Hydraulics and Fluid Mechanics

A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above

A. 10 m/sec
B. 25 m/sec
C. 2 m/sec
D. 50 m/sec
E. 250 m/sec

A. 1 : 5
B. 1 : 2.5
C. 1 :25
D. 1:V5″
E. 1 : 53/2

A. below the center of gravity
B. below the center of buoyancy
C. above the center of buoyancy
D. between e.g. and center of pressure
E. above the center of gravity

A. 900 minutes
B. 4 minutes
C. 4 x (225)3/2 minutes
D. 4 (225)1/3 minutes
E. 4 x V225 minutes

A. e.g. of body
B. center of pressure
C. center of buoyancy
D. metacentre
E. liquid surface

A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above

A. resultant force acting on a floating body
B. equal to the volume of liquid displaced
C. force necessary to keep a body in equilibrium
D. the resultant force on a body due to the fluid surrounding it
E. none of the above

A. the weight of the body
B. more than the weight of the body
C. less than the weight of the body
D. weight of the fluid displaced by the body
E. weight of body plus the weight of the fluid displaced hy the body

A. bottom surface of the body
B. e.g. of the body
C. metacentre
D. all points on the surface of the body
E. all of the above