更多"To determine the number of portable"的相关试题:
[单项选择]To determine the number of portable fire extinguishers required on an inspected vessel，you should check the（）.
A. hot work permit
B. Certificate of Inspection
C. Safety of Life at Sea Certificate
D. station bill
[单项选择]A portable foam fire extinguisher is placed in operation by（）
A. turning it upside down
B. pressing the foam lever
C. squeezing the grip handle
D. opening the hose valve
[单项选择]The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is（）.
A. one A-I
B. one B-I
C. one C-I
D. none required
[单项选择]The discharge from a carbon dioxide fire extinguisher should be directed（）.
A. at the base of the flames
B. at the center of the flames
C. to the lee side of the flames
D. over the tops of the flames
[单项选择]On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
[单项选择]A fire in electrical equipment should be extinguished by using（）.
A. salt water
B. foam
C. low-velocity fog
D. CO2
[单项选择]On a class “B” fire，which portable fire extinguisher would be the LEAST desirable?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Dry chemical
D. Foam
[单项选择]Which portable fire extinguisher is normally recharged in a shore facility?（）
A. Dry chemical (cartridge-operated)
B. Water (cartridge-operated)
C. Water (pump tank)
D. Carbon dioxide
[单项选择]Portable carbon dioxide fire extinguishers should be sent ashore to be recharged （）.
A. when the remaining charge volume is less than 90 percent of the required VOLUME
B. at each inspection for certification
C. at each annual inspection
D. when the weight loss exceeds 10% of weight of charge
[单项选择]Each hand portable，semi-portable and fixed fire extinguishing unit on a ship must be tested and inspected at least once every（）.
A. six weeks
B. six months
C. twelve months
D. two years
[单项选择]A galley grease fire on the stove may be extinguished using（）.
A. water
B. foam
C. the range hood extinguishing system
D. fire dampers
[单项选择]Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.
A. only when fully loaded
B. if one or more tanks are full
C. when transferring cargo
D. only when the barge is being towed
[单项选择]Each hand portable fire extinguisher must be marked with（）.
A. the name of the vessel on which it is located
B. the date that it was installed
C. the names of the individuals qualified to use it
D. an identification number
[单项选择]Which types of portable fire extinguishers are designed for use on electrical fires?（）
A. Dry chemical and carbon dioxide
B. Foam (stored pressure) and soda-acid
C. Carbon dioxide and foam (stored pressure)
D. Dry chemical and soda-acid
[单项选择]Which portable fire extinguisher should be used on a class C fire on board a vessel?（）
A. Carbon dioxide
B. Water (stored pressure)
C. Foam
D. Carbon tetrachloride
[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]A portable dry chemical fire extinguisher discharges by（）.
A. gravity when the extinguisher is turned upside down
B. pressure from a small CO2 cartridge on the extinguisher
C. air pressure from the hand pump attached to the extinguisher
D. pressure from the reaction when water is mixed with the chemical
