單項(xiàng)選擇題When you hear three short blasts on the ships whistle and the same signal on the general alarm bells, you ().

A.are required to go to your life-raft
B.are dismissed from drills
C.should point to the man overboard
D.should start the fire pump


您可能感興趣的試卷

你可能感興趣的試題

2.單項(xiàng)選擇題Combustible material stored in a compartment adjacent to a compartment where there is a fire may be ignitedThis ignition can occur by ().

A.heat convection through the adjacent bulkheads
B.combustion gases carried through the ventilation system
C.direct convection of the heat emitted by the adjacent fire
D.heat radiated from the dock or bulkhead by the adjacent fire

3.單項(xiàng)選擇題The rate of expansion of heated fuel oil varies with the ().

A.conductivity
B.viscosity
C.volume
D.specific gravity

4.單項(xiàng)選擇題The heat generated by a fire will be transferred through a bulkhead or dock, as a result of ().

A.conduction
B.radiation
C.convection
D.advection

5.單項(xiàng)選擇題As its temperature rises, the volume of fuel oil in the tanks will ().

A.remain the same
B.increase
C.decrease
D.none of the above

最新試題

To proceed to the assistance of a ship in distress is()

題型:?jiǎn)雾?xiàng)選擇題

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()

題型:?jiǎn)雾?xiàng)選擇題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

題型:?jiǎn)雾?xiàng)選擇題

Flame failure in an automatically fired auxiliary boiler can from a/an ()

題型:?jiǎn)雾?xiàng)選擇題

When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

題型:?jiǎn)雾?xiàng)選擇題

For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()

題型:?jiǎn)雾?xiàng)選擇題

The main purpose of port State control is not to()

題型:?jiǎn)雾?xiàng)選擇題

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

題型:?jiǎn)雾?xiàng)選擇題

A purge recovery system is used in a centrifugal air conditioning or refrigeration system to ()

題型:?jiǎn)雾?xiàng)選擇題

Cold weather starting of a diesel engine may be made easier by()

題型:?jiǎn)雾?xiàng)選擇題