Locomotive Operation and Troubleshooting
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Questions and Answers

What should be checked inside all TM inspection covers?

  • Foreign materials only
  • Engine oil consumption
  • Flashing, tracking, or burning marks (correct)
  • Signal defects
  • Who is responsible for filling Part II of the Combined Train Report (CTR) form?

  • The train inspector only
  • The locomotive engineer
  • The driver of the train
  • The guard of the train (correct)
  • What information is NOT included in the Combined Train Report (CTR) form?

  • Duty hours of the crew
  • Train name and number
  • Weather conditions during the trip (correct)
  • Load of the train
  • How many copies of the CTR forms does the guard of the train need to hand over to the driver?

    <p>Three copies</p> Signup and view all the answers

    What is the first step in the procedure for filling up the CTR form?

    <p>Guard collects the forms</p> Signup and view all the answers

    What is the primary purpose of conducting a vacuum creation test on a locomotive?

    <p>To ensure the locomotive is creating vacuum or air pressure as per standard.</p> Signup and view all the answers

    How long should it take to create a vacuum of 53 cm during the vacuum creation test?

    <p>45 seconds</p> Signup and view all the answers

    What indicates an excess leakage during the vacuum leakage test?

    <p>The vacuum drop is more than 18 cm within 3 minutes.</p> Signup and view all the answers

    What is the initial step in performing the air pressure creation/leak test for a WAG5 air brake locomotive?

    <p>Open all angle cocks of feed pipe and brake pipe.</p> Signup and view all the answers

    What is considered a permissible fall in vacuum during the vacuum leakage test?

    <p>Not more than 18 cm in 3 minutes</p> Signup and view all the answers

    When should the vacuum leakage test be conducted on the locomotive?

    <p>Only at the homing shed when preparing the locomotive.</p> Signup and view all the answers

    What action should be taken if vacuum creation is not occurring properly during a test?

    <p>Notify TLC/PCOR for necessary action.</p> Signup and view all the answers

    What pressure should the brake pipe be charged to during the process?

    <p>5 kg/cm2</p> Signup and view all the answers

    How long does the B.P. gauge needle take to stabilize after dropping the pressure?

    <p>30 seconds</p> Signup and view all the answers

    What should be done if a pressure drop is noticed within a minute after the test?

    <p>Identify and attend to the source of leakage</p> Signup and view all the answers

    What is the calculated time loss for a train during acceleration to booked speed after an out-of-course stoppage on the main line?

    <p>2 minutes</p> Signup and view all the answers

    What is the additional time loss per T.P. for 8 to 10 KMPH speed restriction?

    <p>25 seconds</p> Signup and view all the answers

    How long is the time loss for a 30 KMPH speed restriction over one T.P.?

    <p>3 minutes</p> Signup and view all the answers

    In the event of a stop dead and proceed with 8 kmph over one T.P., what is the total time loss?

    <p>6 minutes</p> Signup and view all the answers

    What is the time loss per T.P. for a 50 kmph speed restriction?

    <p>1 minute</p> Signup and view all the answers

    What is the allowed time loss in deacceleration for being out of course on the main line?

    <p>1 minute</p> Signup and view all the answers

    What is the first step to address a DJ not closing after passing the neutral section?

    <p>Check QPDJ setting.</p> Signup and view all the answers

    What is the maximum allowed pressure drop during continuous progression and regression?

    <p>0.5 kg/cm2</p> Signup and view all the answers

    Which component's timing needs to be between 9 to 13 seconds to prevent half notch tripping?

    <p>SMGR</p> Signup and view all the answers

    What should be checked for Q44 and Q118 branches related to tightness?

    <p>Tightness of base connections and protection relays.</p> Signup and view all the answers

    What is an important action to take after checking SMGR pressure reducing valve?

    <p>Run a milli volt drop test.</p> Signup and view all the answers

    What is the purpose of tapping the relay panel gently?

    <p>To check for loose contacts.</p> Signup and view all the answers

    Which check is specifically related to DJ air handling?

    <p>Blow out DJ air pipe and clean DJ NR valve.</p> Signup and view all the answers

    What is the purpose of keeping the train brake handle in the released position when approaching a caution order?

    <p>To ensure smooth passage through the caution order</p> Signup and view all the answers

    What should be done to the DJ air filter?

    <p>Replace it with a ceramic filter.</p> Signup and view all the answers

    What could be a result of taking shunt notches suddenly while negotiating a gradient?

    <p>Wheel slipping and regression of notches</p> Signup and view all the answers

    What operations should be conducted on the SMGR valves?

    <p>Check for proper lifts and leakages.</p> Signup and view all the answers

    Which interlock is essential to check in relation to Q118 branch operations?

    <p>C118 interlock.</p> Signup and view all the answers

    What should be avoided when managing a fully loaded train on a gradient?

    <p>Taking shunt notches abruptly</p> Signup and view all the answers

    What is essential for ensuring the effective use of brake in a train?

    <p>Using the brake handles correctly based on speed</p> Signup and view all the answers

    What does the term 'notches' refer to in the context of traction control?

    <p>Steps of increasing power or current</p> Signup and view all the answers

    Why is it important to maintain appropriate vacuum/air pressure levels when braking?

    <p>To guarantee effective brake release timing</p> Signup and view all the answers

    What common issue might a loco inspector check for when a locomotive is not responding?

    <p>Malfunctioning of the monitoring panel (MP) and electronic control (EEC)</p> Signup and view all the answers

    How can stalling of the train be effectively avoided when dealing with gradients?

    <p>By maintaining a slow and steady increase in current</p> Signup and view all the answers

    What is a recommended practice when passing through a caution order?

    <p>Gradually reducing speed before passing</p> Signup and view all the answers

    What factor is crucial for increasing tractive effort effectively while driving a loaded train?

    <p>Gradual increase of current through taking notches</p> Signup and view all the answers

    What should be verified in the loco log book before energising the locomotive?

    <p>Any defects or special working instructions</p> Signup and view all the answers

    What is the proper procedure after the emergency reservoir pressure builds up to 7 to 8 kg.cm2?

    <p>Open the RAL cock</p> Signup and view all the answers

    What position should the isolating cocks be in before closing DJ?

    <p>Closed in rear cab, open in working cab</p> Signup and view all the answers

    What must be checked if the loco is stabled on the pit before energising?

    <p>The under frame safety fittings</p> Signup and view all the answers

    What action is required after switching the battery 'ON' during the energising process?

    <p>Start the baby compressor (MCPA)</p> Signup and view all the answers

    Which indication confirms that the overhead equipment (OHE) is alive when raising the pantograph?

    <p>A sound 'chu' when pantograph connects</p> Signup and view all the answers

    What is the role of the programme switches located behind cab no. 2?

    <p>They are used for various electrical functions and diagnostics</p> Signup and view all the answers

    What should the position of the MU2B valve be in the trailing loco during a cab change?

    <p>Trail position</p> Signup and view all the answers

    Which brake handles should be in an isolated condition during a cab change in a loco?

    <p>Loco brakes and train brakes of both cabs</p> Signup and view all the answers

    What should be the position of the A9 brake valve cut out cock in the driving cab?

    <p>Open</p> Signup and view all the answers

    Which of the following is NOT a requirement for the cab change procedure in multiple locos?

    <p>Isolate train brakes in both cabs</p> Signup and view all the answers

    In the trailing loco, the A9 brake valve handle should be positioned how?

    <p>In the release position</p> Signup and view all the answers

    What position should the SA9 brake valve cut out cock be in for the driving cab?

    <p>Open</p> Signup and view all the answers

    Which of the following conditions applies to the A9 differential valve cut out cock during a cab change?

    <p>Should be open in both cabs</p> Signup and view all the answers

    How should the position of the HB5 relay cut out cock be set for the trailing loco?

    <p>Open</p> Signup and view all the answers

    When changing the cab in a multiple loco scenario, what must be done to the A9 brake valve handle?

    <p>Keep it in the release position in both cabs</p> Signup and view all the answers

    What is the maximum acceptable fall in vacuum during a vacuum leakage test conducted after creating full vacuum?

    <p>18 cm in 3 minutes</p> Signup and view all the answers

    What initial condition must be met before starting the air pressure creation/leak test for a WAG5 air brake locomotive?

    <p>All angle cocks should be opened</p> Signup and view all the answers

    During the vacuum creation test, what pressure must be achieved within the specified timeframe?

    <p>53 cm in 45 seconds</p> Signup and view all the answers

    What indicates a potential problem if vacuum is not being created properly during a test?

    <p>Low reading on the master gauge</p> Signup and view all the answers

    What is the purpose of using a standard test plate with an 8 mm hole during the vacuum creation test?

    <p>To facilitate vacuum measurement</p> Signup and view all the answers

    What is the position of the distributor valve isolating cock when it is closed?

    <p>9.0’ clock position</p> Signup and view all the answers

    Where is the lead and trail cock located in WAG5 and WAP1 locomotives?

    <p>Cab no. 1 in WAG5 and cab no. 2 in WAP1</p> Signup and view all the answers

    What is the purpose of the auto drain valve isolating cock on MR1 & MR2?

    <p>To prevent moisture accumulation in the system</p> Signup and view all the answers

    What is the requirement for the feed pipe isolating cock when only a single pipe system is functioning?

    <p>Must be closed</p> Signup and view all the answers

    What color is the brake cylinder equalizing pipe angle cut out cock?

    <p>Green</p> Signup and view all the answers

    Which of the following precautions is important during shunting operations?

    <p>Safety signals should not be ignored</p> Signup and view all the answers

    What should be the initial action before performing a shunting operation?

    <p>Prepare the shunting signals and warnings</p> Signup and view all the answers

    Which of the following valves should be open in both leading and trailing locomotives?

    <p>Brake pipe angle cut out cock</p> Signup and view all the answers

    What action is performed with the main train pipe cut out cock during normal operating procedures?

    <p>It is kept open near the PVI</p> Signup and view all the answers

    What color signifies the MR equalizing pipe angle cut out cock?

    <p>White</p> Signup and view all the answers

    What should be checked first before closing the DJ after the LSDJ bulb indication?

    <p>The relay board for any dropped targets</p> Signup and view all the answers

    In case the MU loco is working with a light load, which action can be taken regarding the trailing loco's pantograph?

    <p>It can be lowered while the leading loco operates</p> Signup and view all the answers

    What condition must exist when hauling a load with a single loco is not possible?

    <p>Train should be immediately stopped after DJ tripping</p> Signup and view all the answers

    What should be done if either of the locomotives is found defective after examination?

    <p>An assisting engine should be demanded</p> Signup and view all the answers

    What is essential to check in relation to relay targets when preparing to close the DJ?

    <p>Whether the target of QLM relay has dropped</p> Signup and view all the answers

    What visual checks are necessary in the HT compartment before closing the DJ?

    <p>Look for any signs of overheating or smoke</p> Signup and view all the answers

    What should the action be if no abnormalities are found during checks on the trailing loco?

    <p>The DJ for the trailing loco can be closed</p> Signup and view all the answers

    Which consequence has resulted from previous failures to follow DJ closing precautions?

    <p>Instances of fire in locomotives</p> Signup and view all the answers

    What should be done if abnormalities are detected in the relay board during checks?

    <p>Immediately contact the control center for advice</p> Signup and view all the answers

    What is a crucial step regarding the DJ when conducting checks after DJ tripping?

    <p>Examine both leading and trailing locomotives thoroughly</p> Signup and view all the answers

    Study Notes

    Locomotive Operation and Trouble Shooting

    • Preamble: When a locomotive is not needed, it's switched off and stabled. Precautions are followed when energizing a locomotive.

    Before Energizing the Locomotive

    • Loco Log Book Inspection: Inspect the log book for defects or special instructions. Do not energize if there are defects to be addressed.

    • Checking Safety Fittings: Check all safety fittings, paying special attention to those under the frame if the locomotive is stabled there. All fittings should be intact.

    Energizing Procedures

    • Building up Emergency Reservoir Pressure and Raising the Pantograph: Switch on the battery and start the compressor. Build up reservoir pressure (7-8 kg/cm²). Ensure the locomotive is under the overhead equipment (OHE) and raise the pantograph using the appropriate key. Check for the "chu" sound to confirm OHE contact.

    • Setting Brake Cocks: Put loco and train brake cocks in the correct position (open or closed) in the appropriate cabs.

    • Switchboard/Relay Boards Inspection: Check all program switches are in position 1.

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    Description

    Test your knowledge on locomotive operation and the vital procedures for energizing and troubleshooting. This quiz covers essential steps such as inspection of log books, checking safety fittings, and energizing procedures including raising the pantograph. Perfect for railway operation enthusiasts and professionals alike.

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