The tendency of a liquid surface to contract is due to the following property_____________?
A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity
A. cohesion
B. adhesion
C. viscosity
D. surface tension
E. elasticity
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
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. zero
B. one-fourth its value when cylinder was full
C. one-half its value when cylinder was full
D. cannot be predicted from the given data
A. directly proportional to Reynolds number and independent of pipe wall roughness
B. directly proportional to pipe wall roughness and independent of Reynolds number
C. inversely proportional to Reynolds number and indpendent of pipe wall roughness
D. inversely proportional to Reynolds number and directly proportional to pipe wall roughness
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
A. Mach number
B. Froude number
C. Reynold’s number
D. Weber’s number
E. none of the above