A.Soap solution
B.Its smell
C.Sulphur stick, which on detection gives white smoke
D.Using chemical reagents
Explanation: The correct answer is Sulphur stick, which on detection gives white smoke.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 94 of 557.
Chemical Engineering MCQs
Showing page 94 of 557 · 8,342 total solved questions available.
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A.Absorption
B.Adsorption
C.Ion-exchange
D.Rectification
Explanation: The correct answer is Ion-exchange.
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A.CH4
B.N2
C.H2
D.CO2
Explanation: The correct answer is H2.
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A.Bainitic
B.Carburised
C.Stressed
D.Martensitic
Explanation: The correct answer is Bainitic.
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A.3.5
B.5.5
C.2
D.1
Explanation: The correct answer is 2.
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A.Do not resist temperature fluctuations
B.Have extremely low thermal & electrical conductivities
C.Are not attacked by slags, as they are not wetted by melts
D.Do not burn/oxidise, when exposed to air on heating
Explanation: The correct answer is Are not attacked by slags, as they are not wetted by melts.
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A.Sustain the reactor pressure
B.Obviate catalyst poisoning
C.Hydrogenate the feed stock
D.Maintain the reaction temperature
Explanation: The correct answer is Sustain the reactor pressure.
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A.Malleability
B.Fluidity & castability
C.Strength
D.Ductility
Explanation: The correct answer is Fluidity & castability.
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A.2 AT
B.√(AT)
C.1.5 AT
D.0.5 AT
Explanation: The correct answer is 2 AT.
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A.1
B.L √(K/D1)
C.1/[L√(K/D1)]
Explanation: The correct answer is 1/[L√(K/D1)].
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A.400-500
B.1400-1500
C.1700-1800
D.900-1000
Explanation: The correct answer is 900-1000.
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A.Reduced by the addition of basic oxides
B.Increased by the addition of basic oxides
C.Not affected by the addition of basic oxides
D.Always more than 2500°C
Explanation: The correct answer is Reduced by the addition of basic oxides.
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A.< 7
B.> 7 20 < 50
C.< 30
Explanation: The correct answer is < 7.
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A.Reciprocating
B.Gear
C.Volute
D.Centrifugal
Explanation: The correct answer is Centrifugal.
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A.Increase in Young’s modulus
B.Strain hardening
C.Strain-ageing
D.Immobility of dislocation
Explanation: The correct answer is Strain-ageing.
Submitted by: Academy of Pakistan