Virtual Labs

Civil Engineering Basic Engineering Mechanics and Strength Of Materials Experiments

Aim

Theory

Objective

Pretest

Procedure

Simulation

Posttest

References

Feedback

Aim

Theory

Objective

Pretest

Procedure

Simulation

Posttest

References

Feedback

Tensile Test

Choose difficulty:

Beginner

Intermediate

Advanced

1. What is proportionality limit?

a: Limit up to which the necking begins. Explanation

Explanation

b: Limit up to which the material breaks. Explanation

Explanation

c: Limit up to which the Hooke's law is valid. Explanation

Explanation

d: Limit up to which the stress is proportional to strain Explanation

Explanation

e: Both c & d. Explanation

Explanation

2. The elastic limit of a material is _____________

a: the least amount of stress that can be held without permanent deformation Explanation

Explanation

b: highest stress a material can experience without permanent deformation Explanation

Explanation

c: average stress experienced by material in its lifeline. Explanation

Explanation

d: strain on material Explanation

Explanation

3. True stress-strain curve for materials is plotted between.

a: load/original cross-sectional area and change in length/original length Explanation

Explanation

b: load/instantaneous cross-sectional area and log(length/original length) Explanation

Explanation

c: load/instantaneous cross-sectional area and change in length/original length Explanation

Explanation

d: load/instantaneous cross-sectional area and instantaneous area/ original area. Explanation

Explanation

4. The tensile test is carried on __________ materials.

a: Ductile Explanation

Explanation

b: Brittle Explanation

Explanation

c: Malleable Explanation

Explanation

d: Plastic Explanation

Explanation

5. Extensometer is a device that measures change in length to the gage length.

a: True Explanation

Explanation

b: False Explanation

Explanation

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