#1
4th August 2014, 08:13 AM
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Last year question papers of Railway Recruitment Board of Junior Signal Engineer
Will you please share with me the last year question papers of Railway Recruitment Board of Junior Signal Engineer?
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#2
4th August 2014, 11:57 AM
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Re: Last year question papers of Railway Recruitment Board of Junior Signal Engineer
As you want to get the last year question papers of Railway Recruitment Board of Junior Signal Engineer so here it is for you: Some content of the file has been given here: Q1: With the help of a sketch, define station limits for “B” class stations equipped with Two Aspect signalling on single line and double line sections. Q2: What are the classifications of stations in Indian Railways? Q3: What do you mean by “Read Back Technique” in Railway signalling? Please cite few examples of this technique being used in your Railway. Q4: What is the difference between “A” Marker and “A” Board in Railway signalling? Q6: What do you mean by the “S” Marker and where it is being used in Railway signalling? Q5: What is the normal aspect of a signal in Automatic signalling territory? Q6: What do you mean by Slip siding and Catch siding? Write down cases when Slip siding and Catch siding are required to be provided in the Railway system. Q7: In Indian Railways, what are the systems of train working adopted? Please also mention the name of the most widely used system on Indian Railways. Q8: Please prepare the locking table for Lever numbers 1, 3, 4, 6 & 7 of the following diagram: - Q9: What are the essential requirements of the Absolute Block System? Q10: What are the standards of interlocking prescribed in Railway Signalling? Q11: What are the different classes of LC gates? Please explain. Q12: What do you mean by the term “Route Holding” in Railway signalling? Please explain the various means to achieve the same. Q13: What do you mean by “Loose” and “Tight” locking in Railway signalling? Please explain with examples. Q14: What do you mean by Ballast Resistance? What are the minimum permissible values for the ballast resistance in the station yard and in the Block section? 2 Q15: What do you mean by the staggering of adjacent track circuit rail polarities and why is this required? Q16: List the names of various types of traction bonds used in RE area using DC track circuits. Q17: Write down the adjustment of DC track circuit for failsafe and reliable working. Q18: What do you mean by Fouling Protection of Track? Please explain. Q19: What is Dead Section in track circuit area and how can it be eliminated? Q20: What do you mean by cut section track circuit and/or fed over track circuits? Q21: Can an AFTC be used in a track section with steel sleepers? Why? Q22: What do you mean by “End Fed” and “Centre Fed” types of AFTCs along-with corresponding maximum permissible lengths of track circuits? Q23: What are the various types of Bonds being used in AFTCs? Q24: Please list the names of the constituent parts of a Electrical Lever Lock and its functioning. Q25:: What do you mean by Indication Locking and Track Locking and on which levers these are being used? Q26: Explain the working of Snubbing Circuit in Point machine operation using 3-wire control. Q27: What is the concept of Cross protection in signalling circuits? Please explain. Q28: Explain the working of 4-wire point detection circuit using circuit diagram. Q29: What do you mean by super imposed detection of points? As per the latest directives of Railway Board, is it suggested to use this arrangement? Q30: Write down the general features of IRS Rotary Type point machines with 143 mm stroke. Q31: Explain the working of Point operation circuit using Siemens Point Contactor unit in an electromechanical installation. Q32: What do you mean by RHS and LHS turnouts? Can we use the same type of Point machine (IRS Rotary type) for both the turnouts? Please explain. Q33: Compare different types of conventional signal lamps. Q34:: What are the different types of ECRs being used with conventional signal lamps? Q35: What are Triple Pole lamps? Describe their merits over Double pole lamps. Q36: What do you mean by H-Type, I-Type and L-Type signal transformers along-with their uses? 3 Q37: What is Aspect Control and Aspect Control circuits? Draw an aspect control circuit for an inner distant signal in Double Distant signalling territory. Q38: What is cascading of signal aspects? Explain with suitable circuit diagram. Q39: What do you mean by Red Lamp Protection? Expalin with suitable diagrams. Q40: What do you mean by Cutting in Arrangement in signalling circuits and reason for its use? Q41: What do you mean by “Direct Feeding”, “Local Feeding” and “Remote Feeding” of signals? Explain. Q42: Describe the advantages of LED signal Lamps over conventional signal lamps. Q43: What are the various PVC signal cables used in Railway signalling in SECR? Are they screened one or not? Q44: What do you mean by cable meggering? Please explain. Q45: What is Electric Signal Reverser? List different types of Electric Signal Reversers being used over Indian Railways. Q46: What do you mean by EKT? Describe the working of EKT. Q47: What do you mean by TS, TSS, FP, SP & SSP? Please explain. Q48: What are the effects of RE in signalling? Q49: List the names of various types of Block Instruments being used in stations on Single/Double line and RE/Non-RE area. What special feature is incorporated in the block instruments meant for use in RE area? Q50: What do you mean by maximum length of parallelism in Railway Signalling over RE area? Explain. Q51: Why the repeater relays of track Relays are made Slow To Pick-up and with what time delay and why? Explain. Q52: What are the reasons behind using various traction bonds in Track Circuits over RE area? Q53: What arrangements/changes are required to be carried out in the DC track circuits being used in RE area w.r.t. Non-RE area? Q54: What are the effects of RE in signalling circuits and how are they minimised? Q55: List the various types of Route indicators used in Railway Signalling and which type is being commonly used in Indian Railways? Q56: What are the items which are being used to increase the length of a DC track circuit in RE area? What are the maximum permissible length of track circuits in Single and Double line section on RE area? Q57: What are the maximum permissible distances for direct feeding of signals on Single and Double line section in RE area? Q58: What are the various means of suppressing the value of induced voltages at the source of 25 kV traction? Explain. Q59: Draw a sketch showing the arrangement of power supply, neutral section feeding post, sectioning & sub sectioning posts. Q60: Draw and explain the State Transition diagram for the working of Axle Counter. Q61: What are the different constituent parts of an axle counter? Q62: What is Trolley Suppression Track circuit? Why is it necessary in Axle counter? Q63: What are approach locking, back locking and dead approach locking in electrical signalling? Explain with suitable examples using sketches. Q64: What do you mean by Sectional route release in electrical signalling? Explain with suitable example using sketches. Q65: What is Crank Handle Interlocking in Railway signalling? Explain with suitable example using sketch. Q66: What is LC Gate Interlocking in Railway signalling? Explain with suitable examples using sketches. Q67: What is the working principle of 24V battery charger used in Railway signalling? Explain with sketch. Q68: What do you mean by Filters in electrical rectifier circuits? What is the difference between the chargers being used in signalling and telecommunication applications? Q69: What is IPS? Describe in detail. How many battery banks are used in IPS in Railway signalling? Q70: What is electrical transformer? Explain its working in detail. Q71: Mention the major advantages of the SMPS over Thyristor controlled Power supplies. Q72: What is an Inverter and where is this being used in Railway Signalling? Q73: Calculate the total load in a typical 4 line way side station with one siding line and a common loop in a Double line section. Draw necessary sketches. Q74: In a PI installation, which circuit ensures the “One Signal-One Train” feature? Please mentioned the name of this circuit and explain with suitable example. Q75: Explain the signal control circuit for a home signal with one route with suitable sketch and circuits. Q76: List the name of activities pertaining to signal department which require prior sanction of CRS for their execution in the yards. Q77: What is the validity period of CRS sanction? Explain the process for obtaining CRS’s sanction. Q78: What do you mean by ground connections? Q79: What is the role of Drawing Office in S&T department? Q80 What are the equipments to be provided with a Trolley/Lorry/Motor Trolley? Q81 What is IB signal? Why this signal is provided? Is it being provided on single line section? Explain the working of an IB signal. Q82 What is the procedure to pass an IBS signal at its ON aspect by the driver of any train? Q83: What is half notch? Why is this provided and in which equipment/instrument? Q84 Draw the Block Clearance circuit for SGE Double line instrument using appropriate circuits. Q85 What are the principles of Lock and Block working? How these are achieved in SGE Double Line Block Instrument? Q86 In Siemens signal group relays, the GLSR relay is made slow to release. Why? Please explain. Q87 What are the items to be checked during scrutiny of Engineering Scale Plan? Q88 What items will you check during inspection of a motor operated point? Q89 What items will you check during inspection of SSDAC? Q90 What item are being noted during day/night footplate? Q91 What items are being noted during joint point and crossing inspection with SE/SSE (P-Way)? Q92 Draw the ALSR CKT for signal number S- ? Q93 How will you councell your staff to prevent short cut method? Q94 Why Disconnection Memo should be issued before attending to maintenance of certain signal gears & for which activities/works, it should it be issued? Q95 (a) What is the propose of using the choke in single rail DC track circuits in RE area? Q95 (b) What is half notch? Why is this provided and in which equipment/instrument? Q96 Draw the complete diagram of Single Rail DC track circuit in RE area including value of cack component? Q97 What parameters are being checked during inspection of Analog Axle Counter and what are their standard values? Q98 (a) What are the conditions for granting line clear in double line B class station on MACLS territory? Q98 (b) What are the conditions for granting line clear in single line B class station on Two Aspect CLS territory? 99. Draw the dog chart of following: - 2 X 3 W 5 R 100. For the given yard draw the RCC for the following signals: - – Down Home Signal (S-1), Shunt Signal (Sh- 26), Starter Signal (S-4) and Calling On signal (Co-2). For more detailed information I am uploading a PDF file which is free to download: |
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