Category: Chemical Engineering

Latest multiple choice questions with answers for chemical engineering students.

Chemical Engineering MCQs [Quiz 35]

Q1. If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity
(A) Is trebled
(B) Remains unchanged
(C) Decreases by a factor of 3
(D) Decreases by a factor of 1/3

Q2. Hydro-cyclone is a
(A) Crusher
(B) wet classifier
(C) Dry classifier
(D) Magnetic separator

Q3. A dense structure of grinding wheel is not used for the
(A) Ductile material
(B) Hard materials
(C) Brittle materials
(D) Finishing cuts

Q4. Tin based white metals are used, where bearings are subjected to
(A) High pressure & load
(B) Low pressure & load
(C) High temperature
(D) Large surface wear

Q5. Direct conversion of thermal energy to electrical energy is facilitated by the
(A) Fuel cells
(B) Photo voltaic cell
(C) Magneto hydrodynamic generator
(D) None of these

Q6. The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.
(A) 100
(B) 200
(C) 1000
(D) 2000

Q7. Annealing of white cast iron produces __________ iron.
(A) Grey
(B) Nodular
(C) Malleable
(D) Spheroidal

Q8. For preparation of porous bearings by powder metallurgy, preferred particle shape is
(A) Spherical
(B) Nodular
(C) Irregular
(D) No preferred shape

Q9. Cemented carbide tools are not suitable for cutting
(A) Aluminium
(B) Brass
(C) Cast iron
(D) Steel

Q10. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.
(A) Beryllium
(B) Zirconia
(C) Alumina
(D) Magnesia

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