Railway Signal Engineering

  ATP( Automatic Train Protection) Features of ATP are 1)  Detection and Prevention of SPAD. 2) Cab Signalling with display of movement authority, target distance, speed and signal aspect. 3) Continuous train control  4) Prevention of speed restriction. 5) Detection of roll back 6) Blowing horn while approaching LC gate . Track Side Equipment of ATP a) RFID Tag b) Stationary unit  c) Radio As per RDSO Specification, RFID tag shall have minimum ingression protection level of IP 68 . Maximum distance between two normal tags in Block Section is 1000 m On board Equipment of ATP a) On Board Computer ( OBC) b) RFID reader consisting of two RFID Reader in hot standby. c) Driver Machine Interface( DMI), indications and non-resettable counters. d) Loco radio units consisting of two Radio Modems in hot standby with seperate cables and antenna for each radio. e) Pulse Generators( Speed Sensors) f) Train Interface Unit ( TIU) g) Interface to existing brake controls application of Normal/service/em

 Go through  SEM, Telecom manual,  all notes of IRISET,  All old Question papers for AOM, APO etc for Rajbhasa and establishment learn OSI model,  learn about Hub, router ,switch ART, ARMV, vital input output of EI Read the questions having long description,There are chances that we may get confused with the description and answer may be wrong. SEM based questions . RDSo specifications based questions 

  Sambhidhan Sabha has accepted hindi as Raj bhasa - 14 Sept 1949.That’s why 14 Sept is celebrated as Hindi Diwas . World Hindi Day - 10 January   The form of the numerals to be used for the official purposes of the union shall be international form of Indian numerals . When 80% of employees have acquired working knowledge of Hindi,  name of that central government office be notified in the gazette. Chairman of the official language implementation Committee at Divisional Railway Office- DRM. Chairman of Zonal Railways Official Language implementation Committee - GM Periodicity of meetings of Divisional Official language Implementation Committee- Once in 03 months. No of members in committee of Parliament on official language- 30 (20 Lok  Sabha + 10 Rajya Sabha). This Committee was established in year 1976 under Rajabhasa Act 1963.  It has 3 sub committee each has 10 members. It's Second sub committee, inspect the railway.  Central government is empowered to make rules to implement

  Max LAP approved one time - 180 days .( if available in his account). Max LHAP approved one time - 24 months ( if available in his account). Leave not due - Max 360 days in service. Can be sanctioned on medical grounds  Compensatory casual leave granted to Group C &D employees other than supervisory staff for attending on Sundays and holidays. Special casual leave    It is sanctioned for participation in sporting events/events of national importance,for scouting duties and family welfare. Special casual leave can be granted in following cases. Administration of operative society members. Participation in scouts . Participation in sports activities  Participation in railway union activities etc In bandh,curfew and national calamity. A railway Servant,who has taken CL for half a day on the afternoon of a working day due to unexpected sickness or compelling grounds and he has no CL at his credit, may as an exception to general rule,be permitted to combine half a day’s CL with regu