The strength of concrete after one year as compared to 28 days strength is about 10 to 15% more 20 to 25% more 15 to 20% more 25 to 50% more TRUE ANSWER : ? YOUR ANSWER : ?
For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be 0.75 - 0.80 0.85 - 0.92 0.75 - 0.80 Above 0.92 TRUE ANSWER : ? YOUR ANSWER : ?
In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on the inner face in both directions the inner face in one direction the front face in both directions the front face in one direction TRUE ANSWER : ? YOUR ANSWER : ?
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone tensile stress bond stress compressive stress shear stress TRUE ANSWER : ? YOUR ANSWER : ?
Select the incorrect statement... Pretensioning system has greater certainty about its durability. None of these The loss of prestress is more in pre-tensioning system than in post-tensioning system. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system TRUE ANSWER : ? YOUR ANSWER : ?
Air entrainment in the concrete increases the effects of temperature variations strength workability the unit weight TRUE ANSWER : ? YOUR ANSWER : ?
If the storey height is equal to length of RCC wall, the percentage increase in strength is 10 20 30 TRUE ANSWER : ? YOUR ANSWER : ?
The limits of percentage p of the longitudinal reinforce-ment in a column is given by 0.8% to 4% 0.8% to 6% 0.15% to 2% 0.8% to 8% TRUE ANSWER : ? YOUR ANSWER : ?
Select the incorrect statement for ... Lean mixes bleed more as compared to rich ones. None of these Bleeding can be increased by addition of calcium chloride. Bleeding can be minimized by adding pozzuolana finer aggregate. TRUE ANSWER : ? YOUR ANSWER : ?
While designing the pile as a column, the end conditions are nearly one end fixed and other end free one end fixed and other end hinged both ends fixed both ends hinged TRUE ANSWER : ? YOUR ANSWER : ?