The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is_________________?
(A) 25
(B) 30
(C) 35
(D) 40
The angle of internal friction of soil mass is the angle whose_______________?
(A) Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
(B) Sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
(C) Cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
(D) None of these
If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept_______________?
(A) 4.5 m
(B) 4.0 m
(C) 3.5 m
(D) 3.0 m
The thickness of the topping of a ribbed slab, varies between________________?
(A) 3 cm to 5 cm
(B) 5 cm to 8 cm
(C) 8 cm to 10 cm
(D) 12 cm to 15 cm
The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is_______________?
(A) 1400 kg/cm2
(B) 190 kg/cm2
(C) 260 kg/cm2
(D) 230 kg/cm2
An R.C.C. column is treated as short column if its slenderness ratio is less than_______________?
(A) 30
(B) 35
(C) 40
(D) 50
The advantage of reinforced concrete, is due to_______________?
(A) Monolithic character
(B) Fire-resisting and durability
(C) Economy because of less maintenance cost
(D) All the above
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than____________?
(A) 42 diameters from the centre of the column
(B) 42 diameters from the inner edge of the column
(C) 42 diameters from the outer edge of the column
(D) 24 diameters from the centre of the column
As per IS : 456, the reinforcement in a column should not be less than________________?
(A) 0.5% and not more than 5% of cross-sectional area
(B) 0.6% and not more than 6% of cross-sectional area
(C) 0.7% and not more than 7% of cross-sectional area
(D) 0.8% and not more than 8% of cross-sectional area
per unit run exerted by the Total pressure on the vertical face of a retaining wall of height retained earth weighing per unit volume, is___________________?
(A) wh [(1 – )/(1 + sin )]
(B) wh² [(1 – )/(1 + sin )]
(C) wh² [(1 – )/2(1 + sin )]
(D) wh² [(1 – )/3(1 + sin )]