Bronze contains_____________________?

Related Mcqs:

1. Bell metal contains_____________________?

   A. 70% copper and 30% zinc B. 90% copper and 10% tin C. 85-92% copper and rest tin with little lead and nickel D. 70-75% copper and rest tin E. 70-75% copper and rest zinc and tin...

2. Aluminium bronze contains__________________?

   A. 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe B. 92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg C. 10% aluminium and 90% copper D. 90% magnesium and 9% aluminium with some copper E. 10% aluminium and 90% tin...

3. Phosphor bronze contains____________________?

   A. 0.5% of phosphorous B. 1% phosphorous C. 2.5% phosphorous D. 5% phosphorous E. none of the above...

4. Aluminium bronze contains aluminium and copper in the ratio of___________________?

   A. 50 : 50 B. 40 : 60 C. 60 : 40 D. 10 : 90 E. 90 : 10...

5. The crystal of alpha iron is ____________________?

   A. body centred cubic B. face centred cubic C. hexagonal close packed D. cubic structure E. orthorhombic crystal...

6. Process of austempering results in__________________?

   A. formation of bainite structure B. carburised structure C. martenistic structure D. lamellar layers of carbide distributed throughout the structure E. relieving of stresses throughout a component...

7. An example of amorphous material is____________?

   A. zinc B. lead C. silver D. glass E. brass...

8. Railway rails are normally made of_______________?

   A. mild steel B. alloy steel C. high carbon D. tungsten steel E. cast iron steel...

9. The ultimate tensile strength of low carbon steel by working at a high strain rate will_________________?

   A. decrease B. increase C. remain constant D. first increase and then decrease E. first decrease and then increase...

10. Which of the following is not the correct method of increasing fatigue limit __________________?

    A. shot peening B. nitriding of surface C. cold working D. surface decarburisation E. under-stressing...