A.A centerline crane can never be operated in tandem B.One crane is able to work one end of two adjacent hatches C.These cranes are more economical and weigh less than outboard-mounted cranes D.One crane is able to work both sides of the ship
A.Moving high weights lower B.Adding weight at the tipping center C.Moving a weight forward D.Moving lower weight high
A.At a 45° angle B.At right angles C.4 feet aft of the heel of the boom D.Parallel to the boom
A.discharging B.recircling C.loading D.taking in
A.is the SWL of the crane B.are the SWL of the crane C.the SWL of the crane is D.the SWL of the crane are
A.Ensure that slings are securely fastened around the load B.Avoid careless winch operations，especially when handling fragile cargo C.Exercise care when using hooks，crowbars，and similar tools D.Keep the loads as close to the rail or deck as possible
A.Oil temperature B.Manifold pressure C.Exhaust gas temperature D.Fuel consumption
A.Cranes/derricks B.Crane/derrick cycles C.Crane/derrick cycle time D.Weight per package
A.to use B.to operate C.maneuvering D.using
A.arranging cargo B.shipping cargo C.cargo handling D.weighing cargo
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