reduces and prevents corrosion of standing rigging
prevents corrosion of running rigging
reduces and prevents wear caused by the rubbing of one object against another
protects the body against extreme cold
第1题：
Chafing gear ______.
A.reduces and prevents corrosion of standing rigging
B.prevents corrosion of running rigging
C.reduces and prevents wear caused by the rubbing of one object against another
D.protects the body against extreme cold
第2题：
Chafing gear(防摩擦装置) is used to______．
A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines
第3题：
Wear occurring at the tips of the reduction gear teeth is usually the result of ______.
A.surface fatigue
B.fretting corrosion
C.heavy overloading
D.gear misalignment
第4题：
Enforcement of smoking restrictions
Restricting vessels from coming alongside the barge
Insuring that a combustible gas indicator is aboard
Protecting cargo hose with chafing gear
第5题：
Gear box
第6题：
The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the ______．
A.deck
B.head of the boom
C.heel of the boom
D.mast or king post
第7题：
盘车装置（turning gear）
第8题：
A storm is forecast for the area where your vessel is moored. For its safety you should put ______.
A.more slack in the mooring lines
B.a strain on the mooring lines
C.chafing gear on the mooring lines
D.grease on the mooring lines
第9题：
控制面板显示EnvTem、GeaOilLev表示：（）
第10题：
insure that the hawser leads directly aft as it passes over the stern of the towing vessel
increase the stability of the towing vessel by raising the hawser off the deck
reduce chafing of the towing hawser
prevent fouling of the hawser on deck gear located on the stern of the towing vessel