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
E. tensile strain remains constant
Related Mcqs:
- In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?
A. more
B. less
C. same
D. more/less depending on composition
E. may have any value - During a tensile test on a specimen of 1 cm cross-section, maximum load observed was 8 tonnes and area of cross-section at neck was 0.5 cm2. Ultimate tensile strength of specimen is___________________?
A. 4 tonnes/cm2
B. 8 tonnes/cm2
C. 16 tonnes/cm2
D. 22 tonnes/cm2
E. none of the above - The ratio of lateral strain to the linear strain within elastic limit is known as_______________?
A. Young’s modulus
B. bulk modulus
C. modulus of rigidity
D. modulus of elasticity
E. Poisson’s ratio - Percentage reduction of area in performing tensile test on cast iron may be of the order of__________________?
A. 50%
B. 25%
C. 0%
D. 15%
E. 60%. - The percentage reduction in area of a cast iron specimen during tensile test would be of the order of_________________?
A. more than 50%
B. 25—50%
C. 10—25%
D. 5—10%
E. negligible - In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called_____________?
A. creeping
B. yielding
C. breaking
D. plasticity
E. none of the above - Tensile strength of a material is obtained by dividing the maximum load during the test by the_________________?
A. area at the time of fracture
B. original cross-sectional area
C. average of A. and B.
D. minimum area after fracture
E. none of the above. - In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the_________________?
A. size of rivet
B. size of the drilled or reamed hole
C. average of size of rivet and hole
D. smaller of the two
E. any one of the above - The ultimate tensile stress of mild steel compared to ultimate compressive stress is__________________?
A. same
B. more
C. less
D. more or less depending on other factors
E. unpredictable - The materials having same elastic properties in all directions are called________________?
A. ideal materials
B. uniform materials
C. isotropic materials
D. paractical materials
E. elastic materials
