Explore topic-wise MCQs in Mechanical Metallurgy Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The relationship between the stress and strain rate is given as σ=Cϒm, where m is strain rate sensitivity. The strain rate sensitivity _____________ with increase in temperature.

A. increases
B. decreases
C. remains constant
D. no relationship
Answer» B. decreases
Discussion
2.

The relationship between the flow stress and the strain rate is given in empirical form ______ where strain rate=ϒ, σ = flow stress, C & m = constant.

A. σ=Cϒ
B. σ=Cϒm
C. σ=Cmϒ
D. σ=C/ϒ
Answer» C. σ=Cmϒ
Discussion
3.

The stress vs. strain relationship is given for material at temperature T1, T2, T3. The correct order of temperature will be _____

A. T1>T2>T3
B. T3>T2>T1
C. T2>T3>T1
D. T3>T1>T2
Answer» C. T2>T3>T1
Discussion