In limit state method, the design bond stress of M 30 grade concrete for plain b

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Question
In limit state method, the design bond stress of M 30 grade concrete for plain bars in tension, is
Options
A. l.O N/mm²
B. 1.2 N/mm²
C. 1.4 N/mm²
D. 1.5 N/mm²

Correct Answer

1.5 N/mm²

Structural Design Specifications problems

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2. Pick up the correct statement from the following:
Options
A. The effective span of a simply supported beam is clear span plus its effective depth or centre to centre of supports whichever is less
B. The effective span of a simply supported slab is clear span plus its effective depth or centre to centre of supports whichever is less
C. The effective span of a continuous beam or slab is the clear span plus its effective depth or centre to centre of supports whichever is less, provided the width of the support is less than of clear span
D. For spans with roller or rocker bearing, the effective span is the distance between the centres of bearings
E. All the above.

4. Pick up the correct statement from the following:
Options
A. Minimum turning radius of aircrafts decides the size of the apron and the radius of the curves at taxi-ends
B. Take off and landing distances for an aircraft, determine the minimum runway length
C. The length of the normal haul of the air craft decides the frequency of operation
D. All the above.

5. Pick up the correct statement from the following:
Options
A. Tar concrete pavements are suitable if fuel spillage occurs
B. Rubberised tar concrete hot blast as well as spillage
C. Epoxy asphalt concrete resists the jet fuels and provides more elastic pavement
D. Epoxy asphalt concrete sets in very small time
E. All the above.

7. Pick up the correct statement from the following:
Options
A. Net sectional area of a tension member is its gross area less deductions for holes
B. Gross diameter of river hole is 1.5 mm in excess of its normal diameter if it is greater than 25 mm
C. Gross diameter of the rivet hole is 2.0 mm in excess of its normal diameter if it is greater than 25 mm
D. The total deduction area for the holes is obtained by the product of the thickness and sum of the diameters of the holes in any chain across the member
E. All the above.

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