Explanation: Explanation : track route for establishing communication between train crew (in case of emergency), traction and permanent way staff with traction power controller and with section controller in non-RE area if control office does not have traction power controller. The emergency sockets are provided at an interval of 1 Km (Max.) along the route. They are also provided at FP/SP/SSPs, isolators in yards, LC gates and both sides of major bridges. Emergency control can be dispensed with specific approval of the Railway Board wherever any other form of emergency EMERGENCY CONTROL:Provided from selected points along the communication (MTRC etc.) is commissioned and put into use.

Explanation: Explanation : 180 metres in advance of the Home Signal where there are no points or the outermost points are trailing At a Class B station on double line with Absolute Block System and multiple aspect signalling, a Block Section Limit Board shall be provided , and it shall be located , protecting the fouling mark of the trailing points, if any. The on the board must . legend It must be either: face the station at night, or Illuminated (white lamp in both directions) Painted with retro-reflective coating

Explanation: Explanation : S. No. 12 years 4 25 years S. No. 7 OFC equipment and other electronic/wireless items 9 Class of Asset Cell phones Video Phones / WLL phones 8 years 11 12–15 years Batteries – WT for Drivers/Guards Batteries – WT for others 2 years Class of Asset

Explanation: Explanation : Works Budget: Open Line Works Budget otherwise known as 'Annual Works Programme' comprises estimates of requirements for Works against Demand No.16.

Explanation: Explanation : the Loco Pilot shall wait there for one minute by day and two minutes by night. If after waiting for this period, the signal continues to remain at `on`, then exchange signal with guard and proceed causiouly till the next signal. When phone communication is not available between IBS and the rear station, the loco pilot after waiting for 5 minutes can go beyond IBS at a

Explanation: Explanation : Improved durability in field conditions For extending subscriber telephone lines over , a cable with is required. long distances (up to 10 km) The twisted pair cable provides: lower resistance and better signal strength 0.63 mm conductor diameter PIJF (Polyethylene Insulated Jelly Filled) Lower line resistance

Explanation: Explanation : consists of: “Integrated Passenger Information System (IPIS) includes Automatic Announcement System, Train Arrival/Departure Indication Boards at platforms and stations, and Coach Guidance Display Boards.” A) Auto Announcement System IPIS (Integrated Passenger Information System) B) Train Indication Boards

Explanation: Explanation :

Explanation: Explanation : LDAP (Lightweight Directory Access Protocol) . (names, passwords, permissions) Users (hostnames, IP addresses) Computers LDAP is used to access and manage directory information services over an IP network. It stores details about:

Explanation: Explanation : RFID tag shall be as per following specifications:Suitable for reliable working at train speed upto 200 KMPH,Frequency of operation: 865-867 MHz, . Can be programmable with minimum 128 bits (including CRC) of user data, Shall be able to work even when submerged in water up to rail level,Communication Protocol – EPCGEN2-ISO-18000-6D, Shall have minimum IP 68 protection. It shall work after being submerged in 1 m depth water for 24 hours.