Q.1
The critical section for finding maximum bending moment for footing under masonry wall is located
Q.2
The factor of safety for
Q.3
The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)
Q.4
Strength of concrete increases with
Q.5
In counterfort retaining walls, the main reinforcement in the stem at support is
Q.6
For a reinforced concrete section, the shape of shear stress diagram is
Q.7
In prestressed concrete
Q.8
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to
Q.9
Which of the following statements is incorrect ?
Q.10
The approximate value of the ratio between direct tensile strength and flexural strength is
Q.11
Workability of concrete is directly proportional to
Q.12
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 :
Q.13
Diagonal tension in a beam
Q.14
According to IS : 456-1978, the fiexural strength of concrete is
Q.15
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)
Q.16
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
Q.17
For the design of retaining walls, the minimum factor of safety against overturning is taken as
Q.18
The minimum diameter of longitudinal bars in a column is
Q.19
The limits of percentage p of the longitudinal reinforce-ment in a column is given by
Q.20
Air entrainment in the concrete increases
Q.21
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is
Q.22
The fineness modulus of fine aggregate is in the range of
Q.23
If the storey height is equal to length of RCC wall, the percentage increase in strength is
Q.24
The property of the ingredients to separate from each other while placing the concrete is called
Q.25
Most common method of prestressing used for factory production is
Q.26
As compared to ordinary portland cement, use of pozzuolanic cement
Q.27
Modulus of elasticity of steel as per IS : 456-1978 shall be taken as
Q.28
The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone
Q.29
The ratio of the diameter of reinforcing bars and the slab thickness is
Q.30
Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ?
0 h : 0 m : 1 s