What Materials are Typically Used in Construction Questions Answers - Set 31 - ObjectiveBooks

What Materials are Typically Used in Construction Questions Answers - Set 31

Practice Test: Question Set - 31


1. Nickel is a constituent of
    (A) Bronze
    (B) Solder
    (C) Duralumin
    (D) Monel metal

2. Which of the following has the least carbon percentage?
    (A) Low carbon steel
    (B) Mild steel
    (C) Wrought iron
    (D) White cast iron

3. Plate and frame filter press is usually made of
    (A) Mild steel
    (B) Cast iron
    (C) Stainless steel
    (D) Galvanized iron

4. The preferred material of construction for storage tanks for 98% sulphuric acid is
    (A) Aluminium
    (B) Lead
    (C) Stainless steel 316
    (D) Mild steel

5. The most resistant material to alkaline corrosion is
    (A) Duriron
    (B) Nickel
    (C) Aluminium
    (D) Karbate

6. Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
    (A) Concrete
    (B) Steel
    (C) Zircaloy
    (D) Graphite

7. Which of the following is the lightest of engineering metals?
    (A) Magnesium
    (B) Aluminium
    (C) Titanium
    (D) Tin

8. In drop forging process, the forging is done by dropping the __________ at high velocity.
    (A) Hammer
    (B) Workpiece
    (C) Die with hammer
    (D) Weight on hammer

9. For platinum thermocouples, lead wires are made of
    (A) Copper & copper-nickel alloys
    (B) Copper & iron
    (C) Iron & nickel
    (D) Tin & nickel

10. The softest material just next to talc in the Mhos scale is
    (A) Quartz
    (B) Gypsum
    (C) Feldspar
    (D) Fluorite

11. Which of the following is the hardest?
    (A) Cementite
    (B) Pearlite
    (C) Austenite
    (D) Ferrite

12. Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C?
    (A) Silicone rubber, teflon, porcelain and wood
    (B) Nickel, monel, stainless steel and graphite
    (C) Aluminium, copper, high silicon iron
    (D) Brass, cast iron, mild steel and tin

13. Which is an amorphous material?
    (A) Glass
    (B) Mica
    (C) Brass
    (D) Cast iron

14. Lead
    (A) Is the hardest metal in common use
    (B) Is the lightest metal in common use
    (C) Cannot be scratched by finger nails
    (D) Cannot be work hardened

15. Which of the following has the highest density and the lowest melting point?
    (A) Stainless steel
    (B) Titanium
    (C) Lead
    (D) Aluminium

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