A.provide safe electrical power connection to barge equipment
B.keep the vessel from surging excessively
C.prevent an accidental discharge of static electricity
D.secure the cargo hose to a hatch when loading overall
您可能感興趣的試卷
你可能感興趣的試題
A.running rigging leading aft from the masts
B.running rigging leading forward from the masts
C.standing rigging leading aft from the masts
D.standing rigging from the cross trees to the mast head
A.including
B.besides
C.except
D.in addition to
A.hoisting cargo aboard a vessel
B.hoisting personnel aboard a vessel
C.securing a small boat to a large vessel
D.hoisting the anchor
A.slipway
B.graving dock
C.ground warp
D.caisson dock
A.Moving high weights lower
B.Adding weight at the tipping center
C.Moving a weight forward
D.Moving lower weight high
最新試題
Sudden starts or stops of the boom is likely to cause all of the following except（）.
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（）.
Which operation may cause the pressure in an inert tank to fall below the prescribed limits（）.
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
Most pedestal crane power is provided by（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
The item（）is not the advantage of the hydraulic winch．
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
What does “evel-luffing” accomplish during crane operations（）.
They（）loading at 1400 hours．