In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the - Mechanics

Mechanical Engineering : Mechanics - Strength of Materials - Quiz(MCQ)

In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the

normal stress varies linearly in the material

normal stress remains constant in all directions

elastic constants varies linearly in the material

elastic constants are same in all the directions

Correct Answer : Option (D) : elastic constants are same in all the directions

Recently Updated in Mechanics - Strength of Materials Questions

The ratio of linear stress to the linear strain is called

bulk modulus

Poisson's ratio

modulus of elasticity

modulus of rigidity

Correct Answer : modulus of elasticity

A riveted joint may fail by

shearing of rivets

tearing of the plate at an edge

tearing of the plate across a row of rivets

any one of the above

Correct Answer : any one of the above

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The minimum normal stress will be

-100 MPa

250 MPa

300 MPa

400 MPa

Correct Answer : -100 MPa

Mechanical Engineering MCQ's

Theory of Machines

Engineering Mechanics

Machine Design

Strength of Materials

Engineering Materials

Automobile Engineering

Steam Boilers and Engines