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EMD Topic 1

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

This type of design depends upon mathematical formulae of principle of mechanics.

a)

Rational design

b)

Optimum design

c)

Industrial design

d)

Empirical design

2.

What type of stress is a combination of tensile and compressive stresses, leading to a change in the shape of the material without any change in its volume?

a)

Tensile stress

b)

Bending stress

c)

Shear stress

d)

Compressive stress

3.

What type of stress is also known as "pulling" stress and occurs when forces act to elongate or stretch the material?

a)

Tensile stress

b)

Torsional stress

c)

Compressive stress

d)

Shear stress

4.

This type of design depends upon empirical formulae based on practice and past experience.

answer choices

a)

Optimum design.

b)

Industrial design

c)

Empirical design

d)

Rational design

5.

It is the best design for the given objective function under the specified constraints. It may be achieved by minimizing the undesirable effects

a)

Rational design

b)

Optimum design

c)

Empirical design

d)

Industrial design

6.

________ is the ability of a material to resist deformation under stress

a)

Stiffness

b)

Plasticity

c)

Elasticity

d)

Strength

7.

________ is the property of a material enabling it to be drawn into wire with the application of a tensile force.

a)

Ductility

b)

Brittleness

c)

Elasticity

d)

Plasticity

8.

What type of stress occurs when two forces act on an element in the same direction, pushing the material together?

a)

Torsional stress

b)

Shear stress

c)

Tensile stress

d)

Compressive stress

9.

________ is property of a material which retains the deformation produced under load permanently.

a)

Ductility

b)

Brittleness

c)

Elasticity

d)

Plasticity

10.

Find the diameter of the link stock, if the permissible tensile stress in the link material is not to exceed 75 MPa Link is caring a load of 50KN.

(a)