Basic Questions in Chemical Engineering - Set 32 - ObjectiveBooks

Basic Questions in Chemical Engineering - Set 32

Practice Test: Question Set - 32

1. Alloy powder manufactured by the following process have spherical shapes.
    (A) Electrochemical deposition
    (B) Gaseous reduction
    (C) Atomisation
    (D) Mechanical attrition

2. What is the value of included angle of a triangular notch for maximum discharge?
    (A) 30°
    (B) 60°
    (C) 90°
    (D) 120°

3. Glycerine is used as a coolant in cooling of some engines instead of water, because
    (A) Its higher boiling point (290°C) increases its heat carrying capacity
    (B) Comparatively less weight of coolant is required
    (C) Smaller radiator can be used
    (D) All a, b & c

4. Which of the following is a boiler accessory i.e., not a boiler mounting?
    (A) Blow off cock
    (B) Feed check valve
    (C) Feed water pump
    (D) Stop valve

5. The product (s) of roasting of a sulphide ore is (are)
    (A) Oxide only
    (B) Sulphate only
    (C) Oxide and sulphate
    (D) Dependent on temperature and partial pressure of oxygen & sulphur dioxide

6. The most important requirement for aluminium industry is the availability of cheap
    (A) Ore
    (B) Electrical power
    (C) Labour
    (D) Abundant water

7. A jig is used while __________ a hole.
    (A) Boring
    (B) Counter boring
    (C) Drilling
    (D) Enlarging

8. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
    (A) Wrought
    (B) Tool
    (C) Alloy
    (D) Plain carbon

9. The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is
    (A) Full annealing
    (B) Bright annealing
    (C) Patenting
    (D) None of these

10. Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
    (A) Conductor
    (B) Insulator
    (C) Semi-conductor
    (D) None of these

11. Gantt charts are used for streamlining the
    (A) Inventory control
    (B) Production schedule
    (C) Sales forecasting
    (D) Quality control

12. Plasma is
    (A) A high temperature neutral gas
    (B) Nothing but ionized gas
    (C) A source of steady and highest controllable pressure
    (D) Formed at very low temperature

13. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
    (A) Joule
    (B) Carnot
    (C) Rankine
    (D) Brayton

14. Heat flow across a hollow sphere of inner radius 'r1' and outer radius 'r2' is directly proportional to
    (A) (r2 - r1)/r1. r2
    (B) r1. r2/(r2 - r1)
    (C) (r2 + r1)/r1. r2
    (D) r1. r2/(r2 + r1)

15. Faraday's law of electrolysis is related to the
    (A) Cation speed
    (B) Atomic number of the cation
    (C) Equivalent mass of the electrolyte
    (D) None of these

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