A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under_________________?
A. uniform throughout
B. increase uniformly
C. first increase…
Tensile strength of a material is obtained by dividing the maximum load during the test by the_________________?
A. area at the time of fractureB. original cross-sectional area
C. average of A. and B.
D. minimum area after fracture…
The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?
A. halfB. same amount
E. four times…
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/cm2B. 8…
In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?
A. moreB. less
D. more/less depending on composition
E. may have any value…