Design of Structures (3150612) MCQs

MCQs of Limit state design of RC structural Element

Showing 141 to 150 out of 155 Questions
11 12 13 14 15 16
141.

The self weight of a foundation is assumed as

(a)

5% of Axial load
(b)

7% of Axial load
(c)

10% of Axial load
(d)

12% of Axial load
Answer:

Option (c)

142.

For R.C.C Footing, which of the following statement is correct?

(a)

Critical section for BM is taken at face of column
(b)

Critical section for one way shear is taken at distance d from face of column
(c)

Critical section for  two way shear is taken at distance d/2 from face of column
(d)

All of above
Answer:

Option (d)

143.

For footing minimum cover thickness is prescribed as

(a)

40 mm
(b)

50 mm
(c)

75 mm
(d)

100 mm
Answer:

Option (b)

144.

As per IS-456 Edge thickness of rectangular footing shall not be less than

(a)

100 mm
(b)

150 mm
(c)

200 mm
(d)

300 mm
Answer:

Option (b)

145.

Punching shear strength of concrete in limit state method is taken as

(a)

0.7fck

(b)

0.25fck

(c)

0.20fck

(d)

5000fck

Answer:

Option (b)

146.

In combined footing center of gravity of footing coincide with resultant of loads, then the stress at base of footing from soil will be

(a)

Purely tensile
(b)

Purely compressive
(c)

Both tensile and compressive
(d)

None of above
Answer:

Option (b)

147.

The load from column can be transferred to foundation by

(a)

Dowel bars
(b)

Column bars
(c)

Both (A) and (B)
(d)

None of above
Answer:

Option (a)

148.

Depth of footing for an isolated column is governed by

(a)

Maximum bending moment
(b)

Shear force
(c)

Punching shear
(d)

All of above
Answer:

Option (d)

149.

The permissible bearing stress for M20 concrete column resting on rectangular concrete footing in limit state method should not be more than

(a)

10 MPa
(b)

9 MPa
(c)

11 MPa
(d)

20 MPa
Answer:

Option (b)

150.

What is the assumed designed pressure below rigid footing as per IS-456?

(a)

Parabolic with concave
(b)

Parabolic with convex
(c)

Uniform
(d)

All of above
Answer:

Option (c)

Showing 141 to 150 out of 155 Questions
11 12 13 14 15 16