A. Lies above its centre of buoyancy
B. And centre of buoyancy coincide
C. Lies below its centre of buoyancy
D. Lies above its metacentre
A. Angular velocity
B. Fanning friction factor
C. Specific volume
D. None of these
A. Linear with radius for turbulent flow only
B. Linear with radius for laminar flow only
C. Linear with radius for both laminar & turbulent flow
D. Parabolic with radius for both laminar & turbulent flow
A. Cc . Cv
B. Cc . Cd
C. Cv . Cd
D. Cd/Cv
A. Zero at the pipe wall and is a universal constant
B. Independent of radial distance from the pipe axis
C. Independent of the shear stress
D. Useful for computing laminar flow problems
A. Placed farther from the wall
B. Not affected by other particles and the wall
C. Near each other
D. None of these
A. Normal
B. Local
C. Convective
D. Tangential
A. Cv . √(2gH)
B. Cc . √(2gH)
C. Cd . √(2gH)
D. Cv . Va
A. Pitot tube
B. Manometer
C. Rotameter
D. None of these
A. Inverse of the roughness
B. First power of the roughness
C. Square of the velocity
D. Inverse square of hydraulic radius