Structural Engineering - Online Test

Q1. In the theory of plastic bending of beams, the ratio of plastic moment to yield moment is called
Answer : Option A
Explaination / Solution:
No Explaination.


Q2. The square root of the ratio of moment of inertia of the cross-section to its cross-sectional area is called
Answer : Option D
Explaination / Solution:
No Explaination.


Q3. A 12 mm thick plate is connected to two 8 mm thick plates, on either side through a 16 mm diameter power driven field rivet as shown in the figure below. Assuming permissible shear stress as 90 MPa and permissible bearing stress as 270 MPa in the rivet, the rivet value of the joint is

Answer : Option B
Explaination / Solution:
No Explaination.


Q4. Consider the following statements for a compression member: 
1. The elastic critical stress in compression increases with decrease in slenderness ratio 
2. The effective length depends on the boundary conditions at its ends. 
3. The elastic critical stress in compression is independent of the slenderness ratio. 
4. The ratio of the effective length to its radius of gyration is called as slenderness ratio 
Which of the above statements is/are correct ?
Answer : Option D
Explaination / Solution:
No Explaination.


Q5. A precast concrete pile is driven with a 50 kN hammer railing through a height of 1.0 m with an efficiency of 0.6. The set value observed is 4 mm per below and the combined temporary compression of the pile, cushion and the ground is 6 mm. As per Modified Hiley Formula, the ultimate resistance of the pile is
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. A plate load test is carried out on a 300 mm × 300 mm plate placed at 2 m below the ground level to determine the bearing capacity of a 2 m × 2 m footing placed at same depth of 2 m on a homogeneous sand deposit extending 10 m below ground. The ground water table is 3 m below the ground level. Which of the following factors does not require a correction to the bearing capacity determined based on the load test ?
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. Which of the flowing stress combinations are appropriate in identifying the critical condition for the design of concrete pavements ?
Type of stress                      Location
a. Load                                1. Corner 
b. Temperature                    2. Edge 
                                            3. Interior
Select the correct answer using the codes given below :
Answer : Option A
Explaination / Solution:
No Explaination.


Q8. The modulus of rupture of concrete in terms of its characteristic cube compressive strength (fck) in MPa according to IS 456 : 2000 is
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. For limit state of collapse, the partial safety factors recommended by IS 456 : 2000 for estimating the design strength of concrete and reinforcing steel are respectively
Answer : Option C
Explaination / Solution:
No Explaination.


Q10. A rectangular concrete beam of width 120 mm and depth 200 mm is prestressed by pre tensioning to a force of 150 kN at an eccentricity of 20 mm. The crosssectional area of the prestressing steel is 87.5 mm2. Take modulus of elasticity of steel and concrete as 2.1 × 105 MPa 3.0 × 104 MPa respectively. The percentage loss of stress in the prestressing steel due to elastic deformation of concrete is
Answer : Option B
Explaination / Solution:
No Explaination.