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# Strain Energy and Resilience Online Exam Quiz

Important questions about Strain Energy and Resilience. Strain Energy and Resilience MCQ questions with answers. Strain Energy and Resilience exam questions and answers for students and interviews.

Options

A : a. ?E/V

B : b. ?E²/V

C : c. ?V²/E

D : d. ?V²/2E

Options

A : a. s²V/2E

B : b. sV/E

C : c. sV²/E

D : d. sV/2E

### In a material of pure shear stress ?the strain energy stored per unit volume in the elastic, homogeneous isotropic material having elastic constants E and v will be:

Options

A : a. ?²/E x (1+ v)

B : b. ?²/E x (1+ v)

C : c. ?²/2E x (1+ v)

D : d. ?²/E x (2+ v)

Options

A : a. P²L³/3EI

B : b. P²L³/6EI

C : c. P²L³/4EI

D : d. P²L³/24EI

### A rectangular block of size 400mm x 50mm x 50mm is subjected to a shear stress of 500kg/cm². If the modulus of rigidity of the material is 1×10? kg/cm², the strain energy will be __________

Options

A : a. 125 kg-cm

B : b. 1000 kg-cm

C : c. 500 kg-cm

D : d. 100 kg-cm

### A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses ?? and ?? at a point in two dimensional stress system. The strain energy per unit volume of the material is __________

Options

A : a. (??² + ??² – 2???? ) / 2E

B : b. (??² + ??² + 2???? ) / 2E

C : c. (??² - ??² – 2???? ) / 2E

D : d. (??² - ??² + 2????) / 2E

### If forces P, P and P of a system are such that the force polygon does not close, then the system will __________

Options

A : a. Be in equilibrium

B : b. Reduce to a resultant force

C : c. Reduce to a couple

D : d. Not be in equilibrium

### The strain energy in a member is proportional to __________

Options

A : a. Product of stress and the strain

B : b. Total strain multiplied by the volume of the member

C : c. The maximum strain multiplied by the length of the member

D : d. Product of strain and Young’s modulus of the material

Options

A : a. WL / AE

B : b. W²L / 4AE

C : c. W²L / 2AE

D : d. WL / 4AE

Options

A : a. 1.1mm

B : b. 1.24mm

C : c. 2mm

D : d. 1.19mm

Options

A : a. 14 N-m

B : b. 15.9 N-mm

C : c. 15.9 N-m

D : d. 14 N-mm

### The ability of a material to absorb energy when elastically deformed and to return it when unloaded is called __________

Options

A : a. Elasticity

B : b. Resilience

C : c. Plasticity

D : d. Strain resistance

### The strain energy stored in a specimen when stained within the elastic limit is known as __________

Options

A : a. Resilience

B : b. Plasticity

C : c. Malleability

D : d. Stain energy

### The maximum strain energy stored at elastic limit is __________

Options

A : a. Resilience

B : b. Proof resilience

C : c. Elasticity

D : d. Malleability

### The mathematical expression for resilience ‘U’ is __________

Options

A : a. U = ?²/E x volume

B : b. U = ?²/3E x volume

C : c. U = ?²/2E x volume

D : d. U = ?/2E x volume

### What is the modulus of resilience?

Options

A : a. The ratio of resilience to volume

B : b. The ratio of proof resilience to the modulus of elasticity

C : c. The ratio of proof resilience to the strain energy

D : d. The ratio of proof resilience to volume

### The property by which an amount of energy is absorbed by material without plastic deformation is called __________

Options

A : a. Toughness

B : b. Impact strength

C : c. Ductility

D : d. Resilience

### Resilience of a material plays important role in which of the following?

Options

A : a. Thermal stress

C : c. Fatigue

Options

A : a. 0.8 N/mm²

B : b. 0.4 N/mm²

C : c. 0.2 N/mm²

D : d. 0.6 N/mm²

Options

A : a. 0.1 units

B : b. 1 units

C : c. 10units

D : d. 100units