| Q.51 | Which of the following statements regarding the common characteristics of building materials under stress is INCORRECT? | |
| Ans | A. Flexible materials on the other hand have low modulus of elasticity and bend considerably without breakdown. | |
| B. Brittle materials have high plasticity. | ||
| C. Ductile materials can be drawn out without necking down, the examples being copper and wrought iron. | ||
| D. Stiff materials have a high modulus of elasticity permitting small deformation for a given load. |
Correct Ans Provided: B