更多"Radiation fog is more commonly enco"的相关试题:
[单项选择]The fog most commonly encountered at sea is called（）.
A. conduction fog
B. radiation fog
C. frontal fog
D. advection fog
[单项选择]Radiation fog（）.
A. always forms over water
B. is formed by a temperature inversion
C. is thinnest at the surface
D. dissipates during the evening
[单项选择]Advection fog is most commonly caused by（）.
A. air being warmed above the dew point
B. saturation of cold air by rain
C. a rapid cooling of the air near the surface of the Earth at night
D. warm moist air being blown over a colder surface
[单项选择]Fog is most commonly associated with a(n)（）.
A. warm front at night
B. low pressure area
C. anticyclone
D. lack of frontal activity
[单项选择]Which kind of fog is also named as ground fog?（）
A. Advection
B. Radiation fog
C. frontal fog
D. Steam fog
[单项选择]High-velocity fog（）.
A. is a finer，more diffuse water spray than low-velocity fog
B. requires that the water pressure be no greater than 60 psi
C. produces an effective fog pattern no more than 6 feet beyond the nozzle
D. extinguishes a fire by absorbing heat and reducing the supply of oxygen
[单项选择]The biggest problem encountered when towing bridle legs are too short is（）.
A. retrieval
B. adjusting tension
C. excessive strain
D. hookup to main towline
[单项选择]During the voyage he encountered boisterous winds and heavy weather during which time the vessel（）heavily and to such an extent that at times it was necessary to change course.
A. moved
B. labored
C. drove
D. went
[单项选择]Fog forms when the air（）.
A. Is 50% water saturated
B. Is 90% water saturated
C. Temperature is greater than the dew point temperature
D. Temperature is equal to，or below the dew point temperature
[单项选择]Which instrument is most useful in forecasting fog（）.
A. A barometer
B. An anemometer
C. A sling psychrometer
D. A pyrometer
[单项选择]Advection fog holds longest over which portions of the lakes?（）
A. Northwest
B. Southeast
C. Northeast
D. Southwest
[单项选择]Which hazard probably would NOT be encountered when entering an empty but uncleaned fish hold?（）
A. Lack of oxygen
B. Methane gas
C. Hydrogen sulfide gas
D. Carbon monoxide
[单项选择]Radiation spreads a fire by（）.
A. transferring heat across an unobstructed space
B. heated gases flowing through ventilation systems
C. burning liquids flowing into another space
D. transmitting the heat of a fire through the ship's metal
[单项选择]Uncharted lights, fog signals and radar beacon transmissions may be（）near the station.
A. encountered
B. met
C. contacted
D. seen
[单项选择]All fog signals shall be sounded every two minutes with the exception of a vessel（）.
A. underway or making way
B. under sail or under tow
C. anchored or aground
D. not under command or restricted in her ability to maneuver
