Category: Hydraulics and Fluid Mechanics

A. fluid
B. water
C. gas
D. perfect solid
E. ideal fluid

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

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

A. metres2 per sec
B. kg sec/meter
C. newton-sec per meter
D. newton-sec2 per meter
E. none of the above

A. less
B. more
C. equal
D. less at low temperature and more at high temperature
E. there is no such criterion

A. upthrust
B. buoyancy
C. center of pressure
D. all the above are correct
E. none of above is correct

A. steady uniform
B. non-steady non-uniform
C. non-steady uniform
D. steady non-uniform
E. true one-dimensional

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. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above