A. Temperature remains constant
B. Compressibility is greater than zero
C. Density does not change with pressure & temperature
D. Is frictionless
A. Dynamic similarity
B. Same efficiency
C. Same speed
D. Geometrical similarity
A. Motion
B. Pressure & temperature
C. Shearing stress
D. Both B. & C.
A. Velocity at a point in the flow
B. Pressure at a point
C. Average flow velocity
D. Pressure difference in pipe flow
A. For non-symmetrical bodies is not vertical
B. Depends on the depth of the submergence of the floating body
C. Depends on the weight of the floating body
D. None of these
A. Is an area meter
B. Is a variable head meter
C. Rotates an element at a speed determined by the velocity of the fluid in which the meter is
immersed
D. None of these
A. Provides back pressure for a cylinder
B. Unloads a pump
C. Is a directional control valve
D. None of these