A.discharging
B.recircling
C.loading
D.taking in
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A.Overloading
B.Overstowage
C.Overbooking
D.Overcarriage
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
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
最新試題
What is meant by the term“l(fā)uffing the boom”of a crane（）．
Running an electric winch at slow speed over a long period of time causes（）.
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
They（）loading at 1400 hours．
What is/are the advantage（s）of cranes over conventional cargo booms（）.
When using slings，cargo handlers should take all the following precautions except（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
How should you signal the crane operator to lower the boom and raise the load（）.