A.horizontal position of the boom
B.vertical position of the boom
C.horizontal position of the load being lifted
D.vertical position of the load being lifted
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A.length of the boom
B.angle of the boom
C.lifting capacity of the boom
D.direction of the boom
A.to use
B.to operate
C.maneuvering
D.using
A.is the S.W.L. of the crane
B.are the S.W.L. of the crane
C.the S.W.L. of the crane is
D.the S.W.L.of the crane are
A.boom angle
B.boom strength
C.load radius
D.cable strength
A.dock riser
B.ship's cargo tanks
C.shore tank discharge
D.All of the above
最新試題
Sudden starts or stops of the boom is likely to cause all of the following except（）.
The item（）is not the advantage of the hydraulic winch．
Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
When using slings，cargo handlers should take all the following precautions except（）.
When discharging oil from an oil tanker the instantaneous rate（）60 liters per nautical mile.
Which of the following statement（s）is/are FALSE regarding a twin pedestal crane set （）.
When discharging an oil cargo，the first consideration is to（）.
Which method should be used to warm up the pump turbines prior to discharge（）.
Regulations concerning the stowage，lashing，and securing of timber deck cargoes aboard general cargo vessels may be found in the（）.
Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.