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
Related Mcqs:
- The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of___________________?
A. 10 mm
B. 15 mm
C. 20 mm
D. 25 mm - An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is__________________?
A. 300 cm
B. 233 cm
C. 176 cm
D. 236 cm - The diameter of main bars in R.C.C. columns, shall not be less than________________?
A. 6 mm
B. 8 mm
C. 10 mm
D. 12 mm - An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is__________________?
A. Safe in shear
B. Is safe with stirrups
C. Is safe with stirrups and inclined members
D. Needs revision of the section - An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is_______________?
A. 8.3 kg/cm2
B. 7.6 kg/cm2
C. 21.5 kg/cm 2
D. 11.4 kg/cm2 - If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is__________________?
A. Square
B. Rectangular
C. Trapezoidal
D. Triangular - Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension_______________?
A. Two times
B. Three times
C. Four times
D. Five times - Top bars are extended to the projecting parts of the combined footing of two columns Ldistance apart for a distance of_______________?
A. 0.1 L from the outer edge of column
B. 0.1 L from the centre edge of column
C. Half the distance of projection
D. One -fourth the distance of projection - If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads______________?
A. y = L – (l – ) )
B. y = L/2 + (l –
C. y = L/2 – (l + )
D. y = L/2 – (l – ) - The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than________________?
A. 4 mm
B. 5 mm
C. 6 mm
D. 7 mm
