Material Selection for Reactor Design Multiple Choice Questions - Set 27 - ObjectiveBooks

Material Selection for Reactor Design Multiple Choice Questions - Set 27

Practice Test: Question Set - 27

1. Cast iron and steel pipes are produced by __________ casting.
    (A) Die
    (B) Investment
    (C) Slush
    (D) True centrifugal

2. Ceramic recuperators are generally made of
    (A) Silicon carbide
    (B) Calcium carbide
    (C) Fireclay bricks
    (D) High alumina bricks

3. Dilute sulphuric acid is transported in __________ pipes.
    (A) Mild steel
    (B) Lead
    (C) Copper
    (D) Special alloys

4. Rubber lined pumps can be used to pump
    (A) Caustic soda
    (B) Chlorinated brine
    (C) Hypochlorous acid
    (D) All (a), (b) and (c)

5. To improve the machinability of steel, it is generally subjected to
    (A) Spheroidising
    (B) Tempering
    (C) Normalizing
    (D) Annealing

6. Presence of nickel in steel improves its
    (A) Corrosion resistance
    (B) Cutting ability
    (C) Wear resistance
    (D) All (a), (b) and (c)

7. Water gas generator is made of
    (A) Carbon steel-brick lined
    (B) Stainless steel-lead lined
    (C) Cast iron
    (D) High carbon steel-porcelain lined

8. Soap kettle used in the production of laundry soap is made of
    (A) Steel with top section nickel clad or stainless steel
    (B) Cast iron
    (C) Nickel
    (D) Concrete

9. Cold worked steel parts are normally subjected to
    (A) Normalizing
    (B) Hardening
    (C) Annealing
    (D) Shot peening

10. Cast irons are generally specified by their
    (A) Carbon content
    (B) Tensile strength
    (C) Hardness
    (D) Manufacturing process

11. Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of
    (A) Rubber lined mild steel
    (B) Lead lined mild steel
    (C) Aluminium
    (D) Cast iron

12. Mild steel is used for making
    (A) Fish plates
    (B) Die block
    (C) Channels
    (D) Drop forging

13. Lead alone is not used in storing equipment, because it
    (A) Is very costly
    (B) Corrodes easily
    (C) Is having low creep strength
    (D) None of these

14. Refined acetic acid storage vessel are made of
    (A) Copper
    (B) Aluminium
    (C) High carbon steel
    (D) Nickel

15. Slow and progressive deformation of a material with time under constant stress is called
    (A) Creep
    (B) Erosion
    (C) Resilience
    (D) None of these

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