Fluid Mechanics

A. 1
B. 5
C. 7
D. 6

A. on the surface at which resultant pres-sure acts
B. on the surface at which gravitational force acis
C. at which all hydraulic forces meet
D. similar to metacentre
E. where pressure equivalent to hydraulic thrust will act

A. water surface
B. center of pressure
C. center of gravity
D. center of buoyancy
E. none of the above

A. at e.g. of body
B. at center of pressure
C. vertically upwards
D. at metacentre
E. vertically downwards

A. sin 9
B. sin 9
C. cas 9
D. cos 9
E. tan 9

A. pressure in pipes, channels etc
B. atmospheric pressure
C. very low pressure
D. difference of pressure between two points
E. velocity

A. sink to bottom
B. float over fluid
C. partly immersed
D. be fully immersed with top surface at fluid surface
E. none of the above

A. increases
B. decreases
A. remains unaffected
D. unpredictable
E. none of the above

A. Venturimeter
B. Orifice plate
C. nozzle
D. pitot tube
E. all of the above

A. Venturimeter
B. Orifice plate
C. hot wire anemometer
D. rotameter
E. pitot tube