RFID in Railway Systems Quiz

350mm ± 50mm.

750mm.

It calculates based on the distance traveled from the last RFID tag through speed sensing arrangement.

<p>The LC gate tag is provided on both sides of the LC gate as required by the operating railway; it is an optional requirement.</p> Signup and view all the answers

<p>It acts on the information received and logs the missing RFID tag to transmit to NMS.</p> Signup and view all the answers

<p>Tag missing indication.</p> Signup and view all the answers

<p>The adjacent line tag is used to specify information related to adjacent lines.</p> Signup and view all the answers

<p>It monitors for single or duplicated missing tags and sends this information to the NMS.</p> Signup and view all the answers

<p>The Adjustment/Junction Tag is used for absolute location correction and direction reset.</p> Signup and view all the answers

<p>It shall stop the radio communication.</p> Signup and view all the answers

<p>The Vital Computer architecture shall be minimum 2 out of 2.</p> Signup and view all the answers

<p>SIL-2 of CENELEC or equivalent international standards.</p> Signup and view all the answers

<p>The Vital Computer has a Real Time Clock synchronization facility with GNSS clock.</p> Signup and view all the answers

<p>The Stationary KAVACH must interface with signalling inputs, network monitoring systems, and have 08 communication Ethernet ports.</p> Signup and view all the answers

<p>The USB/Ethernet interface connects a laptop for downloading log and diagnostic data.</p> Signup and view all the answers

<p>The VDU displays real-time loco movements and signal aspects but is optional according to zonal railway needs.</p> Signup and view all the answers

<p>It allows the system to continue in FS mode until the approaching signal foot, and then switch to SR mode beyond that.</p> Signup and view all the answers

<p>It is calculated as the actual radio hole distance plus 10 seconds (default) multiplied by the current speed in Kmph.</p> Signup and view all the answers

<p>It must consider wind velocity, soil bearing capacity, height of the tower, and a number of other regulatory factors.</p> Signup and view all the answers

<p>The Purchaser railway can choose from lattice type, concrete, monopole type, or other types.</p> Signup and view all the answers

<p>The typical height recommended is 40 meters above ground level.</p> Signup and view all the answers

<p>It consists of a vital computer, two RFID readers, a radio unit with two modems, and driver machine interfaces.</p> Signup and view all the answers

<p>They must obtain acceptance of the tower and foundation design and clearances from required regulatory authorities.</p> Signup and view all the answers

<p>The system can be interfaced with LTE and BTM readers.</p> Signup and view all the answers

<p>Factors include the approaching signal distance, signal identity, and train length information.</p> Signup and view all the answers

<p>The direction is determined through RFID tag data reported by the same RFID readers.</p> Signup and view all the answers

<p>The onboard KAVACH will transition to System Failure Mode, and the incident will be logged.</p> Signup and view all the answers

<p>It enhances the reliability of speed sensing, allowing for comparisons to detect malfunctions.</p> Signup and view all the answers

<p>It indicates that the KAVACH unit needs to derive movement direction after passing two different RFID tags.</p> Signup and view all the answers

<p>It defines the next signal aspect, particularly if the signal on approach is OFF.</p> Signup and view all the answers

<p>They provide high reliability essential for accurate speed determination.</p> Signup and view all the answers

<p>If the absolute location value is incrementing, it's nominal direction; if decrementing, it's reverse direction.</p> Signup and view all the answers

<p>To detect whether a new set of Authentication keys has been generated at the KMS.</p> Signup and view all the answers

<p>Every 6 hours.</p> Signup and view all the answers

<p>A request is sent every 5 minutes until a response is received from the KMS.</p> Signup and view all the answers

<p>The KMS uses a One Time Password (OTP) sent via SMS to the registered mobile number.</p> Signup and view all the answers

<p>The authenticity of the request is verified.</p> Signup and view all the answers

<p>They are used to verify the authenticity of requests for Authentication Keys.</p> Signup and view all the answers

<p>GPRS or commercial LTE.</p> Signup and view all the answers

<p>It should be installed and stored in non-volatile memory.</p> Signup and view all the answers

<p>The maximum duration is typically more than 3 minutes, with programmable options from 0 to 10 minutes in steps of 30 seconds.</p> Signup and view all the answers

<p>The Stationary KAVACH must handle train length assignment for a minimum of 6 directions.</p> Signup and view all the answers

<p>The onboard KAVACH unit transmits its location every 2 seconds.</p> Signup and view all the answers

<p>The onboard KAVACH logs its location with a resolution of better than 200 ms for the last 20 seconds.</p> Signup and view all the answers

<p>The Stationary KAVACH communicates the time offset from the AT/BT boundary and the corrected time offset from the cleared over.</p> Signup and view all the answers

<p>The Track Condition function must inform the loco pilot about special conditions in front of the train.</p> Signup and view all the answers

<p>The two types of track condition profiles are profile type and location type.</p> Signup and view all the answers

<p>The onboard KAVACH unit transmits the position, speed, and length of the train every 2 seconds to its CTC.</p> Signup and view all the answers