The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for ______________ fluid?

A. Fluid flow control is required
B. Fluid contains dispersed solid particles
C. Valve is required to be either fully open or fully closed
D. One way flow is required

A. Reduction of pressure to vapour pressure
B. Boundary layer thickness reducing to zero
C. Adverse pressure gradient
D. Reduction of pressure gradient to zero

A. Venturimeter
B. Pressure gauge
C. Pitot tube
D. Orificemeter

A. ML-2T-1
B. L2T-1
C. ML-2T-2
D. None of these

A. Always below the centroid of the area
B. Always above the centroid of the area
C. A point on the line of action of the resultant force
D. At the centroid of the submerged area

A. Conditions change steadily with time
B. Conditions are the same at the adjacent points at any instant
C. Conditions do not change with time at any point
D. Rate of the velocity change is constant