Course Content
Diesel Traction & Trainsets
Disaster Management, Safety
EnHM, Planning & PCO
G K
Numerical Aptitude
Carriage & Wagon Theory for LDCE(Mech)

difficult new lhb coaches

This enables remote monitoring of coach systems.

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1. What is the exact GSM/GPRS functionality of PICcU?

These are specifically located in the lavatories.

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2. What is the exact number of heat activated sensors and their location?

These progress from warning to action as smoke/heat increases.

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3. What are the exact three levels of response in fire detection system?

This unit provides an overview of the entire rake's status.

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4. What is the exact purpose of the central monitoring unit (CMU) in fire detection system?

These are distributed inside the generator room.

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5. What is the exact number of nozzles in the power car fire suppression system?

This involves detectors, crew alert, and manual activation.

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6. What is the exact detection and response mechanism for fire in power cars?

High pressure gas propels the water through nozzles.

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7. What is the exact mechanism of water mist dispersion in power car fire suppression?

There are more water cylinders than nitrogen cylinders.

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8. What is the exact number of water and nitrogen cylinders in power car fire suppression system?

These are three distinct areas of the coach.

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9. What are the exact locations where fire and smoke detection system has smoke sampling points?

The focus is on their function, not a specific count.

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10. What is the exact number of PA Couplers used for interconnection and their purpose?

Data is sent to a remote server for analysis.

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11. What is the exact data transmission method used by Energy Harvester based sensor?

The system can store faces and generate alerts when detected.

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12. What is the exact function of CCTV analytics module for blacklisted persons?

This allows passengers to alert the train supervisor during emergencies.

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13. What is the exact purpose of the Emergency Talk Back System in Smart Coach?

These enable the system to work across multiple coaches.

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14. What is the exact function of PA Couplers in the Public Address system?

Three languages are used, including the local regional language.

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15. What are the exact languages used in PIS display?

These are for food and beverage service without full pantry.

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16. What are the exact three equipment provided where mini pantry is not available?

These are FRP panels with specific color schemes.

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17. What are the exact materials used for improved sidewall and ceiling panels in Antyodaya Coach?

This involves a single shaft with a button for recline, not rotation control.

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18. What is the exact mechanism for seat rotation in Vistadome Coach?

This is an adjustable foot rest with a specific number of positions.

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19. What is the exact number of steps in the foot rest of Vistadome Coach seats?

These are pocket sliding doors for easy loading/unloading.

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20. What is the exact number of sliding doors in High Capacity Parcel Van?

The number of compartments is one more than the number of partitions.

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21. What is the exact number of collapsible partitions and compartments in High Capacity Parcel Van?

The sequence progresses from notification to action based on severity.

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22. What is the exact response sequence of fire detection system based on smoke/heat level?

This matches the number of lavatories in the coach.

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23. What is the exact number of heat activated sensors in lavatories?

This is a crew-operated system, not fully automatic.

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24. What is the exact mechanism of the fire suppression system operation?

This system uses one gas cylinder and two liquid cylinders with multiple nozzles.

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25. What are the exact components of the fire suppression system in power cars with quantities?

These are distributed in compartment, doorway, and electrical panel areas.

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26. What is the exact number of smoke sampling points and their distribution in passenger coaches?

Row 1 shows static information, Row 2 shows scrolling information.

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27. What are the exact row-wise display details on the Digital Destination Board?

This is a modern touch screen with anti-vandal properties.

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28. What is the exact screen size of the PICcU and what type of touch technology is used?

The character height is optimized for a specific visibility distance.

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29. What is the exact character height and visibility distance of the Digital Destination Board?

This gives ample time for scheduled maintenance planning.

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30. How many months prior can the Energy Harvester system detect wheel and bearing defects before they become critical?

This provides standby storage in case of hard disk failure.

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31. What is the exact SD card backup capacity provided for CCTV system?

This system records continuously with loop recording capability.

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32. What is the exact hard disc capacity and loop recording duration of the NVR system?

These are distributed between passenger area and doorway areas.

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33. What is the exact number and distribution of CCTV cameras in Humsafar coaches?

These are equally distributed on left and right sides.

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34. What is the exact number of opalescence glass units in Vistadome Coach and their distribution?

This is an increase from the standard AC 3-tier configuration.

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35. What is the exact number of berths increased from and to in AC 3-tier Economy coach?

This value is in cubic meters.

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36. What is the exact total volume of the High Capacity Parcel Van?

This value is in KN (kiloNewtons).

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37. What is the exact air suspension capacity fitted in the High Capacity Parcel Van?

One standard is for static loads, the other for crashworthiness.

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38. What are the exact static and crashworthiness standards complied by the monocoque shell design?

This value is measured in Mega Joules and exceeds 5.

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39. What is the exact impact load capacity for which the Uday coach shell design has been simulated for crashworthiness?

This is a specific UIC standard value for compressive load.

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40. What is the exact compressive load capacity the Uday coach diamond shape underframe can carry as per UIC standard?

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