更多"The explosive range of a mixture of"的相关试题:
[单项选择]Explosive and flammable gasses are most likely to be encountered on a vessel（）.
A. at any location
B. on the drill floor and liquid mud handling areas
C. in bulk storage tanks
D. in machinery spaces
[单项选择]A fuel-air mixture below the lower explosive limit is too（）.
A. rich to burn
B. lean to burn
C. cool to burn
D. dense to burn
[单项选择]Small quantities of flammable liquids needed at a work site should be（）.
A. used only under the supervision and direction of a ship's officer
B. tightly capped and stowed with other tools near the job site when securing at the end of the day
C. used only when a pressurized fire hose is laid out ready for immediate use
D. in a metal container with a tight cap
[单项选择]A tank vessel transferring non-flammable hazardous cargo in bulk must display warning signs. These signs must（）.
A. be visible from both sides and from forward and aft
B. indicate NO SMOKING
C. be displayed only while transferring cargo and fast to a dock
D. use black lettering on a white background
[单项选择]Fires in escaping flammable gas are quickly brought under control by（）
A. stopping the flow of gas
B. reducing the chemical chain reaction
C. increasing the oxygen supply
D. cooling below the autoignition point
[单项选择]When flammable liquids are handled in a compartment on a vessel，the ventilation for that area should be（）.
A. operated continuously while vapors may be present
B. operated intermittently to remove vapors
C. available on standby for immediate use
D. shut down if an explosive mixture is present
[单项选择]A fire of escaping liquefied flammable gas is best extinguished by（）.
A. cooling the gas below the ignition point
B. cutting off the supply of oxygen
C. stopping the flow of gas
D. interrupting the chain reaction
[单项选择]The tendency of a flammable liquid to vaporize is indicated by its （）.
A. ignition temperature
B. flash point
C. flammable range
D. convection index
[单项选择]Vapor given off by a flammable liquid will burn when ignited provided（）
A. the vapor and air mixture is too rich
B. it is mixed with certain proportions of air
C. the vapor is too little compared to the air
D. it is of heavy toxicity
[单项选择]If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
A. Make periodic inspections of bilges
B. Keep the barge under constant surveillance
C. Have a properly certificated tankerman or at least one licensed officer on board the towing vessel
D. Verify ullage readings
[单项选择]Goods of an inflammable，explosive or dangerous nature to the shipment whereof the carrier，master or agent of the carrier，has not consented，with knowledge of their nature and character，may at any time before discharge，（）at any place or destroyed or rendered innocuous by the carrier without compensation.
A. be loaded
B. be landed
C. be lended
D. be loaned
[单项选择]When required to work where there may be explosive gases, you should use tools which are （）
A. approved by the Coast Guard
B. high carbon steel
C. fixed with a ferrous cover
D. nonsparking
[单项选择]Cargoes which（）an explosive, inflammable, poisonous and corrosive nature are called dangerous goods.
A. is
B. are of
C. is of
D. are
[单项选择]Cargoes which（）an explosive，inflammable，poisonous and corrosive nature are called dangerous goods.
A. is
B. are of
C. is of
D. are
[单项选择]The remaining oil/water mixture now flows down into the fine separating compartment and moves slowly between the（） in the Turbulo separator.
A. catch plates
B. swash plates
C. cover plates
D. bedplates
[单项选择]No oil or mixture containing oil（）into singapore waters from any vessel.
A. shall noe be discharged
B. shall be discharged
C. shall be filled
D. shall noe be filled
[单项选择]No oil or mixture containing oil（）into Singapore waters from any vessel.
A. shall not be discharged
B. shall be discharged
C. shall be filled
D. shall not be filled
