Fluid Mechanics

A. cohesion pressure is negligible
B. cohesion pressure is decreased
C. cohesion pressure is increased
D. there is no cohesion pressure
E. none of the above

A. 1 mm
B. 5 mm
C. 10 mm
D. 20 mm
E. 30 mm

A. viscosity
B. air resistance
C. surface tension forces
D. atmospheric pressure
E. none of the above

A. the nature of the liquid and the solid
B. the material which exists above the free surface of the liquid
C. both of die above
D. any one of the above
E. none of die above

A. the meta-center should lie above the center of gravity
B. the center of buoyancy and the center of gravity must lie on the same vertical line
C. a righting couple should be formed
D. all the above are correct
E. none of the above is correct

A. meta center
B. center of pressure
C. center of buoyancy
D. center of gravity
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. increase
B. decrease
C. remain same
D. increase/decrease depending on depth of immersion
E. unpredictable

A. specific weight
B. specific mass
C. specific gravity
D. specific density
E. none of the above

A. 25 kN/m2
B. 245 kN/m2
C. 2500 kN/m2
D. 2.5kN/m2
E. 12.5 kN/m2