Category: Chemical Engineering

Latest multiple choice questions with answers for chemical engineering students.

Chemical Engineering MCQs [Quiz 34]

Q1. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.
(A) Hot rolled mild
(B) Cold rolled mild
(C) Forged
(D) Machinable stainless

Q2. Speisses is a mixture of the following:
(A) Arsenides of heavy metals
(B) Antimonides of heavy metals
(C) Arsenides & antimonides of heavy metals
(D) Iron, cobalt and nickel

Q3. Wrought iron does not have
(A) Uniform strength in all directions
(B) Ability to hold protective coating
(C) High ductility & corrosion resistance
(D) Easily weldable characteristics

Q4. The difference between gross & net calorific values of fuel is due to the
(A) Sensible heat carried away by the flue gases
(B) Heat carried away by the steam from the moisture content of the fuel
(C) Heat lost by radiation
(D) Heat carried away by steam from the combustion of hydrogen in the fuel

Q5. A solar cell converts the sunlight directly into __________ energy.
(A) Thermal
(B) Electrical
(C) Mechanical
(D) Chemical

Q6. The starting of a car takes time in winter, because the
(A) Octane number of fuel is decreased
(B) Fuel supply for ignition is not sufficient
(C) Vaporisation of the fuel is decreased
(D) Pour point of fuel decreases

Q7. The friction factor for the turbulent fluid flow in a rough pipe does not depend upon the
(A) Pipe roughness & pipe diameter
(B) Fluid velocity
(C) Type of flowing fluid
(D) Both ‘b’ & ‘c’

Q8. An alloy of Fe – 0.4 % C is
(A) Cast iron
(B) Hypo-eutectoid steel
(C) Hyper-eutectoid steel
(D) Eutectoid steel

Q9. Which of the following does not discharge the dust collected as a dry solid?
(A) Electrostatic precipitator
(B) Wet scrubber
(C) Bag filter
(D) Gravity settling chamber

Q10. Pressure required to increase the density of water by about 1% is __________ atmosphere.
(A) 10
(B) 50
(C) 200
(D) 1000

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