A.increases as the cargo closes the head while hoisting
B.increases if the cargo runner is doubled up
C.decreases as the boom is topped to a greater angle
D.is determined by the thrust stresses on the boom
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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
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
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When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
Sudden starts or stops of the boom is likely to cause all of the following except（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
Which method should be used to warm up the pump turbines prior to discharge（）.
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
They（）loading at 1400 hours．
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
The item（）is not the advantage of the hydraulic winch．
The net productivity per gang-hour can be improved through a decrease of（）.
Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.