A. 0.1%
B. 0.2%
C. 0.4%
D. 0.6%
E. 0.8%
Related Mcqs:
- The percentage of carbon in low carbon steel is__________________?
A. 0.05%
B. 0.15%
C. 0.3%
D. 0.5%
E. 0.7%. - 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%. - Thermal efficiency of well maintained boiler will be of the order___________________?
A. 20%
B. 40%
C. 50%
D. 75%
E. 90% - Heavy duty leaf and coil spring* contain carbon of the following order ________________?
A. 0.2%
B. 0.5%
C. 0.8%
D. 1.0%
E. 1.5%. - Large forgings, crank shafts, axles normally contain carbon up to________________?
A. 0.05 to 0.20%
B. 0.20 to 0.45%
C. 0.45 to 0.55%
D. 0.55 to 1.0%
E. 1.0 to 1.2%. - Drop forging dies contain carbon of the order of_________________?
A. 0.1 to 0.2%
B. 0.25 to 0.5%
C. 0.6 to 0.7%
D. 0.7 to 0.9%
E. 1.0 to 1.2%. - 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 - 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 - Which of the following alloys does not contain tin_________________?
A. white metal
B. solder admiralty
C. fusible metal
D. phosphor bronze
E. gun metal - Materials after cold working are subjected to following process to relieve stresses__________________?
A. hot working
B. tempering
C. normalising
D. annealing
E. special heat treatment
