A.Cost of piping
B.Utilities cost
C.Equipment cost by scaling
D.Equipment installation cost
Explanation: The correct answer is Equipment cost by scaling.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 267 of 557.
Chemical Engineering MCQs
Showing page 267 of 557 · 8,342 total solved questions available.
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Most commonly used crude heater before the fractionation tower in a refinery is the ________ heater?
0A.None of these
B.Electric immersion
C.Pipestill
D.Steam coil
Explanation: The correct answer is Pipestill.
Submitted by: Academy of Pakistan
A.1
B.0
Explanation: The correct answer is 1.
Submitted by: Academy of Pakistan
A.Conditions do not change with time at any point
B.Rate of the velocity change is constant
C.Conditions are the same at the adjacent points at any instant
D.Conditions change steadily with time
Explanation: The correct answer is Conditions do not change with time at any point.
Submitted by: Academy of Pakistan
A.Formic acid
B.Ethyl alcohol
C.Ammonia
D.Acetone
Explanation: The correct answer is Formic acid.
Submitted by: Academy of Pakistan
A.CO2 analyser
B.Chromatograph
C.Spectrometer
D.Polarimeter
Explanation: The correct answer is CO2 analyser.
Submitted by: Academy of Pakistan
A.All A, B. & C
B.Put off fire in the furnace when water level in the boiler falls to unsafe limit
C.Guard the boiler in case of abnormal rise in steam pressure
D.Drain out water and sludge from the boiler during repair
Explanation: The correct answer is Put off fire in the furnace when water level in the boiler falls to unsafe limit.
Submitted by: Academy of Pakistan
A.Reheating furnace
B.Open hearth furnace
C.Muffle furnace
D.Soaking pit
Explanation: The correct answer is Muffle furnace.
Submitted by: Academy of Pakistan
A.CO2 gas cooled
B.Molten sodium cooled
C.Boiling water
D.Pressurised water
Explanation: The correct answer is Boiling water.
Submitted by: Academy of Pakistan
A.High pressure drop and high hold up
B.Low pressure drop and low hold up
C.Low pressure drop and high hold up
D.High pressure drop and low hold up
Explanation: The correct answer is Low pressure drop and low hold up.
Submitted by: Academy of Pakistan
A.Ammonium chloride/sulphate
B.Calcium phosphate
C.All A., B. and C.
D.Powdered naphthalene
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.Blending of immiscible liquids
B.Suspending solid particles
C.Dispersing immiscible liquid in form of emulsion
D.Dispersing gas in liquid
Explanation: The correct answer is Blending of immiscible liquids.
Submitted by: Academy of Pakistan
A.Glycerol
B.Oleic acid
C.Citric acid
D.Stearic acid
Explanation: The correct answer is Citric acid.
Submitted by: Academy of Pakistan
A.Three fourth
B.Equal to
C.Half
D.1.5 times
Explanation: The correct answer is Equal to.
Submitted by: Academy of Pakistan
A.Half
B.One fourth
C.Three fourth
D.Equal to
Explanation: The correct answer is One fourth.
Submitted by: Academy of Pakistan