Chapter VI: Electrical Speaking Instruments

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Questions and Answers

What must occur before a Conditional Line Clear Ticket is signed by the Station Master?

The train must have a valid ticket.

The train must arrive complete. (correct)

The ticket must be in the correct form.

The station must be authorized for Conditional Line Clear Working.

Which message forms are used for recording inquiries between stations regarding Line Clear?

Emergency Communication Forms.

Train Schedule Notification Forms.

Conditional Line Clear Request Forms.

Up and Down Line Clear Inquiry Message Forms. (correct)

What must be done when a Line Clear is cancelled?

All entries must be remarked 'Cancelled' and preserved. (correct)

The message must be completely destroyed.

Notification must be sent to all train crews.

A new Line Clear inquiry must be sent immediately.

Who is authorized to ask for or give a Line Clear?

The Station Master on duty. Signup and view all the answers

How should trains be distinctly described in inquiries for Line Clear?

Using their train type and number. Signup and view all the answers

What is the requirement for numbering messages dispatched from a station?

Messages should begin numbering again each day from No. 1. Signup and view all the answers

What could potentially happen if a Line Clear message received for one train is used for another train?

It may lead to a derailment due to confusion. Signup and view all the answers

What should happen to a Paper Line Clear Ticket that needs to be cancelled to prioritize another train?

It should be surrendered to the Station Master on request. Signup and view all the answers

How should a Private Number be communicated when given by telephone to prevent confusion or mistakes?

The number should be provided in three distinct ways. Signup and view all the answers

What happens to a Private Number that has been cancelled?

A new Private Number must be assigned for each Line Clear. Signup and view all the answers

What is the correct way to record the allotted Private Numbers according to the procedure?

List them in figures and words, then score them out once used. Signup and view all the answers

How many sheets of Private Numbers can be used at the same time for Line Clear messaging?

Only one sheet is in use at a time for all trains. Signup and view all the answers

What must be quoted at the beginning of a message that is a reply to another?

The consecutive number of each station Signup and view all the answers

When should a Line Clear Inquiry Message be dispatched according to the rules?

When a train is approaching the station Signup and view all the answers

What should be recorded in the Line Clear Inquiry Message Book under space 'C'?

The Train Entering Section message Signup and view all the answers

What condition must be adhered to when sending an inquiry message at terminal stations?

The message should not be sent more than 15 minutes before the scheduled departure Signup and view all the answers

What is the main purpose of a Line Clear Inquiry Message?

To inquire if the line is clear for an arriving train Signup and view all the answers

What must the Station Master do after receiving a Line Clear Inquiry?

Respond according to current conditions and rules Signup and view all the answers

What should be included in the Line Clear Inquiry Message aside from the message content?

Time of dispatch and last train details Signup and view all the answers

Which scenario requires immediate dispatch of a Line Clear Inquiry Message?

When Line Clear is given to the station in the rear Signup and view all the answers

What format should the date be written in on the Paper Line Clear Ticket?

9.2.79 Signup and view all the answers

What is the prescribed procedure for writing a Line Clear Inquiry Message?

Written in the Line Clear Inquiry Message Book in a designated space Signup and view all the answers

Who is responsible for the accuracy of the Paper Line Clear Ticket?

Station Master Signup and view all the answers

What must be done before the Station Master signs the Paper Line Clear Ticket?

Enter the date and time of receipt Signup and view all the answers

What should a Loco Pilot check for in a Paper Line Clear Ticket?

That it is complete in every detail Signup and view all the answers

What action should a Loco Pilot take if any details on the Ticket are incorrect?

Request a correct Line Clear Ticket from the Station Master Signup and view all the answers

What should be done with incorrect Paper Line Clear Tickets?

Retain them and report to the Running Shed Foreman Signup and view all the answers

Which of the following details is NOT required on the Paper Line Clear Ticket?

Time of arrival at the station Signup and view all the answers

What is prohibited regarding alterations on a Paper Line Clear Ticket?

Initialing corrections Signup and view all the answers

In what format should the code initials of the issuing and destination stations be written?

In block letters Signup and view all the answers

What should be included both in figures and words on the Paper Line Clear Ticket?

The Private Numbers Signup and view all the answers

What must the Station Master do upon receiving a 'Train Entering Section' message?

Enter it in space 'C' of the Line Clear Inquiry Message Book Signup and view all the answers

What conditions must be met before dispatching the 'Train Out of Section' message?

The complete arrival of the train and compliance with line safety Signup and view all the answers

How should messages related to trains be written and signed?

In black ink or dot pen, signed in full by the Station Master Signup and view all the answers

When blocking back for shunting purposes, how should the Station Master communicate the action?

Via electrical speaking instruments, specifying the action Signup and view all the answers

What should the Station Master do once the block section is cleared after shunting?

Acknowledge receipt of completed shunting verbally Signup and view all the answers

What is the purpose of a 'Train Out of Section' message?

To inform that a train has fully arrived and conditions are met for the next train Signup and view all the answers

Which space should the 'Train Out of Section' message be recorded in by the Station Master?

Space 'D' of T/B-1425 form Signup and view all the answers

What should occur if a train has not been given 'Line Clear' and blocking back is necessary?

A notification of blocking should be sent immediately Signup and view all the answers

What role does the acknowledgment play in the process of blocking back?

It serves as a confirmation of safety Signup and view all the answers

Which of the following statements about the Line Clear Inquiry Message Book is true?

Messages must be recorded immediately before communication Signup and view all the answers

What is the main function of the Conditional Line Clear Ticket?

To inform about the last train's departure and upcoming trains Signup and view all the answers

In which situation is a Paper Line Clear Ticket not required for a Loco Pilot?

When the station has experienced a communication breakdown Signup and view all the answers

What does the 'Caution Order' supplementing the Paper Line Clear Ticket indicate?

There are special instructions for cautious driving Signup and view all the answers

What is the significance of the water arrow mark on a Conditional Line Clear Ticket?

It signifies that the ticket is subject to limitations Signup and view all the answers

How many pages does the Line Clear Inquiry Message Book contain?

50 pages Signup and view all the answers

Which form is required for obtaining line clear from other stations?

Line Clear Enquiry Message Form T/A 1425 or T/B 1425 Signup and view all the answers

What maximum speed must a Loco Pilot observe when following a train with an impaired view?

10 KMPH Signup and view all the answers

What instruction is given regarding the cancellation of a Private Number allotted to a Line Clear?

It must not be re-allotted, requiring a fresh number. Signup and view all the answers

How should the Private Numbers be physically documented once they are allotted?

They should be scored out with a diagonal line and noted for usage. Signup and view all the answers

Which statement accurately reflects the procedure regarding Line Clear messages and their Private Numbers?

Private Numbers should be communicated in multiple formats to confirm understanding. Signup and view all the answers

What is the significance of a Paper Line Clear Ticket that needs to be canceled to accommodate another train?

It must be voluntarily surrendered by the Loco Pilot. Signup and view all the answers

What is indicated by the Private Numbers allotted by the Station Master?

They are unique identifiers that help track communication related to Line Clear messages. Signup and view all the answers

What is the primary requirement for a Conditional Line Clear Ticket to be signed and renewed?

The train must arrive before the ticket signing. Signup and view all the answers

Which should NOT be recorded incorrectly when dispatching messages between stations?

The sequence of message dispatch. Signup and view all the answers

In what way should trains be distinctly described in inquiries?

By stating both train type and direction clearly. Signup and view all the answers

When 'Line Clear' is cancelled, what must be done with all related entries?

They should be marked as ‘Canceled’ and preserved. Signup and view all the answers

Who has the exclusive authority to request or grant a 'Line Clear'?

The Station Master on duty only. Signup and view all the answers

Which detail is NOT a component of the Line Clear Inquiry Message Forms?

Authorization code from the Station Master. Signup and view all the answers

What is the correct practice regarding the use of a Line Clear message for multiple trains?

A separate Line Clear message must be sent for each train. Signup and view all the answers

What should occur if there is a need to cancel a Private Number according to procedures?

The cancellation must be documented as cancelled. Signup and view all the answers

What numbering system should be followed when dispatching messages from a station?

Messages should be numbered consecutively from midnight to midnight. Signup and view all the answers

What must be clearly written on the Paper Line Clear Ticket to ensure its validity?

The date in numerals and the Station Master signature Signup and view all the answers

Which detail is required on the Paper Line Clear Ticket that must be checked by the Loco Pilot?

Private Numbers entered both in figures and words Signup and view all the answers

What should happen if the Paper Line Clear Ticket is found to be incorrect by the Loco Pilot?

The ticket must be retained and reported to the Running Shed Foreman Signup and view all the answers

What happens if the date and time of receipt are not noted on the Paper Line Clear Ticket?

The ticket is treated as incomplete Signup and view all the answers

How must the Station Master ensure the accuracy of the Paper Line Clear Ticket?

By carefully checking details before signing Signup and view all the answers

What format should the code initials of the issuing and destination stations be written in?

Block letters Signup and view all the answers

Which specific detail must be checked to confirm the Paper Line Clear Ticket applies to the right train?

Train number Signup and view all the answers

What must the Loco Pilot do after identifying an incorrect detail on the Paper Line Clear Ticket?

Inform the Station Master about the specifics of the error Signup and view all the answers

What must the Station Master do if a Paper Line Clear Ticket is incomplete?

Issue a new complete ticket Signup and view all the answers

What must be recorded in space 'D' of T/A 1425 after a train has arrived complete?

Train Out of Section message Signup and view all the answers

Which statement describes the proper method for blocking back?

Communicate the blocking action and receive acknowledgment. Signup and view all the answers

What color ink must all Inquiry and Line Clear messages be written in?

Black ink Signup and view all the answers

What should the Station Master do immediately before communicating a train message?

Record the message in the appropriate book. Signup and view all the answers

What should occur prior to a message being deemed valid when blocking back?

Ensure Line Clear has not been given for a train. Signup and view all the answers

When should the acknowledgment of a blocking back message be sent?

Immediately after sending the blocking message. Signup and view all the answers

What information must be included in a 'Train Entering Section' message?

Private numbers for the communication. Signup and view all the answers

Which document must the Station Master record the acknowledgment of the block section being cleared?

T/B -1425 form Signup and view all the answers

What must be done with messages after they are written in the Line Clear Inquiry Message Book?

They must be communicated word for word. Signup and view all the answers

What action must be taken when the line outside the outer signal is obstructed?

Ensure that the line has been blocked back first. Signup and view all the answers

Study Notes

Chapter VI: Single Line Working by Electrical Speaking Instruments

Rules apply at stations using electrical speaking instruments, or where electric block instruments fail.
Authority to proceed: A "Line Clear Ticket" is required for any engine/train entering a block section.
Exception: This rule doesn't apply when assisting disabled trains or during total communication interruption.
Supplementing Line Clear Tickets: Caution orders (Form T/409) may be used to provide additional instructions regarding road conditions or cautious driving.

Line Clear Enquiry Message Books

Used for recording line clear inquiries.
Consist of progressively numbered pages (50 pages).

Line Clear Enquiry Messages (Outward/Inward)

Standard form T/A 1425 or T/B 1425 used for obtaining line clear status.

Conditional Line Clear Ticket

Red form with upward-pointing arrow on a watermarked form (T/G 602).
Issued by Station Masters after noting the last train's departure time and details of the next 3 trains.
Includes instructions to drivers to maintain speeds of 25 KMPH or below, or 10 KMPH or below in reduced visibility.

Inquiry Message Forms

Used for recording between-station communication relating to line clear status.
Include categories: line clear enquiry, reply to enquiry, out report dispatched, and received report.

Messages Not to be recorded incorrectly

Ensure message entries are accurate and follow the proper sequence.

Cancelling Line Clear Messages

Cancelled inquiries or responses marked "cancelled" and the information stored.

Describing Trains in Messages

Train descriptions must be detailed: e.g., "No. 1 Up Mail" or "No 101 Up Goods".
Each train requires a separate inquiry/reply message.

Persons Authorized for Line Clear

Only Station Masters are authorized to grant or request line clear.

Numbering of Messages

Consecutive numbering starts with 1.
Each station uses unique numbering consecutive daily.
If replying to a prior message, include the prior message's number (e.g., "Your No... and My No...")

Inquiry for "Line Clear"/Line Clear Inquiry Message

Used to inquire about line clarity for an approaching or waiting train.
Sent in advance to the next station.

Procedure in sending inquiry Message

The Station Master writes down the inquiry message.
The time of dispatch and the last train details are recorded on the message.

When Line Clear Inquiry Message Should Be Sent

When a train is approaching: next station requested in advance for line clear.
When insufficient time exists between stations: message sent to next station immediately after granting line clear to prior station.
At terminals and trains with long halls: Messages not sent less than 15 minutes before departure time

Replies to Inquiries

Station Master must respond according to current conditions & rules.

Train Entering Section

Recorded in space "C" of the Inquiry Message Book.

Train Out of Section

Recorded in space "D" of the relevant form.

Obstructions outside the Outer signal

The line outside the outer signal shall not be obstructed unless it is blocked back.

Private Numbers

Every line clear message is issued a private number by the station master.
Private numbers are part of inquiry message, including their numerical and written representation (26-twenty-six).
Repeated private numbers are cancelled and reset.
Messages that are subsequently cancelled aren't reused.

Private Numbers Sheet

Provided in groups of five.
Used for Up and Down trains (both main and branch lines) and for all private number uses.
Recorded in order they are made along with the purpose.

Same Private Number Appearing Consecutively

If it occurs (e.g., typing error), the number is cancelled, and a new one is issued.
If message is complete, it is not cancelled.

Delivery of Paper Line Clear Ticket

Ensure correct "Line Clear Ticket" form for train direction is delivered to the loco pilot.
Train staff are trained to understand Up and Down directions.

Disposal of Paper Line Clear Ticket Forms

Tickets are given to the running shed or divisional railway manager for destruction.

Disposal of used Paper Line Clear Ticket Books

Used books kept for six months then disposed of.

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Description

Test your knowledge on the rules and procedures for using electrical speaking instruments in railway operations. This quiz covers topics such as Line Clear Tickets, inquiry message books, and conditional line clear tickets. Ensure you're familiar with the essential guidelines for safe train operations.