Fluid Mechanics

A. decreases with increase in temperature
B. increases with increase in temperature
C. is independent of temperature
D. is independent of pressure for very high pressure intensities

A. intensity of pressure and rate of angular deformation
B. shear stress and rate of angular deformation
C. shear stress, viscosity and temperature
D. viscosity and rate of angular deformation

A. at the centroid of the submerged area
B. always above the centroid of the area
C. always below the centroid of the area
D. none of the above

A. 3.75 m
B. 4.0 m
C. 4.2m
D. 4.5m

A. when its metacentric height is zero
B. when the metacentre is above the centre of gravity
C. when the metacentre is below the centre of gravity
D. only when its centre of gravity is below its centre of buoyancy

A. rise until its weight equals the buoyant force
B. tend to move downward and it may finally sink
C. float
D. none of the above

1. increases stability
2. decreases stability
3. increases comfort for passengers
4. decreases comfort for passengers
The correct answer is?
A. (1) and (3)
B. (1)and(iv)
C. (2) and (3)
D. (2) and (4)

A. center of gravity
B. center of buoyancy
C. center of pressure
D. metacentre

A. linearly with radial distance
B. as the square of the radial distance
C. inversely as the square of the radial distance
D. inversely as the radial distance

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