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Strength-of-materials Questions Set 29:

Quiz Mode

What is the unit for modulus of elasticity?

N/m

N/m^2

Unitless.

Solution:

What are the units of measurement for wooden and steel trusses?

1 RM

1 No.

m²

Solution:

What is a cylindrical section without any joints called?

Target section

Proof section

Seamless section

Mown section

Solution:

If given the change in length of a beam, what other parameter is required to calculate the strain?

Original length in m.

Stress in N/m^2.

Force in N.

Volume of beam.

Solution:

A tensile load of 50 kN is gradually applied to a circular bar of 5 cm diameter and 5 m long. What is the strain energy absorbed by the rod (E = 200 GPa)?

14 N-m

15.9 N-mm

15.9 N-m

14 N-mm

Solution:

A point load is applied to the center of a simply supported beam with length L and flexural rigidity EI. The ratio of the maximum bending moment to the maximum deflection of the beam is:

48EI/L^3

16EI/L^2

24EI/L^2

48EI/L^2

Solution:

In a cantilever carrying uniformly varying load starting from zero at the free end, the bending moment diagram is

A horizontal line parallel to the X-axis

A line inclined to X-axis

Follows the cubic law

Follows a Parabolic curve

Solution:

At a point in a strained material, the normal stress and shear stress across two perpendicular planes are 70 N/mm² and 60 N/mm² respectively. Determine the resultant stress on a plane inclined at 35.8 degrees.

10 N/mm²

130 N/mm²

65.65 N/mm²

92.19 N/mm²

Solution:

A column with a length of 3 meters has a diameter of 44 mm. If the column is fixed at both ends and the modulus of elasticity is 2 x 10⁵ N/mm², calculate the safe load acting on the column. (Let the factor of safety be 2.5)

64.46 kN

69.69 kN

71.15 kN

59.98 kN

Solution:

Consider two bars A and B. The thermal expansion coefficient and Young's modulus of bar A are twice those of bar B. Assume that both bar A and B are subjected to the same temperature increase.

P = ratio of thermal stress in A to B

Q = ratio of thermal strain in A to B

Which of the following is true?

P/Q = 4

P/Q = 2

P * Q = 16

P - Q = 4

Strength-of-materials Questions Set 29:

What is the unit for modulus of elasticity?

Solution:

What are the units of measurement for wooden and steel trusses?

Solution:

What is a cylindrical section without any joints called?

Solution:

If given the change in length of a beam, what other parameter is required to calculate the strain?

Solution:

A tensile load of 50 kN is gradually applied to a circular bar of 5 cm diameter and 5 m long. What is the strain energy absorbed by the rod (E = 200 GPa)?

Solution:

A point load is applied to the center of a simply supported beam with length L and flexural rigidity EI. The ratio of the maximum bending moment to the maximum deflection of the beam is:

Solution:

In a cantilever carrying uniformly varying load starting from zero at the free end, the bending moment diagram is

Solution:

At a point in a strained material, the normal stress and shear stress across two perpendicular planes are 70 N/mm² and 60 N/mm² respectively. Determine the resultant stress on a plane inclined at 35.8 degrees.

Solution:

A column with a length of 3 meters has a diameter of 44 mm. If the column is fixed at both ends and the modulus of elasticity is 2 x 10⁵ N/mm², calculate the safe load acting on the column. (Let the factor of safety be 2.5)

Solution:

Solution:

Related Question Sets:

Related Topics:

Strength-of-materials Questions Set 29:

What is the unit for modulus of elasticity?

Solution:

What are the units of measurement for wooden and steel trusses?

Solution:

What is a cylindrical section without any joints called?

Solution:

If given the change in length of a beam, what other parameter is required to calculate the strain?

Solution:

A tensile load of 50 kN is gradually applied to a circular bar of 5 cm diameter and 5 m long. What is the strain energy absorbed by the rod (E = 200 GPa)?

Solution:

A point load is applied to the center of a simply supported beam with length L and flexural rigidity EI. The ratio of the maximum bending moment to the maximum deflection of the beam is:

Solution:

In a cantilever carrying uniformly varying load starting from zero at the free end, the bending moment diagram is

Solution:

At a point in a strained material, the normal stress and shear stress across two perpendicular planes are 70 N/mm² and 60 N/mm² respectively. Determine the resultant stress on a plane inclined at 35.8 degrees.

Solution:

A column with a length of 3 meters has a diameter of 44 mm. If the column is fixed at both ends and the modulus of elasticity is 2 x 105 N/mm2, calculate the safe load acting on the column. (Let the factor of safety be 2.5)

Solution:

Solution:

Related Question Sets:

Related Topics:

A column with a length of 3 meters has a diameter of 44 mm. If the column is fixed at both ends and the modulus of elasticity is 2 x 10⁵ N/mm², calculate the safe load acting on the column. (Let the factor of safety be 2.5)