Top 250+ Solved RCC Structures Design MCQ Questions Answer
Q. For a number of columns constructed in a rcjw, the type of foundation provided, is
a. Footing
b. Raft
c. Strap
d. Strip
Q. 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
a. 10 mm
b. 15 mm
c. 20 mm
d. 25 mm
Q. The diameter of main bars in R.C.C. columns, shall not be less than
a. 6 mm
b. 8 mm
c. 10 mm
d. 12 mm
Q. If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bondstress, the bond length is given by
a. ft.d/4fb
b. ( /4). (ft.d/fb)
c. ft.d²/fb
d. ( /4). (ft.d3/fb)
Q. An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is
a. 300 cm
b. 233 cm
c. 176 cm
d. 236 cm
Q. The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than
a. 18 bardiameters
b. 24 bardiameters
c. 30 bardiameters
d. 36 bardiameters
Q. As the percentage of steel increases
a. Depth of neutral axis decreases
b. Depth of neutral axis increases
c. Lever arm increases
d. Lever armdecreases
Q. The effective width of a column strip of a flat slab, is
a. One-fourth the width of the panel
b. Half the width of the panel
c. Radius of the column
d. Diameter ofthe column
Q. As per IS : 1343, total shrinkage for a pre-tensioned beam, is
a. 3.0 × 10-2
b. 3.0 × 10-3
c. 3.0 × 10-5
d. 3.5 × 10-5
Q. Dimensions of a beam need be changed if the shear stress is more than
a. 10 kg/cm2
b. 15 kg/cm2
c. 20 kg/cm2
d. 25 kg/cm2
Q. Based on punching shear consideration, the overall depth of a combined footing under a column A, is
a. (Area of the column A × Safe punching stress)/Load on column A
b. (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)
c. (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)
d. None of these
Q. Pick up the correct statement from the following:
a. A pile is a slender member which transfersthe load through its lower end on a strong strata
b. A pile is a slender member which transfers its load to the surrounding soil
c. A pile is a slender member which transfers its load by friction
d. A pile is a cylindrical body of concrete which transfersthe load at a depth greater than its width
Q. In a combined footing if shear stress exceeds 5 kg/cm2 , the nominal stirrups provided are:
a. 6 legged
b. 8 legged
c. 10 legged
d. 12 legged
Q. The weight of reinforced concrete, is generally taken as
a. 2200 kg/m3
b. 2300 kg/m3
c. 2400 kg/m3
d. 2500 kg/m3