
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Copper-constantan
B.Platinum-platinum/rhodium
C.Iron-constantan
D.Chromel-alumel
Explanation: The correct answer is Copper-constantan.
Submitted by: Academy of Pakistan
A.None of these
B.Bulk of the solids are removed at the periphery of the disks
C.Disks have very sharp edge
D.Solids are not deposited at the edge of the disk
Explanation: The correct answer is Bulk of the solids are removed at the periphery of the disks.
Submitted by: Academy of Pakistan
A.X-rays
B.Gamma rays
C.Microwaves
D.Gas welding
Explanation: The correct answer is Microwaves.
Submitted by: Academy of Pakistan