Quiz on Properties Of Metals Part 2

Take a Quiz on Properties Of Metals Part 2

1. Proof stress is

stress corresponding to proportional limit

stress causing materials to break

stress causing a specific permanent deformation usually 0.1% or 0.2%.

2. Thermal strain caused in a Reinforced composite body due to change in temperature will be

same nature

opposite nature

same magnitude

none of above

Within Elastic limit Actual Stress is greater than Nominal Stress

True

False

4. The energy absorbed by a body, when it is strained within the elastic limit, is known as

strain energy

resilience

proof resilience

modulus of resilience

toughness

5. Value of factor of safety is

greater than 1

less than 1

zero

none of above

6. Hooke’s Law is truly valid up to

elastic limit

proportional limit

plastic limit

fatigue limit

In ductile material nominal breaking stress is

lower than true breaking stress

equals with true breaking stress

higher than true breaking stress

none of the above

8. Mild Steel is widely used in Reinforced Concrete because

It is Ductile

It is equally strong in tension and compression

Thermal coeffecient is almost equal to concrete

All of the above

9. In tension test Actual Stress is equal to or greater than Nominal Stress

True

False

10. For mild steel, Yield stress is

nearly equal to elastic stress

greater than elastic stress

less than elastic stress

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