Category: Chemical Engineering

Latest multiple choice questions with answers for chemical engineering students.

Chemical Engineering MCQs [Quiz 38]

Q1. All of the following alloying elements of steel increases hardness but sacrifice ductility, except
(A) Nickel
(B) Vanadium
(C) Molybdenum
(D) Chromium

Q2. Reduction in the grain size reduces the __________ of the material.
(A) Fatigue resistance
(B) Tensile strength
(C) Creep resistance
(D) All (A), (B) & (C)

Q3. Stainless steel is welded using
(A) Oxy-acetylene flame
(B) Oxy-hydrogen flame
(C) Arc welding
(D) Inert gas arc welding

Q4. Wrought iron is never shaped by
(A) Casting
(B) Cold working
(C) Forging
(D) Welding

Q5. Fibre glass is a composite material of
(A) Glass fibre in a polymer matrix
(B) Glass fibre in a metallic matrix
(C) Polymer fibre in a glassy matrix
(D) Both ‘b’ & ‘c’

Q6. Mild steel has __________ crystal lattice structure.
(A) Face centred cubic (fcc)
(B) Body centred cubic (bcc)
(C) Orthorhombic
(D) Cubic

Q7. Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
(A) 20
(B) 200
(C) 500
(D) 2000

Q8. Diffusion co-efficient of a metal in a solid solution depends upon its
(A) Composition
(B) Temperature
(C) Both (A) & (B)
(D) Neither (A) nor (B)

Q9. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m-1 . k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is
(A) 100
(B) 900
(C) 9000
(D) 10000

Q10. The following type of bonding is strongly directional in solids.
(A) Vander Waal’s
(B) Ionic
(C) Metallic
(D) Covalent

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