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Q: The steel generally used in R.C.C. work, is
  • A. mild steel
  • B. high carbon steel
  • C. high tension steel
  • D. Stainless
Correct Answer: Option A - Mild steel generally used in RCC work. • Mild steel with carbon content of about 0.10-0.25% is widely used in structural work. Carbon content– Carbon assists in increasing the hardness and strength of steel, but decreases the ductility of steel.
A. Mild steel generally used in RCC work. • Mild steel with carbon content of about 0.10-0.25% is widely used in structural work. Carbon content– Carbon assists in increasing the hardness and strength of steel, but decreases the ductility of steel.

Explanations:

Mild steel generally used in RCC work. • Mild steel with carbon content of about 0.10-0.25% is widely used in structural work. Carbon content– Carbon assists in increasing the hardness and strength of steel, but decreases the ductility of steel.