Practice Test: Question Set - 21
1. Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of
- (A) Brass
- (B) Copper
- (C) High carbon steel
- (D) Aluminium
2. Molten phthalic anhydride is stored in a/an __________ vessel.
- (A) Aluminium
- (B) Nickel clad steel
- (C) Lead lined steel
- (D) Glass lined steel
3. Electronic structure of a material is generally studied by
- (A) Metallurgical microscope
- (B) Electron diffraction
- (C) Spectroscopic techniques
- (D) X-ray
4. Cermets are __________ materials.
- (A) Refractory
- (B) Reinforced
- (C) Abrasive
- (D) Fully metallic
5. Vessels made of __________ can be used to store dry chlorine.
- (A) Thermoplastic materials
- (B) Nickel
- (C) Steel or iron
- (D) None of these
6. Galvanizing is not a zinc diffusion process. A zinc diffusion process is termed as
- (A) Sherardizing
- (B) Parkerising
- (C) Anodising
- (D) None of these
7. Which of the following is the easiest to bend?
- (A) Steel
- (B) Stainless steel
- (C) Cast iron
- (D) Wrought iron
8. Galvanized iron is
- (A) Harder
- (B) Protected from rusting
- (C) Alumina coated iron
- (D) None of these
9. High degree of toughness is a must for
- (A) High speed steel
- (B) Shock resisting steel
- (C) Cold work tool steel
- (D) None of these
10. Most common stainless steel type 316, which is highly resistant to corrosion contains
- (A) 16-13% Cr 10-14% Ni and 2-3% Mo
- (B) 20-22% Cr, and 8-10% Ni
- (C) 2-4% Cr, 22% NI and 2-4% Mo
- (D) None of these
11. __________ is not a case hardening process.
- (A) Carburizing
- (B) Nitriding
- (C) Cyaniding
- (D) Annealing
12. Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and
- (A) Moving mercury and graphite
- (B) Graphite and moving mercury
- (C) Moving mercury and carbon
- (D) Moving mercury and crimped steel wire
13. DDT is shipped in
- (A) Stainless steel containers
- (B) Paper bags
- (C) Fibre drums
- (D) Either (b) or (c)
14. The material of construction of pressure mills used for squeezing out the juice from sugar cane is
- (A) Stainless steel
- (B) Cast iron
- (C) Mild steel
- (D) Monel
15. Hardening of steel is not possible unless it is heated __________ critical point.
- (A) Above the highest
- (B) Above the lowest
- (C) Between the first & second
- (D) Between the second & third
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