Practice Test: Question Set - 03
1. Metals process physical and mechanical properties. Which one of the following is a physical property of metals?
- (A) Fusibility
- (B) Tenacity
- (C) Ductility
- (D) Malleability
2. Monel metal contains
- (A) Nickel and
aluminium
- (B) Nickel and
copper
- (C) Nickel
and chromium
- (D) Nickel and
zinc
3. Metals which burn on exposure to air are best stored
- (A) Under water
- (B) Under
alcohol
- (C) Under
vinegar
- (D) Under
kerosene
4. Brass is an alloy of
- (A) Copper and
tin
- (B) Lead and tin
- (C) Copper and
zinc
- (D) Copper and
silver
5. Which among the following is the lightest metal?
- (A) Lead
- (B) Tin
- (C) Aluminium
- (D) Copper
6. Bronze is an alloy of
- (A) Copper and
tin
- (B) Lead and tin
- (C) Copper and
zinc
- (D) Copper and
lead
7. Which one of the following metals is corrosion-resistant?
- (A) Aluminium
- (B) Tin
- (C) Copper
- (D) Mild steel
8. Which one of the following is the capacity of a metal to withstand destruction under the action of external loads?
- (A) Stiffness
- (B) Strength
- (C) Toughness
- (D) Ductility
9. Desirable hardness in a file is generally
- (A) 30 HRC
- (B) 45 HRC
- (C) 60 HRC
- (D) 80 HRC
10. Which one among the following properties of a metal is the property by which resistance is offered to fracture by repeated bending or twisting?
- (A) Brittleness
- (B) Stiffness
- (C) Toughness
- (D) Malleability
11. Rust is formed from iron and which other element?
- (A) Hydrogen
- (B) Nitrogen
- (C) Oxygen
- (D) Sulphur
12. In its simplest form, bronze is an alloy of which metals?
- (A) Copper and
tin
- (B) Copper and
zinc
- (C) Copper, zinc
and nickel
- (D) Copper, tin
and lead
13. Which one among the following properties of metal is the power of return to its original shape after deformation when the load is removed?
- (A) Ductility
- (B) Malleability
- (C) Stiffness
- (D) Elasticity
14. The alloys 'Duralumin' and 'Hindalium' contains 95% of
- (A) Copper
- (B) Zinc
- (C) Lead
- (D) Aluminium
Next Tests: