燃烧与爆炸题库_燃烧与爆炸试题_燃烧与爆炸在线答题_燃烧与爆炸搜题在线使用拍照解题

单项选择题 On a hydrocarbon flammability chart the line which e...

单项选择题 If，during helicopter refueling operations，fuel is spi...

单项选择题 Each part of the fire-main system located on an ex...

单项选择题 Each hose in the fuel transfer system for helicopter...

单项选择题 Each hand portable fire extinguisher must be marked ...

单项选择题 Each fireman’s outfit and its spare equipment on a...

单项选择题 Each fire pump on a ship must have a pressure gaug...

单项选择题 Each fire hydrant serving machinery spaces containing...

单项选择题 Each fire hydrant must have at least one spanner an...

单项选择题 Each fire hose coupling on a ship must have threads...

单项选择题 During the required periodic abandon ship drill aboar...

单项选择题 During a training exercise a submarine indicating tha...

单项选择题 During a fire drill on a ship，what action is requi...

单项选择题 Due to the hazards involved with Halon extinguishers...

单项选择题 Dry chemical fire extinguishers are effective on whic...

单项选择题 Dry chemical extinguishers extinguish class B fires t...

单项选择题 Convection spreads a fire by（）.

单项选择题 Controls for a fixed carbon dioxide system shall be...

单项选择题 Control of flooding should be addressed（）.

单项选择题 Control of fire on a ship should be addressed（）.

单项选择题 Combustible gas indicators measure the presence of co...

单项选择题 CO2 extinguishes a fire by（）.

单项选择题 Cargo transfer operations on a tanker need NOT be s...

单项选择题 Blocking open or removing fire dampers can cause（）...

单项选择题 Before using a fixed CO2 system to fight an engine...

单项选择题 Before a tank is to be crude oil washed，the oxygen...

单项选择题 Backfire flame arrestors are installed on（）.

单项选择题 Automatic fire dampers in ventilation systems are ope...

单项选择题 Automatic fire dampers in ventilation systems are ope...

单项选择题 According to the T-Boat regulations the reason for ...

单项选择题 A fire starting by spontaneous combustion can be exp...

单项选择题 A fire pump may be used for other purposes if（）.

单项选择题 A fire must be ventilated（）.

单项选择题 A fire main system must have enough fire hydrants s...

单项选择题 A fire is discovered in the forepeak of a vessel a...

单项选择题 A fire in electrical equipment should be extinguished...

单项选择题 A fire in a ballast pumproom can be brought under ...

单项选择题 A fire hose has a（）.

单项选择题 A fire has broken out on the stern of your vessel...

单项选择题 A definite advantage of using water as a fire extin...

单项选择题 A cutoff valve in the fire-main system of a ship ...

单项选择题 A combustible gas indicator meter is calibrated to r...

单项选择题 A class C fire would be burning（）.

单项选择题 A class B fire is most successfully fought by（）.

单项选择题 A Certificate of Inspection issued to a small passen...

单项选择题 A carburetor is required to have a safety device ca...

单项选择题 A carbon dioxide fire extinguisher should be recharge...

单项选择题 The emergency signal for fires is sounded on the sh...