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Questions and Answers

What type of token instrument is mentioned in the document?

'A' Type Token Instrument - Metallic Return (correct)

'D' Type Token Instrument - Hydraulic Return

'B' Type Token Instrument - Electrical Return

'C' Type Token Instrument - Pneumatic Return

Which chapter deals with Outdoor Signalling - Installation, Testing and Maintenance of Equipment?

Chapter 19 (correct)

Chapter 21

Chapter 18

Chapter 20

What is Drg No. 19-D7?

Shunt Signal Foundation (correct)

Apparatus Case Full Size Foundation

Main Signal Post Earthing Arrangement

Main Signal Post Foundation

What is the topic of Chapter 20?

Automatic Block Signalling Signup and view all the answers

What is Drg No. 21-D1?

Automatic Signalling Scheme With OFC, MSDAC & OC Signup and view all the answers

How many sheets are there in Drg No. 20-D1?

3 Signup and view all the answers

What is Drg No. 19-D1?

Apparatus Case Full Size Foundation Signup and view all the answers

What is the topic of Chapter 19?

Outdoor Signalling - Installation, Testing and Maintenance of Equipment Signup and view all the answers

What is the page number of the drawing for Track Lead Cable Connections in the Indian Railways Signal Engineering Manual (IRSEM) Version 3.0?

42 Signup and view all the answers

What is the type of token instrument shown in Drg No. 18-D6?

A ‘A’ Type Token Instrument- Earth Return Signup and view all the answers

What is the size of the sheet for Drg No.17-D2: Track Circuit Bonding Diagram for Typical 4 Road Station?

A3 Size Signup and view all the answers

What is the page number of the Scheme of Power Supply Arrangement for Distributed EI?

32 Signup and view all the answers

What is the drawing number for Cable Plan for Electric Lifting Barrier (ELB) at Station?

Drg No.15-D10 Signup and view all the answers

How many sheets are there in Drg No.16-D1: Power Supply Arrangement for Central EI?

4 Signup and view all the answers

What is the page number of the IB Hut Layout Plan (Double Line/Single Line)?

45 Signup and view all the answers

What is the purpose of the Filter Unit for Block Circuits?

To filter out unwanted signals in block circuits Signup and view all the answers

What is the purpose of the drawings in Appendix II of the IRSEM?

To provide a detailed guide for signal engineers and technicians Signup and view all the answers

What is the numbering convention used for the drawings in Appendix II?

A combination of chapter and drawing numbers Signup and view all the answers

Who publishes the Signal Engineering Manual?

Indian Railways Institute of Signal Engineering and Telecommunications, Secunderabad Signup and view all the answers

What is the primary objective of the IRSEM?

To ensure reliability, availability, and maintainability of signal systems Signup and view all the answers

What is the purpose of the disclaimer in Appendix II?

To inform that the drawings are for guidance only and do not endorse specific equipment or brands Signup and view all the answers

What is the version of the IRSEM mentioned in the preface?

Version 3.0 Signup and view all the answers

What should be considered while customizing the drawings in Appendix II?

Both site conditions and zonal railways practices Signup and view all the answers

What is the relationship between the drawings in Appendix II and the provisions in the concerned chapter of the SEM?

The drawings should be read in conjunction with the provisions in the SEM Signup and view all the answers

Study Notes

Index of Appendix II: Drawings Booklet of Indian Railways Signal Engineering Manual (IRSEM) Version 3.0

The appendix contains drawings for guidance, which can be customized according to site conditions, equipment type and size, and zonal railways practices.

Drawings and Chapters

Chapter 16: Power Supply systems for Signalling Installations
- Drg No.16-D1: Scheme of Power Supply Arrangement for Distributed EI (Sheets-4)
- Drg No.16-D2: Power Supply Arrangement for Central EI (Sheets-4)
- Drg No.16-D3: IPS Arrangement for Interlocked LC Gate & IBS (Sheets-2)
Chapter 17: Train Detection - Track Circuits & Axle Counters
- Drg No.17-D1: Drawing for Track Lead Cable Connections
- Drg No.17-D2: Track Circuit Bonding Diagram for Typical 4 Road Station (Double Line) (A3 Size)
- Drg No.17-D3: Cross Bonding in Double Line and Single Line Track Circuits, Earth wire in Single Line
Chapter 18: Block Instruments, BPAC & IBS Working
- Drg No. 18-D1: IB Hut Layout Plan (Double Line/Single Line)
- Drg No. 18-D2: IB Signalling with MSDAC & OFC (Double Line) (Sheets-2)
- Drg No. 18-D3: IB Signalling with MSDAC & OFC (Single Line) (Sheets-2)
- Drg No. 18-D4: Filter Unit for Block Circuits
- Drg No. 18-D5: Protective Devices for AC Electrified Area of Neales ‘A’ Type Token Instrument- Earth Return
- Drg No. 18-D6: Protective Devices for AC Electrified Area of Neales ‘A’ Type Token Instrument - Metallic Return
- Drg No. 18-D7: Double Line Block Working with Protective Device for AC Electrified Area
Chapter 19: Outdoor Signalling - Installation, Testing and Maintenance of Equipment
- Drg No.19-D1: Apparatus Case Full Size Foundation
- Drg No.19-D2: Apparatus Case Half/Quarter Size Foundation
- Drg No.19-D3: Main Signal Post Foundation (Sheets-2)
- Drg No.19-D4: Shunt Signal Foundation
- Drg No.19-D5: Drawing of Earthing for S&T Installation
- Drg No.19-D6: Earthing Arrangement for Signals, Location Boxes
- Drg No.19-D7: Copper Plate Earthing Arrangement
- Drg No.19-D8: Full Location Wiring Format
- Drg No.19-D9: Half Location Wiring Format
- Drg No.19-D10: Signal Markers & Number Plates (Sheets-10)
Chapter 20: Automatic Block Signalling
- Drg No 20-D1: Automatic Signalling Scheme With OFC, MSDAC & OC (sheets-3)
Chapter 21: Relay & Electronic Interlocking
- Drg No.21-D1: S&T Building Plan upto 4 Road Stations
- Drg No 21-D2: S&T Building Plan for 5 to 8 Road Stations
- Drg No 21-D3: S&T Building Plan for End Goomties (EI)
- Drg No 21-D4: ASM Room Layout Plan

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