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RCC Structures Design

Q1: The horizontal portion of a step in a stairs case, is known as

A rise

B flight

C winder

D tread.

ANS:D - tread.

The horizontal portion of a step in a staircase is known as the "tread." Explanation:

  • The "tread" is the flat, horizontal surface of a step where the foot rests while ascending or descending the staircase.
  • It provides the area on which a person places their foot while using the stairs.
  • The vertical portion of a step is called the "riser."
  • "Flight" refers to a continuous series of steps between two landings.
  • "Winder" refers to steps that are narrower on one side than the other, allowing a staircase to change direction without the use of a landing.
Therefore, the correct term for the horizontal portion of a step is the "tread."



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