Sinking of an intermediate support of a continuous beam_____________?

Sinking of an intermediate support of a continuous beam_____________?

1. reduces the negative moment at support
2. increases the negative moment at support
3. reduces the positive moment at center of span
4. increases the positive moment at center of span
The correct answer is?
 
A. (1) and (3)
B. (1) and(4)
C. (2 )and (3)
D. (2) and (4)

In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on_______________?

In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on_______________?

1. bottom face near counterfort
2. top face near counterfort
3. bottom face near centre of span
4. top face near centre of span The correct answer is
A. only (1)
B. only (2)
C. both (1) and (4)
D. both (2)and (3)

In a counterfort retaining wall, the main reinforcement is provided on the_______________?

In a counterfort retaining wall, the main reinforcement is provided on the_______________?

1. bottom face in front counterfort
2. inclined face in front counterfort
3. bottom face in back counterfort
4. inclined face in back counterEort
The correct answer is
A. (1) and (ii),
B. (2) and (3)
C. (1) and (4)
D. (3) and (4)

The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on_______________?

The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on_______________?

1. top face parallel to the wall
2. top face perpendicular to the wall
3. bottom face paralleUo the wall
4. bottom face perpendicular to the wall
The correct answer is ?
A. only (2) is correct
B. (1) and (2)are correct
C. (3) and (4) are correct
D. only (4) is correct