The free surface effects of a partially-full tank in a floating ship increase with the （).

A．volume of liquid in the tank

B．volume of displacement of the vessel

C．location of the tank in the vessel

D．height of the center of gravity of the vessel

What does NOT affect the value of the free surface correction ().

A.Width of the tank

B.Length of the tank

C.Registered tonnage

D.Specific gravity of the liquid in the tank

viding the vessel's displacement into the ______．

A.Transverse free surface correction for the vessel

B.Sum of the vertical moments of the vessel

C.Sum of the longitudinal free surface moments of the vessel

D.Longitudinal centerline of the vessel

and the ______．

A.volume of liquid in the tank

B.displacement of the vessel

C.location of the tank in the vessel

D.height of the center of gravity of the vessel

When displacement increases，the free surface corrections for slack tanks ______．

A.increase

B.decrease

C.are directly proportional

D.remain unchanged

The free surface effects of a partially full liquid tank decrease with increased ______．

A.Density of the liquid

B.Placement of the tank above the keel

C.Displacement volume of the ship

D.Size of the surface area in the tank

of the surface structure of the bonded material. Which are the major factors to be considered in explaining the adhesion phenomenon？

A．The color, surface electric resistance, free radical groups, and roughness of the material to be bonded

B．The weight, surface free energy, smell, and roughness of the material to be bonded

C．The wettability, surface free energy, polar groups, and roughness of the material to be bonded

D．The thickness, surface free energy, polar groups, and flatness of the material to be bonded

A.Reduce the free surface effect and raise the KG

B.Not have any effect on free surface and raise the KG

C.Reduce the free surface effect and lower the KG

D.Not have any effect on free surface and lower the KG

en having Δx, a height equal to the thickness of the thermal boundary laver, δ_tand a unit depth, as shown in the following figure. Assuming the constant temperatures at the flat surface T_s. and free flow surface T_∞

A．total weight of liquid loads

B．total displacement

C．lightweight

D．deadweight