RCC Structures Design
The length of the straight portion of a bar beyond the end of the hook, should be at least

Thrice the diameter
Four times the diameter
Twice the diameter
Seven times the diameter

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RCC Structures Design
An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus

Triangular load of the wall
UDL of wall + load from the roof
Triangular load + load from the roof
UDL of wall

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