1% of voids in a concrete mix would reduce its strength by about
1% of voids in a concrete mix would reduce its strength by about
The factor of safety for
The factor of safety for
If the storey height is equal to length of RCC wall, the percentage increase in strength is
If the storey height is equal to length of RCC wall, the percentage increase in strength is
Diagonal tension in a beam
Diagonal tension in a beam
The fineness modulus of fine aggregate is in the range of
The fineness modulus of fine aggregate is in the range of
In prestressed concrete
In prestressed concrete
Workability of concrete is directly proportional to
Workability of concrete is directly proportional to
Which of the following statements is incorrect ?
Which of the following statements is incorrect ?
According to IS : 456-1978, the fiexural strength of concrete is
According to IS : 456-1978, the fiexural strength of concrete is
In counterfort retaining walls, the main reinforcement in the stem at support is
In counterfort retaining walls, the main reinforcement in the stem at support is
Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are
Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are
Assertion A : The load factor for live load is greater than that for dead load.
Reason R : The live loads are more uncertain than dead loads.
Select your answer based on the coding system given below :
Assertion A : The load factor for live load is greater than that for dead load.
Reason R : The live loads are more uncertain than dead loads.
Select your answer based on the coding system given below :
The ratio of the diameter of reinforcing bars and the slab thickness is
The ratio of the diameter of reinforcing bars and the slab thickness is
The critical section for finding maximum bending moment for footing under masonry wall is located
The critical section for finding maximum bending moment for footing under masonry wall is located
For the design of retaining walls, the minimum factor of safety against overturning is taken as
For the design of retaining walls, the minimum factor of safety against overturning is taken as
The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)
The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is
For a reinforced concrete section, the shape of shear stress diagram is
For a reinforced concrete section, the shape of shear stress diagram is
Strength of concrete increases with
Strength of concrete increases with
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
The approximate value of the ratio between direct tensile strength and flexural strength is
The approximate value of the ratio between direct tensile strength and flexural strength is
The minimum diameter of longitudinal bars in a column is
The minimum diameter of longitudinal bars in a column is
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
The strength of concrete after one year as compared to 28 days strength is about
The strength of concrete after one year as compared to 28 days strength is about
Modulus of elasticity of steel as per IS : 456-1978 shall be taken as
Modulus of elasticity of steel as per IS : 456-1978 shall be taken as
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)
