True Stress Strain Curve MCQs : This section focuses on the "True Stress Strain Curve". These Multiple Choice Questions (MCQs) should be practiced to improve the True Stress Strain Curve skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Materials in general have higher elastic strain of 50% order.
A. True
B. False
Question 2
Plastic instability occurs when the slope of the true stress strain curve ____ the true stress at the point.
A. Exceeds
B. Equals
C. Is less
D. Is less or higher
Question 3
The points on the true stress strain curve ______ the conventional stress strain curves up to the onset of necking.
A. Lie on the left of
B. Lie on the right of
C. Superimpose
D. May lie on left or right
Question 4
True strain is ____ than the engineering strain corresponding to a given load.
A. Larger
B. Smaller
C. Equal
D. Either smaller or equal
Question 5
True stress strain curve _______
A. Continuously rises
B. After yield point comes down
C. After yield point remains constant
D. Uncertain after yield point
Question 6
True stress value is affected by strain hardening.
A. True
B. False
Question 7
True value of stress experience by material _____ than the conventional one for a given load.
A. Higher
B. Lower
C. Equal
D. Higher or lower
Question 8
What is a relation between true and engineering strain?
A. ƐT = ln (1 + Ɛ)
B. ƐT = ln (L/L0)
C. ƐT = ln (ΔL/L0)
D. ƐT = ΔL/L0
Question 9
What is an expression of true stress?
A. Pu / Ai
B. Pu / A0
C. P / Ai
D. P / A0
Question 10
What is considered more in mechanical working processes?
A. Yield stress
B. Shear stress
C. True stress
D. Engineering stress
Question 11
What term defines plastic instability?
A. dP = constant
B. dP = 0
C. dP < 0
D. dP > 0