A. 0.5 to 1%
B. 1 – 2%
C. 2.5 to 4.5%
D. 5 – 7%
E. 7-9%.
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Related Mcqs:
- 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%....
- An important property of malleable cast iron in comparison to grey cast iron is the high___________________?
- A. compressive strength B. ductility C. carbon content D. hardness E. surface finish...
- 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...
- The percentage of carbon in low carbon steel is__________________?
- A. 0.05% B. 0.15% C. 0.3% D. 0.5% E. 0.7%....
- Compressive strength of grey cast iron in tonnes/cm is of the order of___________________?
- A. 3- 5 B. 5-7 C. 7-10 D. 10-15 E. 15-22...
- The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is _______________?
- A. 770°C B. 910°C C. 1050°C D. below recrystallisation temperature E. above recrystallization temperature...
- Paramagnetic alpha iron changes to gamma iron at_______________?
- A. 770°C B. 910°C C. 1440°C D. 1539°C E. none of the above...
- In malleable iron, carbon is present in the form of___________________?
- A. cementite B. free carbon C. flakes D. spheroids E. nodular aggregates of graphite...
- 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....
- In mottled cast iron, carbon is available in__________________?
- A. free form B. combined form C. nodular form D. flat form E. partly in free and partly in combined state...
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