Civil Engineering MCQs

2965 MCQs  (Page 254 of 297)

The continuity equation is connected with_______________?
A. Viscous/unviscous fluids
B. Compressibility of fluids
C. Conservation of mass
D. Steady/unsteady flow
The angle of contact in case of a liquid depends upon____________________?
A. The nature of the liquid and the solid
B. The material which exists above the free surface of the liquid
C. Both of die above
D. Any one of the above
Rain drops are spherical because of____________________?
A. Viscosity
B. Air resistance
C. Surface tension forces
D. Atmospheric pressure
If the surface of liquid is convex, men_________________?
A. Cohesion pressure is negligible
B. Cohesion pressure is decreased
C. Cohesion pressure is increased
D. There is no cohesion pressure
To avoid an interruption in the flow of a syphon, an air vessel is provided______________?
A. At the inlet
B. At the outlet
C. At the summit
D. Ay nay point between inlet and outlet
The conditions for the stable equilibrium of a floating body are_______________?
A. The meta-center should lie above the center of gravity
B. The center of buoyancy and the center of gravity must lie on the same vertical line
C. A righting couple should be formed
D. All the above are correct