Mechanical Engineering MCQs

A. Longitudinal stress
B. Hoop stress
C. Yeiled stress
D. Ultimate stress

A. jointless section
B. homogeneous section
C. perfect section
D. manufactured section

A. Maximum calculated value
B. Minimum calculated value
C. Mean value
D. Extreme value

A. From maximum at the center to zero at the circumference
B. From zero at the center to maximum at the circumference
C. From maximum at the center to mini-mum at the cricumference
D. From minimum at the centro to maxi-mum at the circumference

A. Increase key length
B. Increase key depth
C. Increase key width
D. Double all the dimensions

A. More inclined when moving
B. Less inclined when moving
C. More inclined when standing
D. Less inclined when standing

A. Same
B. More
C. Less
D. May be less of more depending on nature of surfaces and velocity

A. Equal to the moment of the couple
B. Constant
C. Both of above are correct
D. Both of above are wrong

A. Meet in a point
B. Be all parallel
C. At least two of them must meet
D. All the above are correct

A. Nature of surfaces
B. Area of contact
C. Shape of the surfaces
D. Ail of the above.