Strength Of Materials QUESTIONS AND ANSWERS

Mechanical Engineering : Strength Of Materials QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

11.The value of modulus of elasticity for mild steel is of the order of

2.1xl05 kg/cm2

2.1 X 106 kg/cm2

2.1 x 107 kg/cm2

0.1 xlO6 kg/cm2 (

opt 5

12.Deformation per unit length in the direction of force is known as

strain

lateral strain

linear strain

linear stress

unit strain.

13.A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under

uniform throughout

increase uniformly

first increase and then decrease

increase uniformly first and then in-crease rapidly

increase rapidly first and then uniformly.

14.The unit of Young's modulus is

mm/mm

kg/cm

kg/cm2

kg cm2.

15.Which of the following materials is most elastic

rubber