Basic Principles and Calculations Chemical Engineering Solutions - Set 52 - ObjectiveBooks

Basic Principles and Calculations Chemical Engineering Solutions - Set 52

Practice Test: Question Set - 52


1. The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporization as 43723 J/gm.mole, its fugacity at 300 K would be
    (A) 3171 Pa
    (B) 3567 Pa
    (C) 1.01 × 105 Pa
    (D) 5000 Pa

2. Which of the following pairs is not correctly matched?
    (A) Uranium - 233 : Fertile material
    (B) Binding energy : Mass defect
    (C) Scattering: Absorption cross-section
    (D) Number of nucleons : Mass number

3. The most abundant metal present in the earth's crust is;
    (A) Iron
    (B) Copper
    (C) Titanium
    (D) Aluminium

4. Constituents of stellite are
    (A) Zinc, copper & nickel
    (B) Cobalt, chromium & tungsten
    (C) Zinc, aluminium & nickel
    (D) Nickel, cobalt & vanadium

5. A material being tested for endurance strength is subjected to the __________ load.
    (A) Impact
    (B) Completely reversed
    (C) Dynamic
    (D) Static & dynamic

6. Which of the following contributes maximum as main source of sulphur in the blast furnace charge?
    (A) Sinter
    (B) Coke
    (C) Iron ore
    (D) Limestone

7. Notched bar test is used for testing the __________ of a material.
    (A) Impact strength
    (B) Endurance limit
    (C) Machinability
    (D) Corrosion resistance

8. L.D. (Linz-Donawitz) converter is used in the production of
    (A) Copper
    (B) Steel
    (C) Zinc
    (D) Aluminium

9. The unit of gc is
    (A) lbm/lbf. ft/sec2
    (B) lbf/lbm. ft/sec2
    (C) ft/sec2
    (D) lbm/lbf. sec2/ft

10. Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.
    (A) 746
    (B) 3000
    (C) 1000
    (D) 550

11. More than 95% of __________ is present in corundum.
    (A) SiO2
    (B) Al2O3
    (C) CaSiO2
    (D) MgO

12. One of the methods of purification of leach liquor is ion exchange, which involves
    (A) Exchange between two liquid phases
    (B) Exchange between a gaseous phase and a liquid phase
    (C) Exchange between a liquid phase and an organic resin phase
    (D) Exchange between a solid phase and a gas phase

13. Silicon percentage in acid resistant cast iron is about
    (A) 4
    (B) 8
    (C) 14
    (D) 20

14. The property of material, by which a given amount of energy is absorbed by it, without plastic deformation, is called
    (A) Resilience
    (B) Toughness
    (C) Ductility
    (D) Impact strength

15. Calorific value of __________ are almost same.
    (A) Lignite & anthracite coal
    (B) Lignite & coal gas
    (C) Petrol & diesel
    (D) Coal gas & natural gas

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