A. bilge water may enter the exhaust pipe B. entry of air may cause vapor lock C. carbon monoxide may enter the interior of the vessel D. the joint gaskets may be blow
A. shape of the anchor B. stowage of the anchor on board C. anchor's ability to dig in D. size of the vessel and its draft
A. The bow will go to port B. The bow will go to starboard C. The bow will remain steady D. The stern will go to starboard
A. Globe valve Butterfly valve C. Gate valve D. Packless valve
A. 甲类、乙类和丙类 B. 甲类、乙类 C. 发现不明原因的群体性疾病 D. 甲类
A. increase the lifting capacity B. increase the lifting radius C. protect the slings D. protect the upper part of a load
A. camel B. dolphin C. rat guard D. wedge
A. shear ram B. blind ram C. pipe ram D. annular ram
A. cargo pump pressure gauges B. crossover lines interconnecting two pumps C. suction side of pumps D. atmosphere through pump vent
A. that the fuel valve is open B. if the air supply system is open C. if the water sprinkler system is open D. if the limit switch is o