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

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

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RCC Structures Design
If the shear stress in a R.C.C. beam is

Greater than 20 kg/cm², the size of the section is changed
All of these
Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided
Equal or less than 5 kg/cm², no shear reinforcement is provided

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