更多"What will cause the ARPA to emit a "的相关试题:
[单项选择]When using an ARPA，what should you consider in order to evaluate the information displayed?（）
A. The target vessel's generated course and speed are based solely on radar inputs
B. Navigational constraints may require a target vessel to change course
C. The trial maneuver feature will automatically determine a course that will clear all targets
D. You cannot determine if a small target has been lost due to sea return
[单项选择]Your ARPA has two guard zones.What is the purpose of the inner guard zone（）.
A. Alert the watch officer that a vessel is approaching the preset CPA limit
B. Warn of small targets that are initially detected closer than the outer guard zone
C. Guard against target loss during critical maneuvering situations
D. Sound an alarm for targets first detected within the zone
[单项选择]What alarm is NOT found on an inert gas system? （）
A. Low oxygen alarm
B. Low pressure alarm
C. Scrubber high water level alarm
D. Deck seal low water alarm
[单项选择]The ARPA may swap targets when automatically tracking if two targets（）.
A. are tracked on reciprocal bearings
B. are tracked at the same range
C. are tracked on the same bearing
D. pass close together
[单项选择]In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency.
A. fire fighting
B. leakage blocking
C. abandon ship
D. integration
[单项选择]Your ARPA has automatic speed inputs from the log．Due to currents，the log is indicating a faster speed than the speed over the ground.What should you expect under these circumstances（）.
A. The generated CPA will be less than the actual CPA
B. The generated TCPA will be later than the actual TCPA
C. The range of initial target acquisition will be less than normal
D. The targets true course vector will be in error
[单项选择]Your ARPA has been tracking a target and has generated the targets course and speed.The radar did not receive a target echo on its last two scans due to the weather.What should you expect under these circumstances（）.
A. The ARPA will generate data as if the target was still being tracked by radar
B. The ARPA will give an audible and/or visual lost target alarm
C. The ARPA will generate data based on sea return echoes from the vicinity where the target was lost
D. The ARPA has lost all memory of the target and must recompute the target data
[单项选择]Which ARPA data should you use in order to determine if a close quarters situation will develop with a target vessel? （）
A. Set and drift of the current
B. Relative track information
C. Predicted time of CPA
D. Initial range of acquisition
[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
[判断题]Internet的前身是美国国防部难研究计划局开发的ARPA网络。
[单项选择]The hydrocarbons they do emit are less likely to（）ozone.
A. general
B. generation
C. generate
D. generous
[判断题]ARPA网在逻辑上形成两级子网结构，资源子网和通信子网。
[填空题]站控画面Alarm一栏出现红色并闪烁，说明有新报警产生，如果Alarm一栏出现红色不闪烁，说明（）；如果Comms一栏出现浅蓝色，则表示有（）。
[单项选择]酶增强免疫测定技术（EMIT）是一种（）。
A. 固相酶免疫测定技术
B. 液相酶免疫测定技术
C. 均相酶免疫技术
D. 酶免疫组织化学技术
E. 酶免疫测定与电泳相结合的技术
[单项选择]
瞭望的手段有：（）
①视觉
②听力
③仪器（如雷达、ARPA、AIS、VHF）
A. ①
B. ①②
C. ①②③
[单项选择]The radiotelegraph alarm signal is（）.
A. SOS sent three times
B. ten one-second dashes with a four-second interval between them
C. twelve four-second dashes with a one-second interval between them
D. twelve one-second dashes with a short interval between them
[单项选择]An alarm device inserted between the deaerating tank and the expansion tank can notify the on-watching crew that （）
A. the expansion tank is lack of water
B. the expansion tank is over flowing
C. there is something wrong with the cooling system
D. there is something wrong with the engine
