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
Seven times the diameter
Four times the diameter
Twice the diameter

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RCC Structures Design
If the depth of actual neutral axis of a doubly reinforced beam

Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier
All listed here
Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously
Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier

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