Mechanical Engineering MCQs

A. Austenite
B. Pearlite
C. Ferrite
D. Cementlte

A. Stages at which allotropic forms change
B. Stages at which further heating does not increase temperature for some time
C. Stages at which properties do not change with increase in temperature
D. There is nothing like points of arrest

A. Increase
B. Decrease
C. Remain same
D. First increase and then decrease

A. Elastic properties in all directions
B. Stresses induced in all directions
C. Thermal properties in all directions
D. Electric and magnetic properties in all directions

A. Creep
B. Hot tempering
C. Hot hardness
D. Fatigue

A. In which parts are not loaded
B. In which stress remains constant on in-creasing load
C. In which deformation tends to loosen the joint and produces a stress reduced
D. Stress reduces on increasing load

A. Low carbon steel
B. Medium carbon steel
C. High carbon steel
D. Alloy steel

A. Unaltered
B. Increased
C. Decreased
D. Advanced

A. Ability to undergo large permanent deformations in compression
B. Ability to recover its original form
C. Ability to undergo large permanent deformations in tension
D. All of the above

A. 0.334027778
B. 0.500694444
C. 0.625694444
D. 0.834027778