If percentage reduction in area of a certain specimen made of material 'A' under tensile test is 60% and the percentage reduction in area of a specimen with same dimensions made of material 'B' is 40%, then
Options
A. the material A is more ductile than material B
B. the material B is more ductile than material A
C. the ductility of material A and B is equal
D. the material A is brittle and material B is ductile
Correct Answer
the material A is more ductile than material B
More questions
1. The function of an oil control orifice is that it
Options
A. returns cylinder head lubricating oil to the oil pan at high speed
B. turns oil into fine mist for spray lubrication
C. regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
D. removes impurities from cylinder head lubricating oil