A. 0.05%
B. 0.15%
C. 0.3%
D. 0.5%
E. 0.7%.
Related Mcqs:
- 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%. - The ultimate tensile strength of low carbon steel by working at a high strain rate will_________________?
A. decrease
B. increase
C. remain constant
D. first increase and then decrease
E. first decrease and then increase - Carbon steel is_______________?
A. made by adding carbon in steel
B. refined from cast iron
C. an alloy of iron and carbon with varying quantities of phosphorus and sulphur
D. extensively used for making cutting tools
E. extremely brittle - 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% - 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%. - Maximum percentage of carbon in austenite is______________?
A. 0.025%
B. 0.26%
C. 0.8%
D. 1.25%
E. 1.7%. - Maximum percentage of carbon in ferrite is___________________?
A. 0.025%
B. 0.06%
C. 0.1%
D. 0.25%
E. 0.8%. - 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%. - Eutectoid steel contains following percentage of carbon_______________?
A. 0.02%
B. 0.3%
C. 0.63%
D. 0.8%
E. 1.2%. - Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is__________________?
A. silver metal
B. duralumin
C. Hastelloy
D. monel metal
E. invar
