In case of hand mixing of concrete, the extra cement to be added is 5% 15% 20% 10% TRUE ANSWER : ? YOUR ANSWER : ?
In order to obtain the best workability of concrete, the preferred shape of aggregate is angular All of these rounded elongated TRUE ANSWER : ? YOUR ANSWER : ?
In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) TRUE ANSWER : ? YOUR ANSWER : ?
For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be 600 mm more than 1 m 900 mm 750 mm TRUE ANSWER : ? YOUR ANSWER : ?
In reinforced concrete footing on soil, the minimum thickness at edge should not be less than 150 mm 100 mm 250 mm 200 mm TRUE ANSWER : ? YOUR ANSWER : ?
A beam curved in plan is designed for bending moment, shear and torsion bending moment and shear shear and torsion bending moment and torsion TRUE ANSWER : ? YOUR ANSWER : ?
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 30 m 60 m 20 m 45 m TRUE ANSWER : ? YOUR ANSWER : ?
Most common method of prestressing used for factory production is Lee-Macall system Magnel-Blaton system Long line method Freyssinet system TRUE ANSWER : ? YOUR ANSWER : ?
For a reinforced concrete section, the shape of shear stress diagram is wholly rectangular rectangular above neutral axis and parabolic below neutral axis wholly parabolic parabolic above neutral axis and rectangular below neutral axis TRUE ANSWER : ? YOUR ANSWER : ?
The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) TRUE ANSWER : ? YOUR ANSWER : ?