Maximum percentage of carbon in austenite is______________?

Related Mcqs:

1. The percentage of carbon in low carbon steel is__________________?

   A. 0.05% B. 0.15% C. 0.3% D. 0.5% E. 0.7%....

2. Austenite rs a combination of_________________?

   A. ferrite and cementite B. cementite and gamma iron C. ferrite and austenite D. ferrite and iron graphite E. pearlite and ferrite...

3. Maximum percentage of carbon in ferrite is___________________?

   A. 0.025% B. 0.06% C. 0.1% D. 0.25% E. 0.8%....

4. High carbon steel carries carbon %age c_________________?

   A. 0.1 to 0.3% B. 0.3 to 0.6% C. 0.6 to 0.8% D. 0.8 to 1.5% E. 1.5 to 2.5%....

5. The percentage of carbon in grey iron castings usually varies between __________________?

   A. 0.5 to 1% B. 1 – 2% C. 2.5 to 4.5% D. 5 – 7% E. 7-9%....

6. The percentage of carbon in pig iron varies from___________________?

   A. 0.1 to 1.2% B. 1.5 to 2.5% C. 2.5 to 4% D. 4 to 4.5% E. 4.5 to 6.3%....

7. In the case of petrol engine at maximum output, the percentage of CO in exhaust gases is ____________________?

   A. Zero B. 5-10% C. Depends on load and quality of fuel D. Considerable percent...

8. In grey cast iron, carbon is present in the form of____________________?

   A. cementite B. free carbon C. flakes D. spheroids E. nodular aggregates of graphite...

9. White cast iron contains carbon in the form of__________________?

   A. free carbon B. graphite C. cementite D. white carbon E. ferrite...

10. Carbon in iron is an example of__________________?

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