Why do metals contract and expand? – McqOptions

MCQOPTIONS

1.	Why do metals contract and expand?
A.	Due to cooling and heating
B.	Due to displacement
C.	Due to repairs
D.	Due to false recognition
Answer» B. Due to displacement

Discussion

No Comment Found

Related MCQs

What is the total permissible elongation for a gage length of 5.08cm?
The ability of a material to resist permanent distortion or penetration is called as _______
The modulus of elasticity of a material can be described as ________
The load obtained in a tension test is 500N and the original cross sectional area is 250m2 what is the tensile strength of the material?
The property of a material involving transmitting of heat or electricity is known as _________
If a material is loaded beyond its elastic limit _________
Steel is one of the few materials that has a definite yield point.
The tendency of a material to fracture without changing it’s shape is known as ______
A material elongated to 35m due to certain conditions. If it’s initial length is 7m, what is the strain of the material?
Why do metals contract and expand?