A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be - Mechanics

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

A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be

same

half

double

one-fourth

Correct Answer : Option (C) : double

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