Civil Engineering MCQs

2965 MCQs  (Page 87 of 297)

D’ Alembert’s principle is used for___________________?
A. Reducing the problem of kinetics to equivalent statics problem
B. Determining stresses in the truss
C. Stability of floating bodies
D. Designing safe structures
According to Lami’s theorem________________?
A. The three forces must be equal
B. The three forces must be at 120° to each other
C. The three forces must be in equilibrium
D. If the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two
In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than___________________?
A. Two members with unknown forces of the frame
B. Three members with unknown forces of the frame
C. Four members with unknown forces of the frame
D. Three members with known forces of the frame
Center of gravity of a solid cone lies on the axis at the height_______________?
A. One-fourth of the total height above base
B. One-third of the total height above base
C. One-half of the total height above base
D. Three-eighth of the total height above the base
Center of gravity of a thin hollow cone lies on the axis at a height of________________?
A. One-fourth of the total height above base
B. One-third of the total height above base
C. One-half of the total height above base
D. Three-eighth of the total height above the base