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)
Related Mcqs:
- For a continuous slab of 3 m x 3.5 m size, the minimum overall depth of slab to satisfy vertical deflection limits is__________________?
A. 50 mm
B. 75 mm
C. 100 mm
D. 120 mm - A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D. is less than__________________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0 - Half of the main steel in a simply supported slab is bent up near the support at a distance of x from the center of slab bearing where x is equal to________________?
A. 1/3
B. 1/5
C. 1/7
D. 1/10
where 1 is the span - The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone_________________?
A. compressive stress
B. shear stress
C. bond stress
D. tensile stress - 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 - To determine the modulus of rupture, the size of test specimen used is_______________?
A. 150 x150 x500 mm
B. 100 x100 x700 mm
C. 150 x150 x700 mm
D. 100 x100 x500 mm - If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called________________?
A. balanced beam
B. under-reinforced beam
C. over-reinforced beam
D. none of the above - For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than_______________?
A. 15 mm
B. 25 mm
C. 30 mm
D. 40 mm - The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is______________?
A. not needed
B. provided equally on inner and front faces
C. provided more on inner face than on front face
D. provided more on front face than on inner face - Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than__________________?
A. 35 MPa and 42 MPa
B. 42 MPa and 35 MPa
C. 42 MPa and 53 MPa
D. 53 MPa and 42 MPa
