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Strength-of-materials Questions Set 9:

Quiz Mode

What term describes the degree of elasticity in different materials?

move

power

degree

ductile

Solution:

What type of stresses are produced due to bending?

Thermal stresses

Normal stresses

Shear stresses

Tensile stresses

Solution:

What is the modulus of rigidity 'G' if the modulus of elasticity 'E' is 150 GPa and Poisson's ratio 'μ' is 0.50?

100 GPa

50 GPa

75 GPa

125 GPa

Solution:

Find the polar mass moment of inertia for an object with a mass of 8.6 kg and a radius of 0.12 m.

0.05262 kg-m^2

1.62481 kg-m^2

0.06192 kg-m^2

0.08975 kg-m^2

Solution:

Which of the following combinations of length (L) and least radius of gyration (K) represents a column?

L = 10 m, K = 5 m

L = 15 m, K = 5 m

L = 20 m, K = 2 m

L = 20 m, K = 6 m

Solution:

A shaft is connected to a motor rotating at 360 rpm and provides a torque of 150 Nm. Calculate the power transmitted by the shaft.

2400π watts

3600π watts

1800π watts

4500π watts

Solution:

Which of the following ratios is called tensile strain?

Change in length to area

Force to original length

Change in length to original length

Applied force to cross-sectional area

Solution:

A body is subjected to two normal stresses: 40 kN/m² (tensile) and 20 kN/m² (compressive), acting perpendicular to each other. What is the maximum shear stress in (kN/m²)?

10 kN/m²

20 kN/m²

30 kN/m²

40 kN/m²

Solution:

At a point in a strained material, the principal tensile stresses across two perpendicular planes are 80 N/mm^2 and 40 N/mm^2. Determine the normal stress on a plane inclined at 20 degrees.

120 N/mm^2

89.32 N/mm^2

75.32 N/mm^2

40 N/mm^2

Solution:

When does failure of material due to complex stresses occur according to the maximum strain energy theory?

When the total stored energy per unit volume at a point reaches the value of the strain energy stored per unit volume at the elastic limit.

When the total stored energy per unit volume at a point reaches the value of the yield point.

When the total stored energy per unit volume at a point exceeds the total strain energy caused by uniaxial stress at the elastic point.

When the total stored energy per unit volume at a point reaches the value of the strain energy stored per unit volume at the yield point.

Strength-of-materials Questions Set 9:

What term describes the degree of elasticity in different materials?

Solution:

What type of stresses are produced due to bending?

Solution:

What is the modulus of rigidity 'G' if the modulus of elasticity 'E' is 150 GPa and Poisson's ratio 'μ' is 0.50?

Solution:

Find the polar mass moment of inertia for an object with a mass of 8.6 kg and a radius of 0.12 m.

Solution:

Which of the following combinations of length (L) and least radius of gyration (K) represents a column?

Solution:

A shaft is connected to a motor rotating at 360 rpm and provides a torque of 150 Nm. Calculate the power transmitted by the shaft.

Solution:

Which of the following ratios is called tensile strain?

Solution:

A body is subjected to two normal stresses: 40 kN/m² (tensile) and 20 kN/m² (compressive), acting perpendicular to each other. What is the maximum shear stress in (kN/m²)?

Solution:

At a point in a strained material, the principal tensile stresses across two perpendicular planes are 80 N/mm^2 and 40 N/mm^2. Determine the normal stress on a plane inclined at 20 degrees.

Solution:

When does failure of material due to complex stresses occur according to the maximum strain energy theory?

Solution:

Related Question Sets:

Related Topics:

Strength-of-materials Questions Set 9:

What term describes the degree of elasticity in different materials?

Solution:

What type of stresses are produced due to bending?

Solution:

What is the modulus of rigidity 'G' if the modulus of elasticity 'E' is 150 GPa and Poisson's ratio 'μ' is 0.50?

Solution:

Find the polar mass moment of inertia for an object with a mass of 8.6 kg and a radius of 0.12 m.

Solution:

Which of the following combinations of length (L) and least radius of gyration (K) represents a column?

Solution:

A shaft is connected to a motor rotating at 360 rpm and provides a torque of 150 Nm. Calculate the power transmitted by the shaft.

Solution:

Which of the following ratios is called tensile strain?

Solution:

A body is subjected to two normal stresses: 40 kN/m2 (tensile) and 20 kN/m2 (compressive), acting perpendicular to each other. What is the maximum shear stress in (kN/m2)?

Solution:

At a point in a strained material, the principal tensile stresses across two perpendicular planes are 80 N/mm^2 and 40 N/mm^2. Determine the normal stress on a plane inclined at 20 degrees.

Solution:

When does failure of material due to complex stresses occur according to the maximum strain energy theory?

Solution:

Related Question Sets:

Related Topics:

A body is subjected to two normal stresses: 40 kN/m² (tensile) and 20 kN/m² (compressive), acting perpendicular to each other. What is the maximum shear stress in (kN/m²)?