A.one meter from the tank bottom and one meter below the tank top
B.one half the ullage of the tank and one meter below the tank top
C.one half the ullage of the tank and one meter above the tank bottom
D.at three meter intervals from the tank top
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A.winch speed
B.boom strength
C.load radius
D.cable strength
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
最新試題
On no account（）to be exceeded.
How should you signal the crane operator to lower the boom and raise the load（）.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
Which statement comparing a shipboard crane to conventional gear is TRUE（）.
When using slings，cargo handlers should take all the following precautions except（）.
Which statement is TRUE concerning the placard entitled Discharge of Oil Prohibited（）.
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
When viewed from above，the best position for the guy in relation to the boom is（）.
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
If an attempt is made to hoist a load that exceeds the capacity of an electric winch，an overload safety device causes a circuit breaker to cut off the current to the winch motor（）.