If Sb, is the average bond stress on a bar of diameter d subjected to maximum st

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If S_b, 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
Options
A.
B.
C.
D.
E.

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3. P is the prestressed force applied to the tendon of a rectangular prestressed beam whose area of cross section is A and sectional modulus is Z. The maximum stress f in the beam, subjected to a maximum bending moment M, is
Options
A.
B.
C.
D.
E.

4. In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
Options
A. less loaded column
B. more loaded column
C. a point equidistant from either column
D. a point of the maximum shear force
E. a point of zero shear force.

5. If the shear stress in a R.C.C. beam is
Options
A. equal or less than 5 kg/cm², no shear reinforcement is provided
B. greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided
C. greater than 20 kg/cm², the size of the section is changed
D. all the above.

8. The minimum clear cover for R.C.C. columns shall be
Options
A. greater of 40 mm or diameter
B. smaller of 40 mm or diameter
C. greater of 25 mm or diameter
D. smaller of 25 mm or diameter

9. The thickness of the flange of a Tee beam of a ribbed slab is assumed as
Options
A. width of the rib
B. depth of the rib
C. thickness of the concrete topping 0d) half the thickness of the rib
D. twice the width of the rib.

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