A.winch speed
B.boom strength
C.load radius
D.cable strength
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A.discharging
B.recircling
C.loading
D.taking in
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
最新試題
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
When discharging an oil cargo，the first consideration is to（）.
How should you signal the crane operator to hoist（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
What is/are the advantage（s）of cranes over conventional cargo booms（）.
Which part provides for transverse control and positioning of a boom in a conventional yard and stay system（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
Official draft measurements should be（）by authorized persons，agreed by both parties involved.
Most pedestal crane power is provided by（）.