Resilience MCQs : This section focuses on the "Resilience". These Multiple Choice Questions (MCQs) should be practiced to improve the Resilience skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
A 1m long bar of uniform section extends 1mm under limiting axial stress of 200N/mm2. What is the modulus of resilience for the bar?
A. 0.1 units
B. 1 units
A square steel bar of 10mm side and 5m length is subjected to a load whereupon it absorbs a strain energy of 100J. what is its modulus of resilience?
A. 1/5 N-mm/mm3
B. 25 N-mm/mm3
C. 1/25 N-mm/mm3
D. 5 N-mm/mm3
A steel has its yield strength of 200N/mm2 and modulus of elasticity of 1x105MPa. Assuming the material to obey hookes law up to yielding, what will be its proof resilience?
A. 0.8 N/mm2
B. 0.4 N/mm2
C. 0.2 N/mm2
D. 0.6 N/mm2
Resilience of a material plays important role in which of the following?
A. Thermal stress
B. Shock loading
D. Pure static loading
The ability of a material to absorb energy when elastically deformed and to return it when unloaded is called __________
D. Strain resistance
The mathematical expression for resilience 'U' is __________
A. U = Ï2/E x volume
B. U = Ï2/3E x volume
C. U = Ï2/2E x volume
D. U = Ï/2E x volume
The maximum strain energy stored at elastic limit is __________
B. Proof resilience
The property by which an amount of energy is absorbed by material without plastic deformation is called __________
B. Impact strength
The strain energy stored in a specimen when stained within the elastic limit is known as __________
D. Stain energy
What is the modulus of resilience?
A. The ratio of resilience to volume
B. The ratio of proof resilience to the modulus of elasticity
C. The ratio of proof resilience to the strain energy
D. The ratio of proof resilience to volume
The mathematical expression for resilience ‘U’ is __________
A. U = σ2/E x volume
B. U = σ2/3E x volume
C. U = σ2/2E x volume
D. U = σ/2E x volume