Civil Engineering MCQs

2965 MCQs  (Page 111 of 297)

The motion of air mass in a tornado is a________________?
A. Free vortex motion
B. Forced vortex motion
C. Free vortex at center and forced vortex outside
D. Forced vortex at center and free vortex outside
In steady flow of a fluid, the total accele ration of any fluid particle______________?
A. Can be zero
B. Is never zero
C. Is always zero
D. Is independent of coordinates
Which of the following is used to measure the discharge ?
A. Current meter
B. Venturimeter
C. Pitot tube
D. Hotwire anemometer
Size of a venturimeter is specified by________________?
A. Pipe diameter
B. Throat diameter
C. Angle of diverging section
D. Both pipe diameter as well as throat diameter
Coefficient of velocity of venturimeter_________________?
A. Is independent of reynolds number
B. Decreases with higher reynolds number
C. Is equal to the coefficient of discharge of venturimeter
D. None of the above