Material of Construction in Chemical Engineering MCQ Test Questions - Set 33 - ObjectiveBooks
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Material of Construction in Chemical Engineering MCQ Test Questions - Set 33

Practice Test: Question Set - 33


1. With increase in carbide/graphite ratio in cast iron, its
    (A) Hardness & brittleness increases
    (B) Ductility decreases
    (C) Both (a) and (b)
    (D) Neither (a) nor (b)

2. Aluminium storage vessel can be used to store
    (A) Aqua regia
    (B) Ferrous sulphate
    (C) Hydrochloric acid (10%)
    (D) None of these

3. Sulphuric acid pickling tanks are lined with
    (A) Nickel
    (B) Rubber
    (C) Aluminium
    (D) Glass

4. __________ possesses viscoelastic properties.
    (A) Cork
    (B) Glass
    (C) Graphite
    (D) Rubber

5. Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of
    (A) Nickel
    (B) Copper
    (C) Stainless steel
    (D) Brass

6. The range of Mho's scale of hardness is from
    (A) 1 to 15
    (B) 1 to 8
    (C) 1 to10
    (D) 0 to 10

7. Nickel and copper are the basic constituents of
    (A) Hastelloy
    (B) Monel metal
    (C) German silver
    (D) Inconel

8. Which one contains the least percentage of carbon?
    (A) Wrought iron
    (B) High speed steel
    (C) Cast iron
    (D) Pig iron

9. Low carbon steels are those in which carbon percentage is around
    (A) 0.1 to 0.35
    (B) 0.4 to 0.7
    (C) 0.8 to 1.5
    (D) 1.5 to 2

10. Addition of 2% nickel in steel makes it suitable for making
    (A) Electronic valves
    (B) Boiler plates, rivets etc.
    (C) Turbine blades
    (D) Connecting rod

11. Ceramic materials are
    (A) Organic in nature
    (B) Stronger in compression than in tension
    (C) Always amorphous in nature
    (D) Always bad heat conductors

12. Plastics are
    (A) Used in very high temperature applications
    (B) Non-biodegradable
    (C) Not suitable for drainage pipe manufacture
    (D) All (a), (b) & (c)

13. In hot wire anemometer used for gas flow measurement, the wire is normally made of
    (A) Copper
    (B) Platinum
    (C) Constantan
    (D) Chromium

14. SO3 is absorbed using H2SO4 in a
    (A) Cast iron packed tower
    (B) Stainless steel plate tower
    (C) Packed steel tower lined with acid proof bricks
    (D) None of these

15. Stainless steel is not corroded by
    (A) Hydrochloric acid (10%)
    (B) Nitric acid (10%)
    (C) Sulphuric acid (10%)
    (D) Saturated brine

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