At low Reynolds number______________? A. Viscous forces are unimportant B. Viscous forces controlC. Viscous forces control and inertial forces are unimportant D. Gravity forces control

Which of the following valves will incur maximum pressure drop for the same discharge of water ? A. Globe valve B. Gate valveC. Needle valve D. Butterfly valve

Venturimeter and orificemeter measures the _____________ of the fluid? A. Pressure B. Maximum velocityC. Average velocity D. Point velocity

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an _____________ fluid? A. Newtonian B. Non-Newtonian C. Ideal D. Incompressible

In the low Reynolds number region, the drag force on a sphere is proportional to_______________? A. V B. V2 C. V4 D. V0.5

Capillary tube method of viscosity measurement is based on the ________________? A. Hagen-Poiseuille’s equation B. Stoke’s law C. Navier-stokes equation D. None of these

Nominal Pipe Size (NPS) of a pipe less than 12 inches in diameter indicates its________________? A. Inner diameter B. Outer diameter C. ThicknessD. Neither inner nor outer diameter

The friction factor for turbulent flow in a hydraulically smooth pipe______________? A. Depends only on Reynolds number B. Does not depend on Reynolds number C. Depends on the roughness D. None of these

The continuity equation___________________? A. Is independent of the compressibility of the fluid B. Is dependent upon the viscosity of the fluidC. Represents the conservation of mass D. None of these

Rubber latex is an example of a ______________ fluid? A. Pseudo plastic B. Bingham plastic C. Dilatent D. Newtonian