A.Can be done with less excess air
B.Develops a non-luminous flame
C.Develops a low temperature flame
D.Provides a lower rate of heat release
Explanation: The correct answer is Can be done with less excess air.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 249 of 557.
Chemical Engineering MCQs
Showing page 249 of 557 · 8,342 total solved questions available.
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A.Methyl-ethyl-ketone (MEK)
B.Sodium plumbite
C.Petroleum ether
D.Naphtha
Explanation: The correct answer is Methyl-ethyl-ketone (MEK).
Submitted by: Academy of Pakistan
A.1 to 5
B.20 to 100
C.1000 to 2000
D.500 to 750
Explanation: The correct answer is 20 to 100.
Submitted by: Academy of Pakistan
A.Thermosetting
B.Having extremely high softening point
C.Thermoplastic
D.Elastometric
Explanation: The correct answer is Thermoplastic.
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A.When half the filtrate has been obtained
B.At the end of filtration, but decreases with time subsequently
C.At the end of filtration
D.At time zero
Explanation: The correct answer is At the end of filtration.
Submitted by: Academy of Pakistan
A.Yellow
B.Black
C.None of these
D.Light buff to reddish buff
Explanation: The correct answer is Light buff to reddish buff.
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A.High pressure throttling service
B.Very large diameter pipes
C.Very accurate flow control
D.Smaller sizes of pipe
Explanation: The correct answer is Very large diameter pipes.
Submitted by: Academy of Pakistan
A.Slightly concave upward
B.Slightly concave downward
C.None of these
D.Straight line
Explanation: The correct answer is Slightly concave upward.
Submitted by: Academy of Pakistan
A.Tin
B.Iron
C.Copper
D.Silver
Explanation: The correct answer is Iron.
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A.Comparatively less weight of coolant is required
B.All a, b & c
C.Its higher boiling point (290°C) increases its heat carrying capacity
D.Smaller radiator can be used
Explanation: The correct answer is All a, b & c.
Submitted by: Academy of Pakistan
A.Methyl amine
B.Xylene
C.Phenol
D.Naphthalene
Explanation: The correct answer is Naphthalene.
Submitted by: Academy of Pakistan
A.7
B.20
C.1
D.3
Explanation: The correct answer is 20.
Submitted by: Academy of Pakistan
A.60
B.25
C.45
D.10
Explanation: The correct answer is 60.
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A.Have large free cross-section
B.Hold up large amount of liquid in the packing
C.Have large surface area per unit volume
D.Have low weight per unit volume
Explanation: The correct answer is Hold up large amount of liquid in the packing.
Submitted by: Academy of Pakistan
A.Graphite refractories are also called plumbago refractories
B.Calcined magnesite is also called dead burnt magnesite
C.Insulating refractories used in place of regular refractory bricks are usually called light weight refractories, and they have similar composition as heavy bricks
D.Superduty fireclay bricks correspond to a pyrometric cone equivalent of 26-28
Explanation: The correct answer is Superduty fireclay bricks correspond to a pyrometric cone equivalent of 26-28.
Submitted by: Academy of Pakistan