Which of the following alloys does not have copper as one of the constituents________________?

Related Mcqs:

1. Which of the following alloys does not contain tin_________________?

   A. white metal B. solder admiralty C. fusible metal D. phosphor bronze E. gun metal...

2. Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio_________________?

   A. 50 : 50 B. 30 : 70 C. 70 : 30 D. 40 : 60 E. 60 : 40...

3. Brass (alloy of copper and zinc) is an example of__________________?

   A. substitutional solid solution B. interstitial solid solution C. intermetallic compounds D. all of the above E. none of the above...

4. Addition of copper to aluminium results in_____________________?

   A. improvement of casting characteristics B. improvement of corrosion resistance C. one of the best known age and precipitation-hardening systems D. improving machinability E. none of the above...

5. Muntz metal contains copper and zinc in the ratio of________________?

   A. 50 : 50 B. 40 : 60 C. 60 : 40 D. 20 : 80 E. 80 : 20...

6. 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...

7. Which of the following elements does not impart hardness to steel__________________?

   A. copper B. chromium C. nickel D. silicon E. none of the above...

8. Mercury does not wet glass. This is due to property of liquid known as__________________?

   A. adhesion B. cohesion C. surface tension D. viscosity E. compressibility...

9. In which of the following cases, consideration of creep is important_________________?

   A. flywheel of steam engine B. cast iron pipes” C. cycle chains D. gas turbine blades E. piston I.C. engine...

10. The surface hardness of the following order is achieved by nitriding operation__________________?

    A. 600 VPN B. 1500 VPN C. 1000 to 1100 VPN D. 250 VPN E. 2000 VPN...