Hydraulics and Fluid Mechanics

A. the area is horizontal
B. the area is vertical
C. the area is inclined
D. all of the above
E. none of the above

A. when its meatcentric height is zero
B. when the metancentre is above e.g
C. when its e.g. is below it’s center of buoyancy
D. metacentre has nothing to do with position of e.g. for determining stability
E. none of the above

A. negligible
B. same as buoyant force
C. zero
D. non of these

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

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