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MTA TOWER OPERATOR Study Guide 2
Questions With 100% Correct Answers
Latest Versions 2025 Graded A+
GRADE TIME SIGNALS - correct answer - Lunar White Illuminated "S" Illuminated "D" INTERLOCKING MACHINES - correct answer - Group of manually operated levers for the control of switches MANIPULATION CHART - correct answer - Interlocking machines have an original written document explaining the various manipulations to be used US & S (union switch and signal) - correct answer - Conventional machine originally placed into service inn the IND division which is electric-pneumatic MODEL BOARD AIR GUAGE INTERLOCKING MACHINE OPERATING UNIT MODEL BOARD - correct answer - Track circuit indication lights tower machine/operator location
directional display locations the the corresponding lever number for track switches and controllable signals ELECTRICAL FAILURE TYPES - correct answer - AC power failure DC power failure GRD Failure NON OCCUPIED TRACK CIRCUIT - correct answer - (non lit) indication light OCCUPIED TRACK CIRCUIT - correct answer - Indication light that is illuminated GHOST CIRCUIT - correct answer - illuminated light with clear signals RED - correct answer - Signal Lever BLUE - correct answer - Traffic lever
GAP STATIONS - correct answer - Key locations between the terminals of a line where trains are recorded as they pas by, can be properly spaced and can be held for connections RELAY TRACK - correct answer - A track outside the station limits on which a train is placed when being relayed or "swung" from one station to another station SIGNAL YELLOW OVER GREEN - correct answer - Proceed on the main route, be prepared to stop at the next signal SUBDIVISION "A" SIGNAL DISPLAYING YELLOW OVER RED WITH AN ILLUMINATED "S" - correct answer - Approach at allowable speed, then continue on the main route DWARF SIGNAL - correct answer - A signal with a fixed STOP indication displaying red over red AUTOMATIC SIGNAL - correct answer - A signal that is controlled by the movement of trains
INTERLOCKING SIGNAL - correct answer - A signal at a fixed location indicating a condition controlling the movement of trains TOWER OPERATORS - correct answer - (a) Required to familiarize themselves with the rules and regulations (b) train schedules (c) maintain records of all train movements OBSTRUCTION ON TRACK, A TOWER OPERATOR WILL - correct answer - Notify RCC and display a red signal WITHOUT PROPER AUTHORITY, A TOWER OPERATOR MUST NOT - correct answer - Remove authorized appliances from machines TOWER OPERATORS MUST NOTIFY RCC WHEN - correct answer - (a) unusual conditions (b) unusual intervals bet trains (c) operating part time tower
TYPE VIII track - correct answer - Concrete and rubber padding TYPE III track - correct answer - Used for elevated structures RELAY - correct answer - to move one or more cars from a particular track onto a relay or main line track and return the car(s) to an adjacent track LIGHT TRAIN - correct answer - Train consisting of revenue cars operating on the mainline track without any passengers TRANSFERRING CONTROL FROM A LOCAL TOWER TO A MAIN TOWER - correct answer - (a) must notify the main tower (b) all signal and switch towers must correspond with main tower (c) Tower Operator must turn transfer key from auxiliary panel CROSSOVER - correct answer - An arrangement of tow switches used to move a train from one track to another (lcl/exp) and (exp/lcl)
SWITCH TRANSIT LIGHT - correct answer - a feature US & S machine that is NOT part of the GRS machine is BLACK - correct answer - Lever type machine SLOTTING MACHINE - correct answer - Signal lever which controls a signal at an adjacent interlocking BLACK, WHITE, YELLOW, RED - correct answer - switch master lever spare signal REVERSE - correct answer - Switch lever on a GRS machine, all the way out from the machine
Pacific - correct answer - What station does the GAP sheet represent? 86th/AST - correct answer - The 858N leaves which terminal and goes to which terminal? 0826 - correct answer - If the 0753 W leaves STL on time, what is the scheduled time due at Pacific 86th? 10 minutes - correct answer - What is the headway beginning with the 0838N and the 0908N? 7 - correct answer - How many "W"s run in an hour between 0806 hrs and 0854 hrs? In a cluster above or below thee track diagram - correct answer - On a push button machine, call on buttons are located?
Push the signal button associated with the entrance and exit of the desired route - correct answer - To establish a route on a push button machine, the Tower Operator should? Pull the entrance button associated with the route - correct answer - When cancelling a route on a push button machine, the Tower Operator should? Road car inspector needed - correct answer - Three short horn signals indicates? Police assistance needed - correct answer - One long, one short, one long one short indicates? Signal, switch, signal - correct answer - What is the combination for moving a switch? 0630 hrs. and 2245 hrs. - correct answer - If you woke up at half past six in the morning and went to bed at a quarter to eleven at night, how would you write those times in military times?
12 - 4 - correct answer - Radio code meaning flood or serious water condition? 12 - 10 - correct answer - Unauthorized person on track? 7 ays - correct answer - how many days do you have to report an address change or telephone number to thee authorities? RCI needed (road car inspector) - correct answer - Three sort horn signals, this would be? Police assistance needed - correct answer - One long, one short, one long, one short indicates? More than 5 minutes - correct answer - How many minutes does a train have to be upon arrival at a terminal before the lateness is counted for statistical purposes?
Bulletin 67-13 Tower Operation BIE in an interlocking area - correct answer - (a) Ascertain the exact location of thee train and inform RCC (b) be aware that the model board may not display the correct location of the train under certain signal malfunctions (c) contact the preceding tower to hold back on train service (d) must not make any moves within the interlocking without RCC'S permission Emergency, Clear the Air - correct answer - 12 - 1 Fire or Smoke Condition - correct answer - 12 - 2 Flood or serious water conditioln - correct answer - 12 - 3 Stalled Train - correct answer - 12 - 5 Derailment - correct answer - 12 - 6
Bulletin 55 - 17 Application of Appropriate Lever Blocking Devices - correct answer - LBD must be applied when Signal Maintainers are working on a switch and must not be removed until confirmation of completion of work is received Lever Blocking Devices must be placed as instructed by RCC and may ot be moved unless instructed by RCC Bulletin 61 - 17 Station Public Address Announcements - correct answer - At location were D.A are not available Tower Operators and Train Dispatchers are responsible for making train service delay announcements. No outdoor messages between 2100 and 0600 unless there is a disruption is service. No outdoor announcements In Brighton Beach ( B Div) Q & B lines unless there is an emergency or disruption in service. Bulletin 67 - 17 Holding Lights - Commission Hrs - correct answer - Trains must be held if they are running ahead of schedule. " " to cover gaps in service. " " if the track ahead is blocked
Holding lights should not be displayed for any other reason during Commission hours. Commission Hours - correct answer - Morning : 0600 - 0900 Evening 1600 - 1900 Bulletin 67-17 Holding Lights non commission hours - correct answer - Same as Commission Hrs: Holding lights must be displayed for connections btw trains. Trains may not be delayed for more than 1 min. for headways up to 10 min. Or on 2 minute for headways longer than 10 min ( this includes the dwell time during the connections) Bulletin 142-17 No Adjustments for intervals routed from exp to lcl. - correct answer - Express service changed to lcl track will not have additional running time added to the scheduled arrival time regardless of if local stops are made. Types of Tower Machines - correct answer - GRS - General Railway System (Pistol Grip)
Operate the switch lever back and forth, too much or not enough - correct answer - Tower Operator moves a Switch Leer on a "GRS" Interlocking Machine, to the Indicating position, but the Indication will not come in and the Ammeter reading continues to rise. The first acgtion he/she should take is to? Reverse Indicating position - correct answer - When the Switch Lever on a "GRS" Machine is completely pulled out, it is in the? Switch is moving - correct answer - On a "US" & "S" Machine, an illuminated Switch Transit light, indicates? Switch is in transit - correct answer - A Flashing Red light in the Switch portion of thee track layout of thee control panel indicates? Route has been set up - correct answer - An illuminated line of the white lights on the track layout of the control panel Push the Entrance and Exit buttons for the route desired - correct answer - To establish a route, the Tower Operator should?
The switch is electrically locked and cannot be removed - correct answer - A Flashing White light in the Switch segment o the Push Button Control Panel indicates? Without setting up a route - correct answer - On a Push=button Control Panel, an Auxiliary Switc operating key is used to move an lock a switch, when? Signal in the Route will go to Danger and remain at Danger after train passes it - correct answer - On a route that is NOT fleeted each? Route Light - correct answer - A miniature lever field control panel DOES NOT have? Track is unoccupied - correct answer - A Tower Operator operating an Interlocking Machine equipped with a Traffic Control feature associated with a particular track can NORMALLY change the direction of traffic ONLY when the?
