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【单项选择题】 The discharge side of every fire pump must be equipped...

【单项选择题】 The discharge from a carbon dioxide fire extinguisher sh...

【单项选择题】 The disadvantage of using CO2 is that the（）.

【单项选择题】 The collision bulkhead shall be of（）.

【单项选择题】 The carrier is liable for loss of or damage to the go...

【单项选择题】 The canvas covering of fire hose is called the（）.

【单项选择题】 The brickwork surrounding the firebox of a boiler is kn...

【单项选择题】 The blocking or absence of fire dampers can cause（）.

【单项选择题】 The bilge pump on a fishing vessel（）.

【单项选择题】 The best method of extinguishing a class A fire is to...

【单项选择题】 The BEST method of applying foam to a fire is to（）.

【单项选择题】 The atmosphere in a tank is too lean if it is（）.

【单项选择题】 The all-purpose nozzle will produce a fog spray when y...

【单项选择题】 Small quantities of flammable liquids needed at a work ...

【单项选择题】 Since the fire is increasing on board the vessel，the C...

【单项选择题】 Shipping society approved buoyant work vests are consider...

【单项选择题】 Removing which will extinguish a fire?（）.

【单项选择题】 Regular foam can be used on all but which flammable li...

【单项选择题】 Recharging a previously used cartridge-operated dry-chemi...

【单项选择题】 Radiation spreads a fire by（）.

【单项选择题】 Prior to getting underway，the Master or person in charg...

【单项选择题】 Portable foam type fire extinguishers are most effective...

【单项选择题】 Portable fire extinguishers must be provided for the car...

【单项选择题】 Portable CO2 fire extinguishers should NOT be used to ...

【单项选择题】 Overhauling a fire in the living quarters on a vessel ...

【单项选择题】 Operation of the valve control release on a fixed CO2...

【单项选择题】 One of the limitations of foam as an extinguishing agen...

【单项选择题】 One disadvantage of using regular dry chemical (sodium ...

【单项选择题】 One advantage of the all-purpose nozzle is that it（）...

【单项选择题】 Once a vessel has loaded packaged hazardous cargo，the c...

【单项选择题】 On a ship，when may a work vest be substituted for a ...

【单项选择题】 On a ship，watertight doors should be operated（）.

【单项选择题】 On a ship，a fire drill shall be conducted once every（...

【单项选择题】 Lifesaving regulations require that a fire drill include...

【单项选择题】 How long must the records of tests and inspections of ...

【单项选择题】 Each crewmember has an assigned firefighting station. Th...

【单项选择题】 An advantage of an ABC dry chemical over a carbon diox...

【单项选择题】 After using a Halon extinguisher，it should be（）.

【单项选择题】 After using a C02 portable extinguisher，it should be（...

【单项选择题】 Accumulations of oily rags should be（）.

【单项选择题】 A high-velocity fog stream can be used in fire fightin...

【单项选择题】 A fire hose with a nozzle attached must be connected t...

【单项选择题】 If you are fighting a fire below the main deck of you...

【单项选择题】 It is necessary to secure the forced ventilation to a ...

【单项选择题】 At the required fire drill conducted aboard a vessel，al...

【单项选择题】 Carbon dioxide as a fire fighting agent has which advan...

【单项选择题】 A ROUND THROUGH THE VESSEL CARRIED OUT BY A CREW MEMBE...

【单项选择题】 Ordnance exercise is（）.

【单项选择题】 I’m on fire and have dangerous cargo on board.The mos...