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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