Mechanical Engineering Mcqs
In a tensile test, near the elastic limit zone, the______________?

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

Rupture stress is________________?

A. Breaking stress
B. Maximum load/original cross-sectional area
C. Load at breaking point/a
D. Load at breaking point/neck area

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

The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

A. Elastic point of the material
B. Plastic point of the material
C. Breaking point of the material
D. Yielding point of the material

Flow stress corresponds to___________________?

A. Fluids in motion
B. Breaking point
C. Plastic deformation of solids
D. Rupture stress

The value of Poisson’s ratio for cast iron is_________________?

A. 0.1 to 0.2
B. 0.23 to 0.27
C. 0.25 to 0.33
D. 0.4 to 0.6

The energy absorbed in a body, when it is strained within the elastic limits, is known as________________?

A. Strain energy
B. Resilience
C. Proof resilience
D. Modulus of resilience