Question: If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least________________?

• 1. WL /P
• 2. WL/2P
• 3. WL/3P
• 4. WL/4P

Question: The radius of a bar bend to form a hook, should not be less than_______________?

• 1. Twice the diameter
• 2. Thrice the diameter
• 3. Four times the diameter
• 4. Five times the diameter

Question: A circular slab subjected to external loading, deflects to form a_________________?

• 1. Semi-hemisphere
• 2. Ellipsoid
• 3. Paraboloid
• 4. None of these

Question: The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt________________?

• 1. Is safe in shear
• 2. Is unsafe in shear
• 3. Is over safe in shear
• 4. Needs redesigning

Question: If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be_________________?

• 1. 5 cm
• 2. 10 cm
• 3. 15 cm
• 4. 20 cm

Question: If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is_______________?

• 1. 40
• 2. 45
• 3. 50
• 4. 55

Question: The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is___________________?

• 1. 30°
• 2. 40°
• 3. 45°
• 4. All the above

Question: The number of treads in a flight is equal to_______________?

• 1. Risers in the flight
• 2. Risers plus one
• 3. Risers minus one
• 4. None of these

Question: The shear reinforcement in R.C.C. is provided to resist__________________?

• 1. Vertical shear
• 2. Horizontal shear
• 3. Diagonal compression
• 4. Diagonal tension

Question: A simply supported beam 6 m long and of effective depth 50 cm, carries a uniformly distributed load 2400 kg/m including its self weight. If the lever arm factor is 0.85 and permissible tensile stress of steel is 1400 kg/cm2, the area of steel required, is

• 1. 14 cm 2
• 2. 15 cm2
• 3. 16 cm2
• 4. 17 cm2