Sustainable Construction Materials Questions & Answers - Set 06 - ObjectiveBooks
Sustainable Construction Materials Questions & Answers - Set 06

Sustainable Construction Materials Questions & Answers - Set 06

Practice Test: Question Set - 06

1. Nitriding of steel is a process for
    (A) Case hardening
    (B) Spheroidising
    (C) Normalizing
    (D) Annealing
2. Hydrochloric acid is stored in a __________vessel.
    (A) Lead lined steel
    (B) Rubber lined steel
    (C) Stainless steel
    (D) Cast iron
3. As the impurities are oxidized, the melting point of iron
    (A) Decreases
    (B) Remains unchanged
    (C) Increases
    (D) May increase or decrease; unpredictable
4. High speed cutting tool steels contain about __________ percent of tungsten.
    (A) 6-8
    (B) 18-20
    (C) 30-35
    (D) 50-55
5. Biological shield in a nuclear power reactor is made of
    (A) Concrete
    (B) Steel
    (C) Cadmium
    (D) Zircaloy
6. The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.
    (A) Brass for low
    (B) Nickel alloys for high
    (C) Both 'a' & 'b'
    (D) Aluminium for all
7. Combination of metals and ceramics are called
    (A) Metalloy
    (B) Cermets
    (C) Pellets
    (D) Non-crystalline ceramics
8. Mixing vessel used for the chlorination of methane to produce methyl chloride is made of
    (A) Copper
    (B) Cast iron
    (C) Aluminium
    (D) High carbon steel
9. Dry chlorine can be handled in a vessel made of
    (A) Iron or steel
    (B) PVC
    (C) Nickel
    (D) Brass
10. Inconel is an alloy of
    (A) Tin, zinc and nickel
    (B) Iron, nickel and chromium
    (C) Copper and nickel
    (D) Copper and tin
11. Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a
    (A) Cermet
    (B) Glass
    (C) Thermosetting plastic
    (D) Metallic alloy
12. Wrought iron is a suitable material of construction for handling __________ solutions.
    (A) Dilute acidic
    (B) Concentrated acidic
    (C) Alkalis & alkaline
    (D) None of these
13. Galvanizing is generally done on
    (A) Non-ferrous metals
    (B) Low carbon steel
    (C) Stainless steel
    (D) Cast iron
14. Which one has the maximum tensile strength out of the following?
    (A) Nodular cast iron
    (B) Pig iron
    (C) White cast iron
    (D) Grey cast iron
15. Wrought iron is a suitable material of construction for handling __________ solutions.
    (A) Dilute acidic
    (B) Concentrated acidic
    (C) Alkalis & alkaline
    (D) None of these
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