A.100
B.60
C.90
D.75
Explanation: The correct answer is 75.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 241 of 557.
Chemical Engineering MCQs
Showing page 241 of 557 · 8,342 total solved questions available.
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Filler material used in welding should have ________ as compared to the parent metal to be welded?
0A.Both ‘B’ & ‘C’
B.Same composition
C.Lower melting temperature
D.Same melting temperature
Explanation: The correct answer is Both ‘B’ & ‘C’.
Submitted by: Academy of Pakistan
A.4-6
B.2-4
C.0.001-0.01
D.0.1-2
Explanation: The correct answer is 0.1-2.
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A.4 kgf/cm2 & 500°C
B.40 kg/cm2 & 200°C
C.100 kgf/cm2 & 500°C
D.10 kgf/cm2 & 1000°C
Explanation: The correct answer is 4 kgf/cm2 & 500°C.
Submitted by: Academy of Pakistan
A.Waiting
B.Tool replacement
C.Inspection
D.Idle
Explanation: The correct answer is Waiting.
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A.CO
B.CO2
C.O2
D.N2
Explanation: The correct answer is CO2.
Submitted by: Academy of Pakistan
A.Provide support for tubes
B.Avoid buckling of tubes
C.Facilitate its lengthening, if needed
D.Decrease the pressure drop
Explanation: The correct answer is Avoid buckling of tubes.
Submitted by: Academy of Pakistan
A.651
B.667
C.1000
D.349
Explanation: The correct answer is 349.
Submitted by: Academy of Pakistan
A.Earth’s centre
B.0°K
C.Zero pressure
D.High vacuum
Explanation: The correct answer is Zero pressure.
Submitted by: Academy of Pakistan
A.Both A. and B.
B.Provides poorer contact between the fluids
C.Gives higher pressure drop
D.Gives lower pressure drop
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.Cotton followed by aluminium foil
B.85% magnesia cement and glass wool
C.Tar dolomite bricks followed by asbestos
D.Fireclay refractory followed by aluminium sheet
Explanation: The correct answer is 85% magnesia cement and glass wool.
Submitted by: Academy of Pakistan
A.Sling psychrometer
B.Chromatograph
C.Mass spectrometer
D.Polarimeter
Explanation: The correct answer is Sling psychrometer.
Submitted by: Academy of Pakistan
A.Neither A. nor B.
B.Cement manufacture
C.Calcination of limestone & dolomite
D.Both A. and B.
Explanation: The correct answer is Both A. and B..
Submitted by: Academy of Pakistan
A.Both A. & B.
B.Protons and electrons
C.Neutrons and protons
D.Neutrons and electrons
Explanation: The correct answer is Both A. & B..
Submitted by: Academy of Pakistan
A.Lignite & coal gas
B.Petrol & diesel
C.Lignite & anthracite coal
D.Coal gas & natural gas
Explanation: The correct answer is Petrol & diesel.
Submitted by: Academy of Pakistan