更多"After several days of heavy rain th"的相关试题:
[单项选择]When using the ARPA in heavy rain，which action should you take? （）
A. Increase the radar gain to pick up weak echoes through the rain
B. Increase the STC setting to reduce close-in spurious signals
C. Navigate as though the effective range of the radar has been reduced
D. Increase the range of the inner and outer guard rings
[单项选择]The heavy rain stopped us（）at the station on time.
A. to arrive
B. arrive
C. arrived
D. from arriving
[单项选择]After so many days without rain, the ground quickly（）the little rain that fell last night.
A. dropped
B. flooded
C. grasped
D. absorbed
[单项选择]The rain was heavy and（）the visibility became very poor.
A. onsequently
B. constantly
C. continuously
D. consistently
[单项选择]A heavy steel curved arch constructed athwartships and above the after deck on a towing vessel is sometimes called a（）.
A. main brace
B. tow span
C. jockey bar
D. None of the above
[单项选择]One engine manufacturer recommends heavy fuel oil should not be heated above 80℃ to 95℃ (176 ℉ TO 203℉) before purificationThis upper limit should be observed to ensure against（）
A. flattening of the bowl neoprene O-rings
B. operation within the explosive rang of the fuel
C. excessive purifier operating pressures
D. excessive oil viscosity
[单项选择]The roof of our house is broken, so it needs（）
A. repaired
B. repairing
C. being repaired
D. to repair
[单项选择]ROOF、RLOF与段开销中（）节字有关。
A. A1、A2
B. B1、B2
C. E1、E2
D. K1、K2
[单项选择]Good seamanship while towing in heavy weather requires all of the following EXCEPT（）.
A. reducing speed to reduce surging on the towline
B. lashing down or stowing all loose gear
C. dogging all hatches and watertight doors
D. streaming all of your towing hawser
[单项选择]Connentrated heavy loads are involved in loading a lash vessel. What does not require close attention due to such loads while working cargo?（）.
A. GM-available and required
B. Longitudinal stress numberal
C. Tons per inch immersion numeral
D. Draft
[单项选择]Concentrated heavy loads are involved in loading a LASH vessel. What does NOT require close attention due to such loads while working cargo?（） .
A. GM - available and required
B. Longitudinal stress numeral
C. Tons per inch immersion numeral
D. Draft
[单项选择]Chain slings are suitable for heavy slender articles，such as（）.
A. timber or steel rails
B. locomotives or boilers
C. railway passenger coaches
D. motor vehicles
[单项选择]While maneuvering, you discover heavy smoke coming from the turbocharger casing, you should （）
A. check the air filter for dirt
B. check for an exhaust leak
C. check the cooling water temperature
D. notify the bridge that you are going to shut the engine down
[单项选择]Heavy soot accumulations in an auxiliary boiler could be caused by（）
A. water in the fuel oil
B. excessive cycling
C. high fuel oil pressure
D. improper burner maintenance
[单项选择]Oh, the box is too heavy（）
A. What‘s in it?
B. Can I help you to carry it.
C. Whose is it?
D. May I have a try.
[单项选择]When experiencing heavy winds，you should reef sails to（）.
A. bring the sails parallel to the wind
B. reduce sail area exposed to the wind
C. allow the sails to catch more wind
D. remove all tension on the main and jib sheets
[单项选择]In heavy weather you notice buckling in the midship deck plating of you vessel. To relieve the strain you could（）.
A. pump fuel oil from midships to the ends of the vessel
B. reduce speed
C. take a course which most eases the vessel
D. All of the above
[单项选择]When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.
A. approach while coming to the left to take advantage of the current
B. drop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beach
C. approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D. rig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers
