The correct answer is A. 3.
A caution order is a document that is issued by the railway authorities to instruct the train crew on the safe operation of a train. It includes information such as the route of the train, the speed restrictions, and the location of any hazards.
For a train provided with banking engine, three copies of caution order shall be prepared. The first copy is for the train driver, the second copy is for the guard, and the third copy is for the station master.
The train driver is responsible for ensuring that the train is operated in accordance with the caution order. The guard is responsible for ensuring that the train is properly secured and that the passengers are aware of the caution order. The station master is responsible for ensuring that the train is properly received at the station.
The caution order is a vital document that helps to ensure the safe operation of trains. It is important that all train crew members are familiar with the contents of the caution order and that they follow its instructions carefully.
Here is a brief explanation of each option:
- Option A: 3. This is the correct answer. Three copies of caution order shall be prepared for a train provided with banking engine.
- Option B: 4. This is incorrect. Four copies of caution order are not required for a train provided with banking engine.
- Option C: 5. This is incorrect. Five copies of caution order are not required for a train provided with banking engine.
- Option D: None of these. This is incorrect. One of the options is the correct answer.