Materials of Construction Process Design MCQ Questions - Set 32 - ObjectiveBooks

Materials of Construction Process Design MCQ Questions - Set 32

Practice Test: Question Set - 32


1. Mercury is transported in metal containers made of
    (A) Aluminium
    (B) Iron
    (C) Lead
    (D) Nickel

2. The heat treatment process to which castings and the steel balls produced by cold heading are subjected is
    (A) Tempering
    (B) Normalizing
    (C) Annealing
    (D) None of these

3. The fermenter used for the production of ethyl alcohol from molasses is made of
    (A) Wood
    (B) Concrete
    (C) Copper bearing steel
    (D) Porcelain

4. Hardest material so far found is
    (A) Diamond
    (B) Graphite
    (C) Carborundum
    (D) Pumice stone

5. Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si)
    (A) Do not require heat treatment for any of its applications
    (B) Are used for leaf and coiled springs
    (C) Do not have good resilience properties
    (D) Is tempered at 850°C

6. Which of the following alloys does not contain nickel?
    (A) Chloro, et-2 alloy
    (B) Monel
    (C) Inconel
    (D) Babbitt metal

7. __________ is never shipped in glass carboys.
    (A) Ammonia
    (B) Acetic acid
    (C) Phenol
    (D) Formaldehyde

8. The carbonating tower used in Solvay process of soda ash manufacture is made of
    (A) Cast iron
    (B) Stainless steel
    (C) Karbate
    (D) Lead lined steel

9. Interchain forces are the weakest in case of
    (A) Plastics
    (B) Fibres
    (C) Elastomers
    (D) Both rubber & elastomers

10. The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.
    (A) Precipitation
    (B) Fusion
    (C) Sintering
    (D) Agglomeration

11. Which of the following heat treatment processes is used for softening the hardened material?
    (A) Normalizing
    (B) Tempering
    (C) Annealing
    (D) None of these

12. In order to be called steel, an alloy should have iron percentage greater than
    (A) 80
    (B) 70
    (C) 90
    (D) 50

13. Carbon percentage in medium carbon steel is around
    (A) 0.1 to 0.35
    (B) 0.35 to 0.5
    (C) 0.8 to 1.4
    (D) 1 to 1. 5

14. Ammonium chloride solution is stored/ treated in __________ vessels/pipes.
    (A) Plain carbon steel
    (B) Stainless steel
    (C) Rubber or durmet-20 lined
    (D) Lead

15. Which of the following alloys does not contain nickel?
    (A) Chlorinet - 2 alloy
    (B) Monel
    (C) Inconel
    (D) Babbitt metal

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