Structural steel contains following principal alloying elements__________________?

Related Mcqs:

1. Elinvar, an alloy used in precision instruments, hair springs for watches, etc. contains the following element as principal alloying element__________________?

   A. iron B. copper C. aluminium D. zinc E. nickel...

2. Eutectoid steel contains following percentage of carbon_______________?

   A. 0.02% B. 0.3% C. 0.63% D. 0.8% E. 1.2%....

3. Which of the following has highest specific strength of all structural materials__________________?

   A. magnesium alloys B. titanium alloys C. chromium alloys D. magnetic steel alloys E. none of the above...

4. Argentite is the principal ore or raw material for _________________?

   A. aluminium B. tin C. zinc D. lead E. silver...

5. Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio _____________________?

   A. 50 : 20 : 20 : 10 B. 40 : 30 : 20 : 10 C. 50 : 20 : 10 : 20 D. 30 : 20 : 30 : 20 E. 50 : 10 : 20 : 20...

6. 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...

7. Mild steel belongs to the following category___________________?

   A. low carbon steel B. medium carbon steel C. high carbon steel D. alloy steel E. special steel...

8. Cold rolled steel sheets contain carbon of the following order___________________?

   A. 0.1% B. 0.2% C. 0.4% D. 0.6% E. 0.8%...

9. If a refractory contains high content of silicon, it means refractory is__________________?

   A. acidic B. basic C. neutral D. brittle E. none of the above...

10. 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...