Hydraulics and Fluid Mechanics

A. upthrust
B. reaction
C. buoyancy
D. metacentre
E. center of pressure

A. above it
B. below it
C. at same point
D. above or below depending on area of body
E. none of the above

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. casS
D. cos 9
E. tan 9

A. Pascal’s law
B. Dalton’s law of partial pressure
C. Newton’s law of viscosity .
D. Avogadro’s hypothesis
E. Second law of thermodynamic

A. U-tube with water
B. inclined U-tube
C. U-tube with mercury
D. micro-manometer with water
E. displacement type

A. inertial force and gravity
B. viscous force and inertial force
C. viscous force and buoyancy force
D. pressure force and inertial force
E. pressure force and viscous force

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