A.Passing it through cation & anion exchangers
B.Simply boiling
C.Adding alum
D.All (A), B. and (C)
Explanation: The correct answer is Passing it through cation & anion exchangers.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 88 of 557.
Chemical Engineering MCQs
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A.Multiplying with specific gravity
B.Dividing by specific gravity
C.Multiplying with density (gm/c.c)
D.Dividing by density (gm/c.c)
Explanation: The correct answer is Dividing by density (gm/c.c).
Submitted by: Academy of Pakistan
A.Increasing the gas film co-efficient
B.Decreasing the total pressure
C.Increasing the liquid film co-efficient
D.Increasing the total pressure
Explanation: The correct answer is Increasing the gas film co-efficient.
Submitted by: Academy of Pakistan
A.Oil of vitriol
B.Strong organic acid
C.Green acid
D.Muriatic acid
Explanation: The correct answer is Muriatic acid.
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A.Increase or decrease depending on the fuel type
B.Increase
C.Not change
D.Decrease
Explanation: The correct answer is Decrease.
Submitted by: Academy of Pakistan
A.Both B. & C.
B.Both the spheres will emit equal amount of radiation per unit time in the beginning
C.Both will absorb equal amount of radiation from the surrounding in the beginning
D.The cooling rate will be the same for the two spheres and hence the two spheres will have
Explanation: The correct answer is Both B. & C..
Submitted by: Academy of Pakistan
A.None of these
B.From oil wells
C.By natural gas stripping
D.In oil refineries
Explanation: The correct answer is By natural gas stripping.
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A.None of these
B.High pressure
C.Falling film
D.Long tube
Explanation: The correct answer is Falling film.
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A.Bulk modulus
B.Modulus of elasticity
C.Modulus of rigidity
D.None of these
Explanation: The correct answer is Modulus of elasticity.
Submitted by: Academy of Pakistan
A.O2
B.Ar
C.He
D.H2
Explanation: The correct answer is He.
Submitted by: Academy of Pakistan
A.Aluminium
B.Brass
C.Stainless steel
D.Copper
Explanation: The correct answer is Stainless steel.
Submitted by: Academy of Pakistan
A.Root mean square of velocity fluctuations in the three co-ordinate directions
B.Temporal velocity components
C.Mean square of velocity fluctuations in the three co-ordinate directions
D.None of these
Explanation: The correct answer is Mean square of velocity fluctuations in the three co-ordinate directions.
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A.Banbury internal mixer
B.Pug mill
C.mixer-extruder
D.Muller mixer
Explanation: The correct answer is Banbury internal mixer.
Submitted by: Academy of Pakistan
A.Saturation temperature=dew point temperature
B.Wet bulb temperature=dew point temperature
C.Wet bulb temperature=dry bulb temperature
D.All ‘A’, ‘B’ & ‘C’
Explanation: The correct answer is All ‘A’, ‘B’ & ‘C’.
Submitted by: Academy of Pakistan
A.Phenol
B.Styrene
C.None of these
D.Phthalic anhydride
Explanation: The correct answer is Phthalic anhydride.
Submitted by: Academy of Pakistan