www.ThinkITI.com

Home
MCQ
Search
Free Apps
Important
Study Groups
Contact Us
Policy

Home
MCQ
Objective Questions
Engineering
Mechanical
ME Set-3
Engineering Materials
36

Engineering Materials MCQ with Answers

36) The change in the unit volume of a material under tension with increase in its Poisson′s ratio will ,

increase

decrease

remain same

increase initially and then decrease

Answer is:

decrease

Engineering Materials MCQ with Answers

For more MCQ's Click Here

Related Engineering Materials MCQ with Answers

37) The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

more than 50%

25—50%

10—25%

negligible.

Answer is:

negligible.

38) If a material expands freely due to heating it will develop

thermal stresses

tensile stress

bending

no stress.

Answer is:

no stress.

39) In a tensile test, near the elastic limit zone, the

tensile strain increases more quickly

tensile strain decreases more quickly

tensile strain increases in proportion to the stress

tensile strain decreases in proportion to the stress

Answer is:

tensile strain increases more quickly

40) The stress necessary to initiate yielding is

considerably greater than that necessary to continue it

considerably lesser than that necessary to continue it

greater than that necessary to stop it

lesser than that necessary to stop it

Answer is:

considerably greater than that necessary to continue it

Engineering Materials MCQ with Answers

For more MCQ's Click Here