A. 3.8
B. 5.2
C. 4.8
D. 4.3
Related Mcqs:
- White cast iron as compared to grey cast iron is ________________?
A. More durable
B. Very brittle
C. Very hard
D. All A., B. & C. - Carbon content in plain carbon steel is ______________ percent?
A. 0.1 to 0.15
B. 0.35 to 0.45
C. 0.65 to 0.80
D. 0.85 to 1.2 - The impure iron (pig iron) that is tapped out from blast furnace contains about _____________ percent carbon?
A. 0.2
B. 2
C. 4
D. 8 - Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
A. Nuts
B. Bolts
C. Chisels
D. Studs - Carbon percentage is the same in cast iron and_________________?
A. Wrought iron
B. Pig iron
C. Mild steel
D. High silicon (14%) iron - Maximum permissible sulphur content in steel is ______________ percent?
A. 0.015
B. 0.055
C. 0.505
D. 0.805 - Carbon content in steel is ___________________ percent?
A. 0.1-2
B. 4-6
C. 2-4
D. 0.001-0.01 - Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is _____________ percent?
A. 0.02
B. 0.2
C. 0.35
D. 0.5 - High carbon steel contains more than _____________ percent carbon?
A. 0.5
B. 2.2
C. 2.5
D. 2.8 - Cast iron is a ______________ material?
A. Brittle
B. Ductile
C. Tough
D. Malleable