fire drills
washing and cleaning
fumigation
quarantine
第1题:
Cross curves of stability show which of the following?
A.The righting arms at various angles of inclination and displacement
B.The metacentric height at large angles of heel
C.The height of the center of buoyancy at various angles
D.The metacentric radius at various displacements
第2题:
第3题:
A、believed
B、bewildered
C、convinced
D、argued
第4题:
水密舱()
第5题:
第6题:
Which of the following statements is FALSE,concerning the regulations pertaining to the cylinder room of a fixed CO2 fire extinguishing system ________.
A.The compartment must be properly ventilated
B.The temperature of the room should never exceed 130℉
C.The door must be kept unlocked
D.The compartment shall be clearly marked and identifiable
第7题:
第8题:
The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means ______.
A.fumigation
B.discharging
C.Compensation
D.displacement
第9题:
第10题:
氯化消毒副产物(chorinated disinfection by-producls)