Metals ITI Machinist Multiple Choice Questions and Answers - Set 01 - ObjectiveBooks

Metals ITI Machinist Multiple Choice Questions and Answers - Set 01

Practice Test: Question Set - 01


1. Cast iron is used for manufacturing machine beds because
    (A) It can resist more compressive stress
    (B) It is heavy in weight
    (C) It is a cheaper metal
    (D) It is a brittle metal

2. Muntz metal is an alloy of
    (A) Copper and zinc
    (B) Copper and tin
    (C) Copper and aluminium
    (D) Copper and nickel

3. Galvanized iron is coated with
    (A) Tin
    (B) Zinc
    (C) Lead
    (D) Copper

4. Which one of the following alloys can resist saltwater corrosion?
    (A) Brass
    (B) Gun metal
    (C) Zinc alloy
    (D) Nickel chrome alloy

5. Increase of carbon content in steel results in
    (A) Increase in hardness
    (B) Increase in malleability
    (C) Increase in ductility
    (D) Increase in strength

6. Crane hooks are made of
    (A) Wrought iron
    (B) High Carbon steel
    (C) Cast steel
    (D) Cast iron

7. Which one of the following properties of a metal has the ability to change its shape without destruction under the influence of external force?
    (A) Plasticity
    (B) Elasticity
    (C) Stiffness
    (D) Malleability

8. Which of these metals is liquid at room temperature?
    (A) Beryllium
    (B) Lithium
    (C) Mercury
    (D) Osmium

9. The ability of a metal to be drawn into wire is a measure of its
    (A) Ductility
    (B) Toughness
    (C) Malleability
    (D) Hardness

10. Which metal is most abundant in earth's crust?
    (A) Calcium
    (B) Sodium
    (C) Aluminium
    (D) Iron

11. Gun metal is an alloy of copper,
    (A) Tin and zinc
    (B) Lead and zinc
    (C) Zinc and nickel
    (D) Lead and nickel

12. The filaments of lamp bulbs are made of
    (A) Nickel
    (B) Chromium
    (C) Tungsten
    (D) Tin

13. Most metals have
    (A) High electronegativity
    (B) Low electronegativity
    (C) Small atomic radii
    (D) High ionization energies

14. Which one of the following is the resistance of a metal to elastic deformation?
    (A) Ductility
    (B) Strength
    (C) Stiffness
    (D) Toughness

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