Halogenated hydrocarbon, Halon in short form,is used on board ship as ________ .
A.fire-extinguishing medium
B.a standard fire test
C.a non-combustible material
D.a fire main
第1题:
CO2 and Halon extinguishers are used for electrical fire, as well as ()fire.
第2题:
船舶的舱盖有多种类型。()
第3题:
在船上,打扫卫生是经常性工作。()
第4题:
There are several types of hatch covers on board ship.
There are several types of hatches on board ship.
There is one type of hatches on board ship.
There is one type of hatch covers on board ship.
第5题:
Seamen on board the ship are in two departments: Deck Department, Engine Department.
Seaman on board the ship are in two department: Deck Department, Engine Department and Service Department.
The Deck Department and the Engine Department are the two departments.
Seamen on board the ship are in three departments: the Deck Department, the Engine Department and the Service Department.
第6题:
Ship security plan
Company security plan
Port facility security plan
National security plan
第7题:
at
on
for
with
第8题:
duty
responsibility
job
work
第9题:
Cleaning is a frequent job at sea.
Painting is a frequent job on board a ship.
Cleaning is a frequent job on board a ship.
Repairing is a frequent job on board a ship.
第10题:
at the top of the flames
at the base of the fire near the edge
in short quick bursts
toward the upwind side of the fire
第11题:
3 short blasts of the ship's whistle
1 short blast of the ship's whistle
3 long blasts of the ship's whistle
1 long blast of the ship's whistle
第12题:
they are used as home when they are out.
they are short form of recreational vehicles.
they are the only home for the travelers.
they are just transportation tools.
第13题:
翻译:short form bill of lading
第14题:
The most common kinds of ()used on board ship are as follows: primer coat, undercoat, topcoat, heat-resistant paint, varnish and anti-fouling paint.
第15题:
接待来船办理业务的人员。()
第16题:
Governors
Alternators
Blackboards
Switchboards
第17题:
initiate a ship-to-shore security alert
transmit a ship-to-shore security alert
initiate an alert identifying the ship, its location
raise a security alarm on-board the ship indicating that the ship is under threat
第18题:
Diesel engines have more advantages in comparison with gasoline engines
Diesel engines have more advantages in comparison to gasoline engines
Gasoline engines have more advantages in comparison with diesel engines
Gasoline engines have more advantages in comparison to diesel engines
第19题:
more than 6 short blasts and 1 long blast on the whistle,and the same signal on the general alarm
continuous sounding of the ship's whistle and the general alarm for at least 10 seconds
1 short blast on the whistle
alternating short and long blasts on the ship's whistle
第20题:
starting diesel engines
pneumatic control systems
pneumatic tools
supercharging air
第21题:
non-synchronous electric motor
synchronous electric motor
fully enclosed electric motor
watertight electric motor
第22题:
outside
on class C fires
in an emergency
on class B fires
第23题:
nitrogen
oxygen
carbon dioxide
water vapor