A. adhesion
B. cohesion
C. viscosity
D. compressibility
E. surface tension
0
Poise is the unit of________________?
0
Barometer is used to measure__________________?
A. surface tension
B. capillarity
C. viscosity
D. shear stress in fluids
E. buoyancy
0
Center of buoyancy is the___________________?
A. pressure in pipes, channels etc.
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. rain level
0
Metacentre is the point of intersection of _________________________?
A. centroid of the displaced volume of fluid
B. center of pressure of displaced volume
C. e.g. of floating ‘body
D. does not exist
E. none of the above
0
Buoyant force is___________________?
A. vertical upward force through e.g. of body and center line of body
B. buoyant force and the center line of body
C. mid point between e.g. and center of buoyancy
D. all of the above
E. none of the above
0
A model of a reservior is drained in 4 mts by opening the sluice gate. The model scale is 1: 225. How long should it take to empty the prototype ?
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
0
Normal depth in open channel flow is the depth of flow corresponding to_______________?
A. 900 minutes
B. 4 minutes
C. 4 x (225)3/2 minutes
D. 4 (225)1/3 minutes
E. 4 x V225 minutes
0
For hypersonic flow, the Mach number is___________________?
A. steady flow
B. unsteady flow
C. laminar flow
D. uniform flow
E. critical flow