Engineering Materials Objective Questions with Answers - Set 18 - ObjectiveBooks

Engineering Materials Objective Questions with Answers - Set 18

Practice Test: Question Set - 18

1. The electric process of steel making is especially adapted to
    (A) Alloy and carbon tool steel
    (B) Magnet steel
    (C) High speed tool steel
    (D) All of these

2. The basic constituents of Hastelloy are
    (A) Aluminium, copper etc.
    (B) Nickel, molybdenum etc.
    (C) Nickel, Copper, etc.
    (D) All of the above

3. German silver contains
    (A) 1% silver
    (B) 2% silver
    (C) 5% silver
    (D) No silver

4. Basic constituents of Monel metal are
    (A) Nickel, copper
    (B) Nickel, molybdenum
    (C) Zinc, tin, lead
    (D) Nickel, lead and tin

5. An alloy of copper, tin and zinc is known as
    (A) Brass
    (B) Bronze
    (C) Gun metal
    (D) Muntz metal

6. German silver is an alloy of
    (A) Silver and some impurities
    (B) Refined silver
    (C) Nickel, Copper and zinc
    (D) Nickel and copper

7. Quenching is not necessary when hardening is done by
    (A) Case hardening
    (B) Flame hardening
    (C) Nitriding
    (D) Any one of these

8. Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is
    (A) Silver metal
    (B) Duralumin
    (C) Hastelloy
    (D) Invar

9. The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is
    (A) Chromium
    (B) Nickel
    (C) Vanadium
    (D) Cobalt

10. A cold chisel is made of
    (A) Mild steel
    (B) Cast iron
    (C) H.S.S.
    (D) High carbon

11. Blast furnace is used to produce
    (A) Pig iron
    (B) Cast iron
    (C) Wrought iron
    (D) Steel

12. An engineer's hammer is made of
    (A) Cast iron
    (B) Forged steel
    (C) Mild steel
    (D) High carbon steel

13. The blade of a power saw is made of
    (A) Boron steel
    (B) High speed steel
    (C) Stainless steel
    (D) Malleable cast iron

14. Inconel is an alloy of
    (A) Nickel, chromium and iron
    (B) Nickel, copper
    (C) Nickel, Chromium
    (D) Nickel, zinc

15. The strength is the ability of a material to resist
    (A) Deformation under stress
    (B) Externally applied forces with breakdown or yielding
    (C) Fracture due to high impact loads
    (D) None of these

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