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mcq on Mechanical Properties of Solids. We covered all the mcq on Mechanical Properties of Solids in this post for free so that you can practice well for the exam.
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mcq on Mechanical Properties of Solids for Students
What is the value of Young’s modulus for an ideal plastic material?
a) Infinite
b) Finite
c) Zero
d) One
Option c – Zero
Which of the following materials exhibits negligible elasticity?
a) Copper
b) Quartz
c) Rubber
d) Plastic
Option b – Quartz
An elastic spring has a length of ‘a’ meters under a 4N force and ‘b’ meters under a 5N force. What would be its length under a 9N force?
a) 5b – 4a
b) 9(b – a)
c) 5b + 4a
d) 3b + 4a
Option a – 5b – 4a
Four wires made of the same material are subjected to identical loads. Which wire will stretch the most?
a) Length = 1 m, diameter = 1 mm
b) Length = 2 m, diameter = 2 mm
c) Length = 4 m, diameter = 0.5 mm
d) None of the above
Option b – Length = 2 m, diameter = 2 mm
Hooke’s law primarily defines which of the following?
a) Strain
b) Stress
c) Yield point
d) Elastic limit
Option d – Elastic limit
A wire stretches by 1 mm under a certain load. If the same material and length are used but the force is doubled and the radius is halved, what will be the new extension?
a) 2 mm
b) 8 mm
c) 0.5 mm
d) 4 mm
Option b – 8 mm
A wire elongates by 8 mm under a 5 kg load. If all other conditions remain the same but the wire’s radius is doubled, what will be the new extension?
a) 2 mm
b) 0.02 mm
c) 2.8 mm
d) 1 mm
Option a – 2 mm
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