Category: Chemical Engineering

Latest multiple choice questions with answers for chemical engineering students.

Chemical Engineering MCQs [Quiz 39]

Q1. On being hit with a hammer, __________ will readily fracture.
(A) Brass
(B) Mild steel
(C) Cast iron
(D) Lead

Q2. Which of the following is not a principal alloying element for the structural steel?
(A) Molybdenum
(B) Nickel
(C) Manganese
(D) Chromium

Q3. The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.
(A) 60 – 100
(B) 400 – 700
(C) 1200 -1500
(D) 2000 – 2300

Q4. Which of the following rays has the least wavelength?
(A) Ultraviolet rays
(B) Infrared rays
(C) Cosmic rays
(D) X-rays

Q5. Which of the following does not have a sharp melting point?
(A) Thoria
(B) Glass
(C) Ice
(D) Pig iron

Q6. Absolute zero pressure can be attained at a temperature of
(A) 0°C
(B) 50°K
(C) 0°R
(D) None of these

Q7. Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when
(A) Strain rate is increased
(B) Grain size is increased
(C) Prior cold deformation is increased
(D) Not affected by any of the above parameters

Q8. Recrystallisation temperature of steel is __________ °C.
(A) 50
(B) 300
(C) 500
(D) 800

Q9. Corrosion of metals cannot be prevented by its
(A) Tempering
(B) Chromising
(C) Aluminising
(D) Alloying

Q10. __________ is the most suitable lubricant for drawing mild steel wires?
(A) Kerosene
(B) Water
(C) Sodium stearate
(D) Lime water

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