Category: Chemical Engineering

Latest multiple choice questions with answers for chemical engineering students.

Chemical Engineering MCQs [Quiz 28]

Q1. A pycnometer is used for the measurement of
(A) Flow rate of molten metal
(B) Specific gravity of a liquid
(C) Composition of alloys
(D) Concentration of a solution

Q2. Which of the following low melting alloy containing bismuth and lead is used for electric fuse?
(A) Wood’s metal
(B) Babbitt metal
(C) Monel metal
(D) Duralumin

Q3. Wavelength of radiation emitted by a body depends on the __________ of its surface.
(A) Temperature
(B) Area
(C) Nature
(D) All ‘a’, ‘b’ & ‘c’

Q4. Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of
(A) 90% tungsten carbide and 10% cobalt
(B) 70% aluminium oxide & 30% silica
(C) 30% nickel, 15% chromium & 55% tungsten
(D) 65% tungsten & 35% zirconium

Q5. Which of the following metals is the most prone to work hardening?
(A) Brass
(B) Aluminium
(C) Copper
(D) Lead

Q6. The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the
(A) Final control element
(B) On-off control
(C) Floating control action
(D) None of these

Q7. A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson’s ratio of the rod is
(A) 0
(B) 0.33
(C) 0.44
(D) 0.25

Q8. The substance used as a smoke screen in warfare is
(A) C2H2
(B) SiCl4
(C) P2O5
(D) PCl5

Q9. Working of linear variable differential transducer (LVDT) is based on the principle of variable
(A) Capacitance
(B) Resistance
(C) Mutual inductance
(D) None of these

Q10. Increasing sulphur content in pig iron tends to make it
(A) Soft
(B) Hard
(C) Tough
(D) Ductile & malleable

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