Structural Engineering - Online Test

Q1. A reinforced concrete beam of rectangular cross section of breadth 230 mm and effective depth 400 mm is subjected to a maximum factored shear force of 120 kN. The grades of concrete, main steel provided, the design shear strength τc as per IS : 456-2000 is 0.48 N/mm2. The beam is designed for collapse limit state.
The spacing (mm) of 2-legged 8 mm stirrups to be provided is
Answer : Option B
Explaination / Solution:
No Explaination.


Q2. A reinforced concrete beam of rectangular cross section of breadth 230 mm and effective depth 400 mm is subjected to a maximum factored shear force of 120 kN. The grades of concrete, main steel provided, the design shear strength τc as per IS : 456-2000 is 0.48 N/mm2. The beam is designed for collapse limit state.
In addition, the beam is subjected to a torque whose factored value is 10.90 kNm. The stirrups have to be provided to carry a shear (kN) equal to
Answer : Option C
Explaination / Solution:
No Explaination.


Q3. A mild steel specimen is under uniaxial tensile stress. Young’s modulus and yield stress for mild steel are 2 × 105 MPa and 250 MPa respectively. The maximum amount of strain energy per unit volume that can be stored in this specimen without permanent set is
Answer : Option D
Explaination / Solution:
No Explaination.


Q4. Cross-section of a column consisting to two steel strips, each of thickness t and width b is shown in the figure below. The critical loads of the column with perfect bond and without bond between the strips are P and P0 respectively. The ratio P/P0 is

Answer : Option B
Explaination / Solution:
No Explaination.


Q5. The maximum shear stress in a solid shaft of circular cross-section having diameter d subjected to a subject to a torque T is τ. If the torque is increased by four times and the diameter of the shaft is increased by two times, the maximum shear stress in the shaft will be

Answer : Option C
Explaination / Solution:
No Explaination.


Q6. A vertical rod PQ of length L is fixed at its top end P and has a flange fixed to the bottom end Q. A weight W is dropped vertically from a height h(< L) on to the flange. The axial stress in the rod can be reduced by
Answer : Option A
Explaination / Solution:
No Explaination.


Q7. The maximum tensile stress at the section X -X shown in the figure below is

Answer : Option A
Explaination / Solution:
No Explaination.


Q8. The stepped cantilever is subjected to moments, M as shown in the figure below. The vertical deflection at the free end (neglecting the self weight) is

Answer : Option C
Explaination / Solution:
No Explaination.


Q9. The degree of static indeterminacy of the rigid frame having two internal hinges as shown in the figure below, is

Answer : Option D
Explaination / Solution:
No Explaination.


Q10. The members EJ and IJ of a steel truss shown in the figure below, are subjected to a temperature rise to 30o C. The coefficient of thermal expansion of steel is 0.000012 per oC per unit length. The displacement (mm) of joint E relative to joint H along the direction HE of the truss, is

Answer : Option C
Explaination / Solution:
No Explaination.