Stress And Strain -Multiple Choice Questions Quiz

Interactive MCQs on “Stress and Strain”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is stress in mechanics?

(a) The force applied to an object
(b) The deformation of an object
(c) The internal resistance to deformation
(d) The change in temperature of an object

Question 2: Which of the following is the correct formula for stress?

(a) Stress = Force / Volume
(b) Stress = Force × Area
(c) Stress = Mass × Acceleration
(d) Stress = Change in length / Original length

Question 3: What is strain in mechanics?

(a) The force applied to an object
(b) The deformation of an object
(c) The internal resistance to deformation
(d) The change in temperature of an object

Question 4: Which of the following is the correct formula for strain?

(a) Strain = Force / Area
(b) Strain = Change in length / Original length
(c) Strain = Force × Area
(d) Strain = Mass × Acceleration

Question 5: What is the unit of stress in the International System of Units (SI)?

(a) Newtons per meter squared (N/m²)
(b) Kilograms per meter cubed (kg/m³)
(c) Meters per second (m/s)
(d) Joules (J)

Question 6: What is the unit of strain in the International System of Units (SI)?

(a) Newtons per meter squared (N/m²)
(b) Kilograms per meter cubed (kg/m³)
(c) Meters per second (m/s)
(d) It is dimensionless (no unit)

Question 7: What is the term for the ratio of stress to strain within the elastic limit of a material?

(a) Young's modulus
(b) Poisson's ratio
(c) Shear modulus
(d) Bulk modulus

Question 8: What does Poisson's ratio describe for a material?

(a) Its ability to conduct electricity
(b) Its ability to withstand compression
(c) Its ability to return to its original shape after deformation
(d) Its ability to conduct heat

Question 9: Which type of stress occurs when two forces act on an object in opposite directions, causing it to deform by changing its length?

(a) Tensile stress
(b) Compressive stress
(c) Shear stress
(d) Bending stress

Question 10: Which type of stress occurs when two forces act parallel to each other in opposite directions, causing the object to deform by sliding its layers?

(a) Tensile stress
(b) Compressive stress
(c) Shear stress
(d) Bending stress