A very comfortable type of stairs is_______________?
(A) Straight
(B) Dog legged
(C) Geometrical
(D) Open newel
For a ribbed slab______________?
(A) Clear spacing between ribs shall not be greater than 4.5 cm
(B) Width of the rib shall not be less than 7.5 cm
(C) Overall depth of the slab shall not exceed four times the breadth of the rib
(D) All the above
Minimum spacing between horizontal parallel reinforcement of the same size should not be less than________________?
(A) One diameter
(B) 2.5 diameters
(C) 3 diameters
(D) 3.5 diameters
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
The design of heel slab of a retaining wall is based on the maximum bending moment due to______________?
(A) Its own weight
(B) Weight of the soil above it
(C) Load of the surcharge, if any
(D) All the above
The minimum clear cover for R.C.C. columns shall be_________________?
(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
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_______________?
(A) Triangular load of the wall
(B) UDL of wall
(C) UDL of wall + load from the roof
(D) Triangular load + load from the roof
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young’s modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is________________?
(A) (1 – C) mf – eE
(B) (C – 1)mf + eE
(C) (C – 1)mf – eE
(D) (1 – C)mf + eE
is the pre- stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is and sectional modulus is . The minimum stress on the beam subjected to a maximum bending moment is________________?
(A) f = (P/A) – (Z/M)
(B) f = (A/P) – (M/Z)
(C) f = (P/A) – (M/Z)
(D) f = (P/A) – (M/6Z)
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