Poisson’s ratio is defined as the ratio of_________________?
(A) longitudinal stress and longitudinal strain
(B) longitudinal stress and lateral stress
(C) lateral stress and longitudinal stress
(D) lateral stress and lateral strain
(D) none of the above
The property of a material by virtue of which a body returns to its original, shape after removal of the load is called____________________?
(A) plasticity
(B) elasticity
(C) ductility
(D) malleability
(D) resilience
The buckling load for a given material depends on___________________?
(A) slenderness ratio and area of cross-section
(B) Poisson’s ratio and modulus of elasticity
(C) slenderness ratio and modulus of elasticity
(D) slenderness ratio, area of cross-section and modulus of elasticity
(D) Poisson’s ratio and slenderness ratio
The value of modulus of elasticity for mild steel is of the order of________________?
(A) 2.1xl05 kg/cm2
(B) 2.1 X 106 kg/cm2
(C) 2.1 x 107 kg/cm2
(D) 0.1 xlO6 kg/cm2 (<?) 3.8 x 106 kg/cm2
If a part is constrained to move and heated, it will develop ____________________?
(A) principal stress
(B) tensile stress
(C) compressive stress
(D) shear stress
(D) no stress
Which is the false statement about true stress-strain method______________?
(A) It does not exist
(B) It is more sensitive to changes in both metallurgical and mechanical conditions
(C) It gives, a more accurate picture of the ductility
(D) It can be correlated with stress-strain values in other tests like torsion, impact, combined stress tests etc.
(D) It can be used for compression tests as well.
For steel, the ultimate strength in shear as compared to in tension is nearly _________________?
(A) same
(B) half
(C) one-third
(D) two-third
(D) one-fourth
The strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is____________________?
(A) same
(B) twice
(C) four times
(D) eight times
(D) half
Proof resilience per material is known as________________?
(A) resilience
(B) proof resilience
(C) modulus of resilience
(D) toughness
(D) impact energy
The maximum strain energy that can be stored in a body is known as________________?
(A) impact energy
(B) resilience
(C) proof resilience
(D) modulus of resilience
(D) toughness