更多"All of the following are part of th"的相关试题:
[单项选择]All of the following are part of the fire triangle EXCEPT （）.
A. fuel
B. oxygen
C. heat
D. electricity
[单项选择]Which of the following statements concerning fire-tube boilers is correct?（）
A. Combustion gases flow through the tubes
B. Flames impinge on the tubes
C. Combustion occurs in the tubes
D. Water flows through the tubes
[单项选择]What is the most vulnerable part of the fire main system on board an offshore rig?（）
A. The fire pump
B. Exposed hard piping
C. The hydrant valve
D. The fire hose
[单项选择]Each part of the fire-main system located on an exposed deck must be（）.
A. protected against freezing
B. locked to prevent theft
C. numbered sequentially
D. pressurized at all times
[单项选择]The following options are all the functions of lubricating oil except（）
A. removing heat and deposits
B. neutralizing acidic products
C. lubricating
D. improving combustion efficiency
[单项选择]A fire starts when the following （） factors come together.
A. combustible material
B. ignition source
C. oxygen
D. A and B and C
[单项选择]A fire may be spread by which of the following means?（）
A. Conduction of heat to adjacent surfaces
B. Direct radiation
C. Convection
D. All of the above
[单项选择]Which of the following items is necessary for all waste heat boiler installations, regardless of design or manufacturer? （）
A. Control of evaporation
B. A separate means to prevent feed-water contamination
C. Power circulating pump
D. Super-heater
[单项选择]Fire protection regulations for towing vessels allow all of these types of fuel piping，EXCEPT（）.
A. steel
B. aluminum in an aluminum-hulled vessel
C. schedule 80 fire resistant plastic pipe
D. nickel-copper，copper-nickel or annealed copper
[单项选择]All portable fire extinguishers must be capable of being（）.
A. carried by hand to a fire
B. carried or rolled to a fire
C. recharged in the field
D. used on class "B" fires
[单项选择]（）is main emergency fire system in all merchant ships.
A. CO2 system
B. Foam system
C. Dry power system
D. Water supply system
[单项选择]All of the following constitute special circumstances EXCEPT（）.
A. Three vessels meeting so as to cross each other's course
B. A vessel meeting a vessel that is backing out of a slip
C. An overtaking situation that has reached in extremis
D. A vessel fishing with nets meeting a sailing vessel
[单项选择]All of the following operating characteristics are listed on the name-plates of motors used aboard ship except the（）
A. temperature rise
B. input kilowatts
C. horsepower
D. operating voltage
[单项选择]All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
A. location
B. height of light above water
C. luminous range
D. light characteristics
[单项选择]All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.
A. a green star signal
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arms
[单项选择]All of the following records are usually maintained by the watch-standing officers aboard a vessel except the（）.
A. deck logbook
B. official logbook
C. compass record book
D. chronometer error book
