Design of Structures (3150612) MCQs

MCQs of Limit state design of RC structural Element

Showing 121 to 130 out of 155 Questions
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121.

The allowable compression load on circular short axially loaded column with helical reinforcement is

(a)

0.45 fck Ac+0.87 fy Asc

(b)

0.40 fck Ac+0.67 fy Asc

(c)

1.050.40 fck Ac+0.67 fy Asc

(d)

1.050.45 fck Ac+0.87 fy Asc

Answer:

Option (c)

122.

The diameter of longitudinal bars of a column should never be less than

(a)

6 mm
(b)

8 mm
(c)

10 mm
(d)

12 mm
Answer:

Option (d)

123.

Axially loaded column shall be designed for minimum eccentricity of

(a)

10 mm
(b)

40 mm
(c)

20 mm
(d)

30 mm
Answer:

Option (c)

124.

A long column is one whose ratio of effective length to least lateral dimension exceed

(a)

5
(b)

10
(c)

12
(d)

20
Answer:

Option (c)

125.

The minimum eccentricity in column can be calculated as

(a)

L500+D20

(b)

L300+D20

(c)

L500+D30

(d)

L300+D30

Answer:

Option (c)

126.

Minimum and Maximum percentage of steel in R.C column as per IS-456 is

(a)

0.8% and 6%
(b)

0.6% and 8%
(c)

0.12% and 6%
(d)

0.15% and 8%
Answer:

Option (a)

127.

A compression member is called pedestal if its effective length is less than ____times its least lateral dimension

(a)

2
(b)

3
(c)

4
(d)

5
Answer:

Option (b)

128.

Spacing of longitudinal bars along periphery of concrete column is limited to

(a)

200 mm
(b)

300 mm
(c)

16 X dia of bar
(d)

150 mm
Answer:

Option (b)

129.

A column is designed as axially loaded, if minimum eccentricity is less than____times lateral dimension

(a)

0.1
(b)

0.05
(c)

0.5
(d)

0.01
Answer:

Option (b)

130.

Pitch of lateral ties in column shall be not more than

(a)

Least lateral dimension
(b)

16 x smallest dia of longitudinal bar
(c)

300 mm
(d)

All of above
Answer:

Option (d)

Showing 121 to 130 out of 155 Questions
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