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Q: .
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  • A. A rectangle whose height is equal to the effective span
  • B. A rectangle whose height is equal to the height of the slab above lintel
  • C. A rectangle whose height is equal to the height of the wall above the lintel
  • D. Equilateral triangle of side L and the load between lintel and slab
Correct Answer: Option D - A lintel is a horizontal member which is placed across an opening to support the portion of the structure above it. The function of the lintel is same as that of an arch or beam. The weight of brickwork which considered to be acted on the lintel is maximum size of equilateral triangle which can be formed between lintel & slab. The brickwork above this equilateral triangle is assumed to be self-supporting.
D. A lintel is a horizontal member which is placed across an opening to support the portion of the structure above it. The function of the lintel is same as that of an arch or beam. The weight of brickwork which considered to be acted on the lintel is maximum size of equilateral triangle which can be formed between lintel & slab. The brickwork above this equilateral triangle is assumed to be self-supporting.

Explanations:

A lintel is a horizontal member which is placed across an opening to support the portion of the structure above it. The function of the lintel is same as that of an arch or beam. The weight of brickwork which considered to be acted on the lintel is maximum size of equilateral triangle which can be formed between lintel & slab. The brickwork above this equilateral triangle is assumed to be self-supporting.