Design of Structures (3150612) MCQs

MCQs of Limit state design of RC structural Element

Showing 151 to 155 out of 155 Questions
151.

The factor of safety against overturning of footing according to IS-456 should not be less than

(a)

1.5

(b)

1.4

(c)

2

(d)

1.15

Answer:

Option (b)

152.

A square pad footing 3.5m size is designed to support square column of 400mm. The effective depth of footing is 560mm. The ultimate safe bearing pressure below footing is 122.4 kPa, then the design bending moment in kN-m is

(a)

515

(b)

664

(c)

425

(d)

298

Answer:

Option (a)

153.

A square pad footing 3.5m size is designed to support square column of 400mm. The effective depth of footing is 560mm. The ultimate safe bearing pressure below footing is 122.4 kPa, then design shear force and nominal shear stress for one way shear are

(a)

550 kN, 0.97 MPa

(b)

425 kN, 0.22 MPa

(c)

1390 kN, 0.64 MPa

(d)

298 kN, 0.97 MPa

Answer:

Option (b)

154.

A square pad footing 3.5m size is designed to support square column of 400mm. The effective depth of footing is 560mm. The ultimate safe bearing pressure below footing is 122.4 kPa, then design shear force and nominal shear stress for two way shear are

(a)

550 kN, 0.97 MPa

(b)

425 kN, 0.22 MPa

(c)

1390 kN, 0.64 MPa

(d)

298 kN, 0.97 MPa

Answer:

Option (c)

155.

The self-weight of the footing, is

(a)

Not considered for calculating the upward pressure on footing

(b)

Also considered for calculating the upward pressure on footing

(c)

Not considered for calculating the area of the footing

(d)

Both (B) and (C)

Answer:

Option (a)

Showing 151 to 155 out of 155 Questions