更多"Cyclones that have warm sectors usu"的相关试题:
[单项选择]Cyclones that have warm sectors usually move（）.
A. westerly
B. parallel to the isobars in the warm sector
C. toward the nearest high pressure area
D. faster than the accompanying cold front
[单项选择]A:（）time do you have lunch? B: I usually have lunch at 12.
A. Where
B. What
C. When
[单项选择]I usually have breakfast（）about a quarter past seven.
A. at
B. for
C. pair
[单项选择]Excessively warm water leaving condenser may be caused by（）
A. fouled tubes in shell and tube condenser
B. too little or too warm condenser water
C. air or non-condensable gas in system
D. overcharge of refrigerant
[单项选择]To keep injured survivors warm in the water after abandoning a ship，they should（）.
A. be placed in the middle of a small circle formed by the other survivors in the water
B. float on their backs with their arms extended for maximum exposure to the air
C. remove their life preservers and hold on to the uninjured survivors
D. sip seawater at intervals of fifteen minutes
[单项选择]Lubricating systems for diesel engines are usually designed to initially provide lube oil to the engine （）
A. camshaft beatings
B. main bearings
C. piston crowns
D. cylinder walls
[单项选择]When attempting to restart a warm high-speed engine, which of the following reactions can you expect?（）
A. Excessive fuel
B. Higher than normal temperatures for star up
C. Longer starting periods
D. Higher than normal lube oil pressure
[单项选择]A warm air mass is characterized by（）.
A. stability
B. instability
C. gusty winds
D. good visibility
[单项选择]On the approach of a warm front the barometric pressure usually（）.
A. falls
B. rises
C. is steady
D. is unreliable
[单项选择]The cold ocean current which meets the warm Gulf Stream between latitudes 40°and 43°N to form the cold wall is called the（）.
A. North Cape Current
B. Labrador Current
C. Greenland Current
D. North Atlantic Current
[单项选择]An air mass is termed warm if（）.
A. it is above 70°F
B. the ground over which it moves is cooler than the air
C. it originated in a high pressure area
D. it originated in a low pressure area
[单项选择]The fog produced by warm moist air passing over a cold surface is called（）.
A. conduction fog
B. radiation fog
C. frontal fog
D. advection fog
[单项选择]The expression FIRST MAGNITUDE is usually used to refer only to bodies of magnitude（）.
A. 1.5 and greater
B. 1.25 and greater
C. 1.0 and greater
D. 0.5 and greater
[单项选择]Weather forecast messages are usually（）.
A. Given only to TV stations
B. Transmitted only by commercial broadcast stations
C. Broadcast in plain language
D. Broadcast immediately on VHF Channel 16 and 2182 kHz
[单项选择]Rivets are usually made of（）.
A. wrought-iron
B. aluminum
C. high-tensile steel
D. mild steel
[单项选择]All of the following records are usually maintained by the watch-standing officers aboard a vessel except the（）.
A. deck logbook
B. official logbook
C. compass record book
D. chronometer error book
[单项选择]We usually choose cargo-handing equipment according to（）.
A. the ship type
B. the port's organization
C. the cargo's nature
D. the docker's ability
[单项选择]Usually, emergency electricity supplies to on board（）
A. Cargo winch
B. Windlass
C. Steering gear
D. Main air compressor
[单项选择]Hydrocarbon vapors are usually detected by the use of the （）.
A. flame safety lamp
B. combustible gas indicator
C. gasometer
D. oxygen indicator
