Materials of Construction Chemical Engineering Projects MCQ - Set 21 - ObjectiveBooks

Materials of Construction Chemical Engineering Projects MCQ - Set 21

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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