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Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Creep High Temperature Test of Materials

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1. In which stage, the creep rate is constant?

a: Primary Explanation

Explanation

b: Secondary Explanation

Explanation

c: Tertiary Explanation

Explanation

d: It is not constant in all the three stages Explanation

Explanation

2. In which of the following tests load is generally kept constant?

a: Creep testing Explanation

Explanation

b: Compression Testing Explanation

Explanation

c: Impact Testing Explanation

Explanation

d: Tensile Testing Explanation

Explanation

3. It is given that aluminium can creep at and above 0.4 T_m, where T_m has its usual meaning. Calculate the minimum temperature (in ^oC) at which aluminium can creep? Melting point of aluminum is 660 ^oC

a: Room temperature Explanation

Explanation

b: 100.2 Explanation

Explanation

c: 264 Explanation

Explanation

d: 660 Explanation

Explanation

4. What is/are true for Stage III (tertiary stage) of creep?

a: The strain rate is the minimum in this stage Explanation

Explanation

b: This stage is of shorter duration than secondary stage Explanation

Explanation

c: The material deforms with a continuously decreasing creep rate Explanation

Explanation

d: The strain hardening rate balances the recovery rate Explanation

Explanation

5. In which stage the effect of strain hardening is more than softening?

a: Stage I Explanation

Explanation

b: Stage II Explanation

Explanation

c: Stage III Explanation

Explanation

d: Strain hardening is never higher in any stage Explanation

Explanation

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