If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be 8hp/l² 8hl/p² 8hl/p 8hp/l TRUE ANSWER : ? YOUR ANSWER : ?
The diameter of longitudinal bars of a column should never be less than 6 mm 10 mm 12 mm 8 mm TRUE ANSWER : ? YOUR ANSWER : ?
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed 25 mm 20 mm 10 mm 15 mm TRUE ANSWER : ? YOUR ANSWER : ?
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm², nominal reinforcement is provided at a pitch of Lever arm of the section One-third lever arm of the section One-half lever arm of the section One and half lever arm of the section TRUE ANSWER : ? YOUR ANSWER : ?
The minimum head room over a stair must be 205 cm 210 cm 230 cm 200 cm TRUE ANSWER : ? YOUR ANSWER : ?
An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 meters 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 21.5 kg/cm² 21.5 kg/cm² 8.3 kg/cm² 7.6 kg/cm² TRUE ANSWER : ? YOUR ANSWER : ?
The maximum area of tension reinforcement in beams shall not exceed 0.15 % 1 6 4 % TRUE ANSWER : ? YOUR ANSWER : ?
High strength concrete is used in pre-stressed member All listed here To provide high bond stresses To overcome high bearing stresses developed at the ends To overcome bursting stresses at the ends TRUE ANSWER : ? YOUR ANSWER : ?
As the percentage of steel increases Lever arm decreases Lever arm increases Depth of neutral axis increases Depth of neutral axis decreases TRUE ANSWER : ? YOUR ANSWER : ?
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is D = W (a - b)/4a²bq D = W (a² - b²)/8a²bq D = W (a² - b²)/4abq D = W (a² - b²)/4a²bq TRUE ANSWER : ? YOUR ANSWER : ?