A.D
B.0.5 D
C.2 D
D.1.5 D
Explanation: The correct answer is D.
Submitted by: Academy of Pakistan
Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 130 of 557.
Chemical Engineering MCQs
Showing page 130 of 557 · 8,342 total solved questions available.
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A.Glasses
B.Teflon
C.Porcelain/Potteries
D.Slag cement
Explanation: The correct answer is Teflon.
Submitted by: Academy of Pakistan
A.A closed system of constant composition
B.An open system with changes in composition
C.A closed system with changes in composition
D.An open system of constant composition
Explanation: The correct answer is A closed system with changes in composition.
Submitted by: Academy of Pakistan
A.0.5
B.1
C.3
D.1.5
Explanation: The correct answer is 0.5.
Submitted by: Academy of Pakistan
A.SO3
B.N2
C.CO2
D.H2
Explanation: The correct answer is SO3.
Submitted by: Academy of Pakistan
A.Inlet pressure low
B.Outlet pressure high
C.Inlet pressure high
D.Outlet pressure low
Explanation: The correct answer is Inlet pressure high.
Submitted by: Academy of Pakistan
A.All A., B. and C.
B.Reducing the humidity of the air
C.Reducing the barometric pressure
D.Increasing the air velocity and area of exposed wet surface
Explanation: The correct answer is All A., B. and C..
Submitted by: Academy of Pakistan
A.50
B.5
C.500
D.5000
Explanation: The correct answer is 5.
Submitted by: Academy of Pakistan
A.The joint made by overlapping of one plate over the other, and then riveting the two plates together with two rows of rivets is called ‘double riveted butt joint’
B.Riveting provides a permanent fastening method
C.Shank diameter of the rivets should be less than the size of the hole drilled in the plate for riveting
D.The efficiency of a riveted joint is the ratio of the strength of the riveted joint to the strength of the solid plate
Explanation: The correct answer is The joint made by overlapping of one plate over the other, and then riveting the two plates together with two rows of rivets is called ‘double riveted butt joint’.
Submitted by: Academy of Pakistan
A.A natural polymeric fibre
B.Polyacrylonitrile
C.Poly-methyl-methacrylate (PMMA)
D.An amorphous polymer
Explanation: The correct answer is Polyacrylonitrile.
Submitted by: Academy of Pakistan
A.40.8
B.40.4
C.20.4
D.20.8
Explanation: The correct answer is 40.8.
Submitted by: Academy of Pakistan
A.Pine oil
B.Phosphorous
C.Rosin
D.Carbon black
Explanation: The correct answer is Carbon black.
Submitted by: Academy of Pakistan
A.-0.6
B.1.5
Explanation: The correct answer is 1.5.
Submitted by: Academy of Pakistan
A.The fuel and the moderator is mixed to form a homogeneous material
B.Same substance (e.g. heavy water) is used as moderator & coolant
C.All A., B. and C.
D.Fissile atoms are evenly distributed throughout the mass of nuclear reactor
Explanation: The correct answer is The fuel and the moderator is mixed to form a homogeneous material.
Submitted by: Academy of Pakistan
A.Nusselt number
B.Prandtl number
C.Schmidt number
D.Heat flux
Explanation: The correct answer is Heat flux.
Submitted by: Academy of Pakistan