A.Regulation of discharge pressure from cargo pumps
B.Maintaining constant velocity in cargo lines
C.Regulation of suction head on cargo pumps
D.To maintain a tank or void at atmospheric pressure
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A.Electrical loading
B.Mechanical distribution
C.Compressibility of air
D.Mechanical friction
A.Maximum mooring line tension divided by the anchor's weight in air
B.Anchor's weight in air divided by the maximum mooring line tension
C.Preloading tension divided by the anchor's weight in air
D.Operating tension divided by the anchor's weight in air
A.Absorb erosion of high velocity discharge stream
B.Seal pump shaft against entry of air
C.Isolate the outlet side from the inlet side
D.Dampen the turbulent discharge flow
A.Oil temperature
B.Manifold pressure
C.Exhaust gas temperature
D.Fuel consumption
A.Enforcement of smoking restrictions
B.Restricting vessels from coming alongside the barge
C.Insuring that a combustible gas indicator is aboard
D.Protecting cargo hose with chafing gear
最新試題
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
How should you signal the crane operator to move slowly（）.
The net productivity per gang-hour can be improved through a decrease of（）.
When using slings，cargo handlers should take all the following precautions except（）.
What is/are the advantage（s）of cranes over conventional cargo booms（）.
On no account（）to be exceeded.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.