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In a counterfort retaining wall, the main reinforcement is provided on the<br>i) bottom face in front counterfort<br>ii) inclined face in front counterfort<br>iii) bottom face in back counterfort<br>iv) inclined face in back counterEort<br>The correct answer is<br>
A
(i) and (ii),
B
(ii) and (iii)
C
(i) and (iv)
D
(iii) and (iv)
Correct Answer:
(i) and (iv)
In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on
i) bottom face near counterfort
ii) top face near counterfort
iii) bottom face near centre of span
iv) top face near centre of span
The correct answer is
A
Only (i)
B
Only (ii)
C
Both (i) and (iv)
D
Both (ii) and (iii)
The main reinforcement in the toe of a T-shaped R.C. retaining wall is provided on
i) top face parallel to the wall
ii) top face perpendicular to the wall
iii) bottom face parallel to the wall
iv) bottom face perpendicular to the wall
The correct answer is
A
Only (ii) is correct
B
(i) and (ii) are correct
C
(iii) and (iv) are correct
D
Only (iv) is correct
In a counterfort retaining wall, the main reinforcement in the stem at mid span is provided on
A
Front face only
B
Inner face only
C
Both front face and inner face
D
None of the above
A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of
A
7°
B
10°
C
12°
D
17°
In counterfort retaining walls, the main reinforcement in the stem at support is
A
Not provided
B
Provided only on inner face
C
Provided only on front face
D
Provided both on inner and front faces
If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least __________ of main reinforcement.
A
40%
B
50%
C
60%
D
70%
The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on
A
Top face perpendicular to wall
B
Bottom face perpendicular to wall
C
Both top and bottom faces perpendicular to wall
D
None of the above
In counterfort type retaining walls
i) the vertical slab is designed as a continuous slab
ii) the heel slab is designed as a continuous slab
iii) the vertical slab is designed as a cantilever
iv) the heel slab is designed as a cantilever
The correct answer is
A
(i) and (ii)
B
(i) and (iv)
C
(ii) and (iii)
D
(iii) and (iv)
I. All the offices on the 9th floor have wall-to-wall carpeting. II. No wall-to-wall carpeting is pink. III.None of the offices on the 9th floor has pink wall-to-wall carpeting. If the first two statements are true, the third statement is
A
true
B
false
C
uncertain
D
none
If the first two statements are true, the third statement is :
I. All the offices on the 9th floor have wall-to-wall carpeting.
II. No wall-to-wall carpeting is pink.
III. None of the offices on the 9th floor has pink wall-to-wall carpeting.
A
true
B
false
C
[C. uncertain