更多"[简答题]The test equipment box shall n"的相关试题:
[简答题]It shall be confirmed before electric test that the manual transition of each traction point is normal and the tested switch, the associated switches with follow up movement and protective switches can meet the transition conditions.
[单选题]On the mask stowage box, hold the reset/test button down, and press the emergency pressure selector. Check that the blinker turns ____ and ____. ????
A. yellow goes black
B. yellow remains yellow
C. black remains black
[单选题]If AC BUS 1 and 2 are not energized and the EMER GEN is not supplying,which of the following is true?
A. Battery 1 supplies the AC STAT INV BUS, and, if speed is greater than 50 kt, the AC ESS BUS.
B. Battery 2 supplies the DC ESS BUS.
C. All of the above
[简答题]All construction parties shall establish and improve quality assurance system,exercise wholeprocess control of construction quality,and implement lifelong quality accountability system.
[简答题]The selected construction scheme shall be safe and reliable,advanced in technology,easy to operate and the most optimized.
[简答题]External AC power supply shall be the primary power source for communication system. When external power supply is not available, internal power supply should be prepared.
[简答题]The design of high-speed railway shall follow the concept of people orientation and system optimization, comfort and economy, high-speed and short headway.
[简答题]The number of optical fiber cores shall be determined according to the network planning, reliability and service requirements and the structure of the optical cable. The number of reserved fiber should not be less than 50% of the total number of fiber in the new long-distance optical cable.
[简答题]Signal signs shall be set at the left side in train operation direction, and the tuning zone sign of track circuit of double-track section shall be set at the outer side of the track.
[单选题]What does ENG FIRE TEST pb test？
A. loops A and B,FDU，indicators and warning.
B. squib line
C. all of the above
[单选题]客户说“When shall we get the answer to the applications。”，此时可回答(____)。
A.Please write the application
B.You are welcome.
C.We'll give you a reply within 5 workdays..
D.This way please!
[单选题] 535
VRP操作平台中使用命令mkdir test,系统会创建一个名字为test的文件夹。
A.对
B.错
[简答题]The data communication network shall provide IP bearer network of wide area network for information systems such as railway transport organization, passenger and freight marketing, operation and management, as well as communication systems such as GSM-R and video-related systems.
[简答题]The clock synchronization network shall adopt hybrid synchronous networking with regional control and multi reference clock control method. The master slave synchronization mode shall be adopted in each synchronization region, and the quasi synchronization mode shall be adopted between regions.
[简答题]The design of railway communication shall comply with the requirements of reliability, availability, maintainability and safety for the equipment operation and maintenance.
