Question 1

The calculation of the moment of the body due to the loadings involve a quantity called ____________

Accepted Answer

A) Moment 
B) Inertia 
C) Moment of Inertia 
D) Rotation 
A) Moment 
B) Inertia 
C) Moment of Inertia 
D) Rotation C

Question 2

Which type of load is applied in tensile testing?

Accepted Answer

A) Axial load 
B) Shear load 
C) Transverse load 
D) Longitudinal load 
A) Axial load 
B) Shear load 
C) Transverse load 
D) Longitudinal load C

Question 3

In a tensile test, near the elastic limit zone, the

Accepted Answer

A) tensile strain increases more quickly 
B) tensile strain decreases more quickly 
C) tensile strain increases in proportion to the stress 
D) tensile strain decreases in proportion to the stress 
A) tensile strain increases more quickly 
B) tensile strain decreases more quickly 
C) tensile strain increases in proportion to the stress 
D) tensile strain decreases in proportion to the stress A

Question 4

Resilience of a material is considered when it is subjected to

Accepted Answer

A) frequent heat treatment 
B) fatigue 
C) creep 
D) shock loading 
A) frequent heat treatment 
B) fatigue 
C) creep 
D) shock loading

Question 5

Which law is also called as the elasticity law?

Accepted Answer

A) Bernoulli's law 
B) Stress law 
C) Hooke's law 
D) Poisson's law 
A) Bernoulli's law 
B) Stress law 
C) Hooke's law 
D) Poisson's law

Question 6

Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400C. what will be developed?

Accepted Answer

A) Compressive stress 
B) Tensile stress 
C) Shear stress 
D) No stress 
A) Compressive stress 
B) Tensile stress 
C) Shear stress 
D) No stress

Question 7

The ratio between direct stress and volumetric strain is:

Accepted Answer

A) Bulk modulus 
B) Poisson's ratio 
C) Factor of safety 
D) Modulus of rigidity 
A) Bulk modulus 
B) Poisson's ratio 
C) Factor of safety 
D) Modulus of rigidity

Question 8

The energy absorbed in a body, when it is strained within the elastic limits, is known as

Accepted Answer

A) strain energy 
B) resilience 
C) proof resilience 
D) modulus of resilience 
A) strain energy 
B) resilience 
C) proof resilience 
D) modulus of resilience

Question 9

The modulus of rigidity and poisson?s ratio of a material are 80 GPa and 0.3 respectively. Its young?s modulus will be

Accepted Answer

A) 160 GPa 
B) 208 GPa 
C) 120 GPa 
D) 104 GPa 
A) 160 GPa 
B) 208 GPa 
C) 120 GPa 
D) 104 GPa

Question 10

Rupture stress is

Accepted Answer

A) breaking stress 
B) maximum load/original cross-sectional area 
C) load at breaking point/A 
D) load at breaking point/neck area 
A) breaking stress 
B) maximum load/original cross-sectional area 
C) load at breaking point/A 
D) load at breaking point/neck area

Question 11

If the value of poisson?s ratio is zero

Accepted Answer

A) the lateral strain is high 
B) the material is perfectly elastic 
C) there is no linear strain in the material 
D) none of the above 
A) the lateral strain is high 
B) the material is perfectly elastic 
C) there is no linear strain in the material 
D) none of the above

Question 12

The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

Accepted Answer

A) more than 50% 
B) 25-50% 
C) 10-25% 
D) negligible. 
A) more than 50% 
B) 25-50% 
C) 10-25% 
D) negligible.

Question 13

The stress necessary to initiate yielding is

Accepted Answer

A) considerably greater than that necessary to continue it 
B) considerably lesser than that necessary to continue it 
C) greater than that necessary to stop it 
D) lesser than that necessary to stop it 
A) considerably greater than that necessary to continue it 
B) considerably lesser than that necessary to continue it 
C) greater than that necessary to stop it 
D) lesser than that necessary to stop it

Question 14

The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m2. if the external diameter of the column is 30cm, what will be the internal diameter?

Accepted Answer

A) 25 cm 
B) 26.19cm 
C) 30.14 cm 
D) 27.9 cm 
A) 25 cm 
B) 26.19cm 
C) 30.14 cm 
D) 27.9 cm

Question 15

The Young?s modulus of elasticity of a material is 2.5 times its modulus of rigidity. The Poisson?s ratio for the material will be

Accepted Answer

A) 0.25 
B) 0.33 
C) 0.50 
D) 0.75 
A) 0.25 
B) 0.33 
C) 0.50 
D) 0.75

Question 16

Moment of Inertia is the integration of the square of the distance of the centroid and the del area along the whole area of the structure.

Accepted Answer

A) True 
B) False 
C) none 
D) all 
A) True 
B) False 
C) none 
D) all

Question 17

Elongation of a bar of uniform cross section of length „L?, due to its own weight „W? is given by

Accepted Answer

A) 2WL/E 
B) WL/E 
C) WL/2E 
D) WL/3E 
A) 2WL/E 
B) WL/E 
C) WL/2E 
D) WL/3E

Question 18

What is parallel axis theorem and to whom it is applied?

Accepted Answer

A) Theorem used to add the two mutually perpendicular moment of inertias for areas 
B) Theorem used to add the two mutually perpendicular moment of inertias for volumes 
C) Theorem used to add the two mutually perpendicular moment of inertias 
D) Theorem used to add the two mutually perpendicular moment of inertias for vectors 
A) Theorem used to add the two mutually perpendicular moment of inertias for areas 
B) Theorem used to add the two mutually perpendicular moment of inertias for volumes 
C) Theorem used to add the two mutually perpendicular moment of inertias 
D) Theorem used to add the two mutually perpendicular moment of inertias for vectors

Question 19

In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________

Accepted Answer

A) Linearly 
B) Non-Linearly 
C) Parabolically 
D) Cubically 
A) Linearly 
B) Non-Linearly 
C) Parabolically 
D) Cubically

Question 20

The parallel axis theorem gives the moment of inertia ______________ to the surface of considerance.

Accepted Answer

A) Linear 
B) Non-Linear 
C) Perpendicular 
D) Parallel 
A) Linear 
B) Non-Linear 
C) Perpendicular 
D) Parallel

The calculation of the moment of the body due to the loadings involve a quantity called ____________

Which type of load is applied in tensile testing?

In a tensile test, near the elastic limit zone, the

Resilience of a material is considered when it is subjected to

Which law is also called as the elasticity law?

Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400C. what will be developed?

The ratio between direct stress and volumetric strain is:

The energy absorbed in a body, when it is strained within the elastic limits, is known as

The modulus of rigidity and poisson?s ratio of a material are 80 GPa and 0.3 respectively. Its young?s modulus will be

Rupture stress is

If the value of poisson?s ratio is zero

The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

The stress necessary to initiate yielding is

The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m². if the external diameter of the column is 30cm, what will be the internal diameter?

The Young?s modulus of elasticity of a material is 2.5 times its modulus of rigidity. The Poisson?s ratio for the material will be

Moment of Inertia is the integration of the square of the distance of the centroid and the del area along the whole area of the structure.

Elongation of a bar of uniform cross section of length „L?, due to its own weight „W? is given by

What is parallel axis theorem and to whom it is applied?

In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________

The parallel axis theorem gives the moment of inertia ______________ to the surface of considerance.

Mechanical Properties and Deformation of Materials

Columns, Beams and Shear Force Diagrams

Mechanics of Materials: Understanding Stress, Strain, and Energy Storage in Materials

Moment of Inertia, Bending Moment, and Shear Force for Beams

Bending Moment and Shear Force Diagrams for Beams

Understanding Bending Stresses in Beams

Filters

Exam 3: Materials Mechanics and Elasticity

The calculation of the moment of the body due to the loadings involve a quantity called ____________

Which type of load is applied in tensile testing?

In a tensile test, near the elastic limit zone, the

Resilience of a material is considered when it is subjected to

Which law is also called as the elasticity law?

Consider a 250mmx15mmx10mm steel bar which is free to expand is heated from 150C to 400C. what will be developed?

The ratio between direct stress and volumetric strain is:

The energy absorbed in a body, when it is strained within the elastic limits, is known as

The modulus of rigidity and poisson?s ratio of a material are 80 GPa and 0.3 respectively. Its young?s modulus will be

Rupture stress is

If the value of poisson?s ratio is zero

The percentage reduction in area of a cast iron specimen during tensile test would be of the order of

The stress necessary to initiate yielding is

The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m2. if the external diameter of the column is 30cm, what will be the internal diameter?

The Young?s modulus of elasticity of a material is 2.5 times its modulus of rigidity. The Poisson?s ratio for the material will be

Moment of Inertia is the integration of the square of the distance of the centroid and the del area along the whole area of the structure.

Elongation of a bar of uniform cross section of length „L?, due to its own weight „W? is given by

What is parallel axis theorem and to whom it is applied?

In the calculation of the radius of gyration, we use intensity of loadings. So whenever the distributed loading acts perpendicular to an area its intensity varies __________

The parallel axis theorem gives the moment of inertia ______________ to the surface of considerance.

Mechanical Properties and Deformation of Materials

Columns, Beams and Shear Force Diagrams

Mechanics of Materials: Understanding Stress, Strain, and Energy Storage in Materials

Moment of Inertia, Bending Moment, and Shear Force for Beams

Bending Moment and Shear Force Diagrams for Beams

Understanding Bending Stresses in Beams

Filters

The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m². if the external diameter of the column is 30cm, what will be the internal diameter?