更多"In some cases facilities may be pro"的相关试题:
[单项选择]Because the actual center of some planets may differ from the observed center，the navigator applies a correction known as the（）.
A. phase correction
B. refraction correction
C. semidiameter correction
D. augmentation correction
[单项选择]Some chloronated flourocarbon refrigerants may decompose into a toxic irritating gas if it is （）.
A. stored at temperatures below 60 degrees Fahrenheit
B. charged into a system having copper fittings
C. allowed to mix with compressor oil
D. exposed to an open flame or hot surface
[单项选择]当BAT电门在EMERG位，紧急接触器的控制电源来自（）
A. 每个电瓶向对应的紧急接触器供电
B. 1号电瓶向两个紧急接触器供电
C. 两个电瓶通过电瓶保护继电器
D. 1/2号电瓶向两个紧急接触器供电
[单项选择]当BAT电门在EMERG位，1号紧急接触器没有闭合，原因可能是（）
A. 1号紧急接触器故障
B. START PWR电门被锁死
C. 1号电瓶温度超过57摄氏度
D. 电流表按钮电门故障
[单项选择]Some TV programs are interesting but some others are（）and full of violence.
A. frightening
B. frightened
C. to be frightening
D. to be frightened
[单项选择]Attention is called to the fact in many cases pipelines are not buried and charted depth may be decreased（）up to teo meters.
A. with
B. by
C. on
D. in
[单项选择]Except in rare cases，it is impossible to extinguish a shipboard fire by（）.
A. removing the heat
B. removing the oxygen
C. removing the fuel
D. interrupting the chain reaction
[单项选择]Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
A. one nautical mile
B. two kilometers
C. 5 cables only
D. one fathom
[单项选择]In most cases，when a large merchant vessel enters shallow water at high speed the（）.
A. maneuverability will increase
B. speed will increase
C. bow will squat farther than the stern
D. vessel will rise slightly，on a level plane
[单项选择]Except in rare cases, it is impossible to extinguish a shipboard fire by （）.
A. removing the heat
B. removing the oxygen
C. removing the fuel
D. interrupting the chain reaction
[单项选择]In some type of two-stroke engines, besides some small holes for（）, starting valve, safety valve, indicator cock, and central opening in each cylinder cover for mounting the（）
A. fuel valves；exhaust valve
B. exhaust valves；inlet valve
C. fuel valves；inlet valve
D. exhaust valves；fuel valve
[单项选择]In all cases，however，the capacity of segregated ballast tanks shall be（）such that，in any ballast condition at any part of the voyage，including the conditions consisting of lightweight plus segregated ballast only，the ship’s draughts and trim can meet the necessary requirements.
A. at least
B. at most
C. so big as
D. as large as
[单项选择]In most cases，the mere reception or dumping down of the cargo on the ship（）involve completion of loading，because the operation of loading involves all that is required to put the cargo in a condition in which it can be carried．
A. is not
B. has not
C. do not
D. does not
[单项选择]In most cases，the direction of the apparent wind lies between the bow and（）.
A. the direction of the true wind
B. true north
C. the beam on the windward side
D. the beam on the lee side
[单项选择]For some years after his graduation, he（）some of his classmates, but as times went by, he dropped them one by one
A. caught up with
B. kept in touch with
C. kept up
D. made up with
[单项选择]In all but the most severe cases，bleeding from a wound should be controlled by（）.
A. applying direct pressure to the wound
B. submerging the wound in lukewarm water
C. cooling the wound with ice
D. applying a tourniquet
