Fluid Mechanics

A. product of pressure intensity at its centroid and area
B. force on a vertical projection of the curved surface
C. weight of liquid vertically above the curved surface
D. force on the horizontal projection of the curved surface

A. g/3
B. g/2
C. 2g/3
D. g

A. the pressure throughout the liquid mass is atmospheric
B. there will be vacuum in the liquid
C. the pressure in the liquid mass is greater than hydrostatic pressure
D. none of the above

A. 5kN
B. lOkN
C. 15 kN
D. 20 kN

A. centre of gravity and centre of buoy-ancy
B. centre of gravity and metacentre
C. centre of buoyancy and metacentre
D. free surface and centre of buoyancy

A. coincides with the centre of gravity
B. coincides with the centroid of the volume of fluid displaced
C. remains above the centre of gravity
D. remains below the centre of gravity

A. PA
B. pA sin 9
C. pA cos 9
D. pA tan 9

where p is pressure intensity at centroid of area and A is area of plane surface

A. 4 kN/m2
B. 10 kN/m2
C. 12 kN/m2
D. 14 kN/m2