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

Venturimeter and orificemeter measures the _____________ of the fluid?

A. Pressure
B. Maximum velocity
C. Average velocity
D. Point velocity

Which of the following valves will incur maximum pressure drop for the same discharge of water ?

A. Globe valve
B. Gate valve
C. Needle valve
D. Butterfly valve

At low Reynolds number______________?

A. Viscous forces are unimportant
B. Viscous forces control
C. Viscous forces control and inertial forces are unimportant
D. Gravity forces control

Transition from laminar flow to turbulent flow is aided by the__________________?

A. Surface roughness and curvature (i.e. sharp corners)
B. Vibration
C. Pressure gradient and the compressibility of the flowing medium
D. All A., B. & C.

Bernoulli’s equation for fluid flow is derived following certain assumptions. Out of the assumptions listed below, which set of assumptions is used in derivation of Bernoulli’s equation? A. Fluid flow is frictionless & irrotational. B. Fluid flow is steady. C. Fluid flow is uniform & turbulent. D. Fluid is compressible. E. Fluid is incompressible ?

A. A, C, D
B. B, D, E
C. A, B, E
D. A, D, E

The simple Pitot tube does not measure the________________?

A. Static pressure
B. Dynamic pressure
C. Velocity at the stagnation point
D. All A., B. and C.

Specific speed of a centrifugal pump depends upon the ______________ head?

A. Suction
B. Delivery
C. Manometric
D. None of these

Multistage centrifugal pumps are generally used for________________?

A. High head
B. Low head but high discharge
C. Highly viscous liquid
D. Slurries of high solid concentration

Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the ____________ head?

A. Manometric
B. Total
C. Static
D. Friction