Strength of Materials

A. the floor is smooth, the wall is rough
B. the floor is rough, the wall is smooth
C. the floor and wall both are smooth surfaces
D. the floor and wall both are rough sur-faces
E. will be in equilibrium under all condi-tions

A. balance each other
B. produce a couple and an unbalanced force
C. are equivalent
D. produce a moment of couple
E. can not balance each other

A. resultant couple
B. moment of the forces
C. resulting couple
D. moment of the couple
E. none of the above

A. the center of heavy portion
B. the bottom surface
C. the mid point of its axis
D. all of the above
E. none of the above

A. the point of C.G.
B. the point of metacentre
C. the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
D. point of suspension
E. the point in a body about which it can rotate horizontally and oscillate under the influence of gravity

A. kg m2
B. m4
C. kg/m2
D. m3
E. kg/m4

A. concurrence of the medians
B. intersection of its altitudes
C. intersection of bisector of angles
D. intersection of diagonals
E. all of the above

A. compression or tension
B. buckling or shear
C. shear or tension
D. all of the above
E. bending

A. 2.5 cm
B. 3.0 cm
C. 4.0 cm
D. 5.0 cm
E. 2.0 cm

A. The C.G. of a circle is at its center
B. The C.G. of a triangle is at the intersection of its medians
C. The C.G. of a rectangle is at the inter-section of its diagonals
D. The C.G. of a semicircle is at a distance of r/2 from the center
E. The C-G. of an ellipse is at its center