Hydraulics and Fluid Mechanics

A. supersonics, as with projectile and jet propulsion
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
D. all of the above
E. none of the above

A. smooth and streamline flow
B. laminar flow
C. steady flow
D. turbulent flow
E. highly turbulent flow

A. frictional force
B. viscosity
C. surface friction
D. all of the above
E. none of the above

A. 1 Pa
B. 91Pa
C. 981 Pa
D. 9810 Pa
E. 98,100 Pa

A. less than 2000
B. between 2000 and 4000
C. more than 4000
D. less than 4000
E. none of the above

A. 10 kg
B. 100 kg
C. 1000 kg
D. 1 kg
E. 10,000 kg

A. mass
B. momentum
C. energy
D. work
E. force

A. high velocity
B. high pressure
C. weak material
D. low pressure
E. low viscosity

A. comparing two identical equipments
B. designing models so that the result can be converted to prototypes
C. comparing similarity between design and actual equipment
D. hydraulic designs
E. performing acceptance tests

A. the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid
B. pressure becomes more than critical pressure
C. flow is increased
D. pressure is increased
E. none of the above