Structural Analysis – Multiple Choice Questions (MCQs)

1. 85. What is 'dead load'?

   • A. A permanent load due to the weight of the structural members and fixed attachments
   • B. A variable load
   • C. An environmental load
   • D. A seismic load

2. 86. What is 'wind load'?

   • A. Load caused by the pressure of wind on the structure
   • B. A permanent load
   • C. A variable load
   • D. A seismic load

3. 87. What is 'seismic load'?

   • A. Load caused by ground motion during an earthquake
   • B. A permanent load
   • C. A variable load
   • D. An environmental load

4. 88. What is 'snow load'?

   • A. Load caused by the weight of accumulated snow on the roof or other surfaces
   • B. A permanent load
   • C. A variable load
   • D. An environmental load

5. 89. What is 'load combination' in structural design?

   • A. The combination of different types of loads to determine the maximum possible forces and moments a structure might experience
   • B. The sum of all loads
   • C. The average of all loads
   • D. The minimum load

6. 90. What is 'creep' in structural materials?

   • A. Time-dependent deformation of a material under sustained stress
   • B. Elastic deformation
   • C. Instantaneous deformation
   • D. Fracture

7. 91. What is 'shrinkage' in concrete?

   • A. Volume reduction of concrete due to drying and chemical reactions
   • B. Volume expansion of concrete
   • C. Creep in concrete
   • D. Cracking in concrete

8. 92. What is 'thermal stress' in structures?

   • A. Stress induced in a structure due to temperature changes
   • B. Stress due to applied loads
   • C. Stress due to material properties
   • D. Stress due to fluid pressure

9. 93. What is 'ultimate tensile strength'?

   • A. The maximum stress a material can withstand before fracturing
   • B. The stress at which a material begins to deform plastically
   • C. The stress at which the material breaks
   • D. The stress at which the material behaves elastically

10. 94. What is 'modulus of elasticity' (Young's Modulus)?

    • A. A measure of a material's stiffness or resistance to elastic deformation under tensile or compressive stress
    • B. A measure of ductility
    • C. A measure of strength
    • D. A measure of toughness

11. 95. What is 'Poisson's ratio'?

    • A. The ratio of transverse strain to axial strain when a material is subjected to axial stress
    • B. The ratio of stress to strain
    • C. The ratio of shear stress to shear strain
    • D. The ratio of volume change to original volume

12. 96. What is 'shear modulus' (Modulus of Rigidity)?

    • A. A measure of a material's stiffness or resistance to shear deformation
    • B. A measure of tensile stiffness
    • C. A measure of compressive stiffness
    • D. A measure of ductility