A.Soldering
B.Bell and spigot joint
C.Flanges
D.Welding
Explanation: The correct answer is Bell and spigot joint.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 9 of 557.
Chemical Engineering MCQs
Showing page 9 of 557 · 8,342 total solved questions available.
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A.Remove uncondensed ammonia vapour
B.Remove excess poisonous gases
C.Maintain inert gas concentration within a limit
D.Maintain H2 : N2 ratio at 3 :1
Explanation: The correct answer is Maintain H2 : N2 ratio at 3 :1.
Submitted by: Academy of Pakistan
A.Degree of super-saturation
B.Rate of heat transfer
C.All A., B. and C
D.Degree of turbulence
Explanation: The correct answer is All A., B. and C.
Submitted by: Academy of Pakistan
A.Walls of the reactor
B.Fuel elements
C.Operating personnels
D.None of these
Explanation: The correct answer is Operating personnels.
Submitted by: Academy of Pakistan
A.Resistances in parallel
B.None of these
C.Resistances in series
D.Capacitors in series
Explanation: The correct answer is Resistances in series.
Submitted by: Academy of Pakistan
A.Fireclay bricks
B.Mullite bricks
C.Tar bonded dolomite bricks
D.Magnesite bricks
Explanation: The correct answer is Tar bonded dolomite bricks.
Submitted by: Academy of Pakistan
A.None of these
B.No shock wave develops in the tube when the Mach number at exit is greater than unity
C.Throughout the converging portion of the tube, the density increases in the downstream
D.The value of Mach number is always unity at the throat
Explanation: The correct answer is No shock wave develops in the tube when the Mach number at exit is greater than unity.
Submitted by: Academy of Pakistan
A.(T1 – T2)/T2
B.(T1 – T2)/T1
C.(T2 – T1)/T1
D.(T2 – T1)/T2
Explanation: The correct answer is (T2 – T1)/T2.
Submitted by: Academy of Pakistan
A.18-22
B.2-3
C.6-8
D.12-15
Explanation: The correct answer is 6-8.
Submitted by: Academy of Pakistan
A.Gaseous
B.Liquid
C.Solid
D.None of these
Explanation: The correct answer is Liquid.
Submitted by: Academy of Pakistan
A.High CO/CO2
B.CO
C.H2
D.All A., B. & C.
Explanation: The correct answer is All A., B. & C..
Submitted by: Academy of Pakistan
A.1 kilo Pascal
B.1 bar
C.1 kg/cm2
D.1 atmosphere
Explanation: The correct answer is 1 atmosphere.
Submitted by: Academy of Pakistan
A.Semi-circle
B.Parabola
C.Semi-ellipse
D.Hyperbola
Explanation: The correct answer is Parabola.
Submitted by: Academy of Pakistan
A.Fluxing material like lime is added in clay to reduce the vitrification temperature
B.Vitrification of fireclay material is done to increase its porosity
C.Addition of sand in ceramic materials makes it non-plastic, increases its fusion point and
D.Main constituents of clay are alumina and silica
Explanation: The correct answer is Vitrification of fireclay material is done to increase its porosity.
Submitted by: Academy of Pakistan
A.Talc
B.Gold ores
C.Diamond
D.Iron ores
Explanation: The correct answer is Gold ores.
Submitted by: Academy of Pakistan