RCC Structures Design
If Sb, is the average bond stress on a bar of diameter ‘d’ subjected to maximum stress ‘t’, the length of the embedment ‘l’ is given by

l = dt/4Sb
l = dt/2Sb
l = dt/Sb
l = dt/3Sb

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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

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

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RCC Structures Design
The spacing of transverse reinforcement of column is decided by the following consideration.

The least lateral dimension of the column
Forty-eight times the diameter of transverse reinforcement
All listed here
Sixteen times the diameter of the smallest longitudinal reinforcing rods in the column

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RCC Structures Design
Pick up the assumption for the design of a pre-stressed concrete member from the following:

A transverse plane section remains a plane after bending
Variation of stress in reinforcement due to changes in external loading is negligible
All listed here
During deformation limits, Hook's law is equally applicable to concrete as well as to steel

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