WorksheetsProperties of Metal (Steel)
Total questions: 10
Worksheet time: 5mins
What is steel made of?
Iron and Zinc
Zinc and Carbon
Iron and Carbon
Iron and Aluminium
What is the carbon content of cast iron?
0.15%
0.15% - 0.25%
0.50% - 1.50%
3% - 4%
Which of the following is the result of a reduction in pearlite percentage of steel?
High yield strength
An increase in tensile strength
No significant effect on the yield strength
A rise in the impact transition temperature
Which of the following describes high carbon steel?
0.15%
0.15% - 0.25%
0.50% - 1.50%
3% - 4%
Why is steel economical?
Due to its many applications
Due to its uniform properties
Due to its availability around the world
Due to its high strength-to-weight ratio
In the periodic table, what is the symbol of iron?
I
Rn
Fe
Fr
Which statement of heat treatment is correct for annealing?
Strengthens the steel
Cooled at a very fast rate
Temperature below 700°C
Internal stresses are removed
What is the process if the steel is heated above critical temperature, but more rapid cooling in air?
Welding
Soldering
Annealing
Normalizing
Which heat treatment gives hardened steel increased in ductility with only slight loss of strength?
Soldering
Annealing
Normalizing
Quenching and Tempering
Identify the THREE (3) tensile properties of mild steel from the stress-strain curve above in correct order.
Yield point, Ultimate strength, Breaking point
Yield point, Breaking point, Ultimate strength
Breaking point, Yield point, Ultimate strength
Breaking point, Ultimate strength, Yield point
