Question

What is the purpose of the train operator's whistle signal?

1) To call a car inspector
2) To alert passengers
3) To indicate a departure
4) To signal an emergency

Answer 1

The train operator's whistle is primarily used to ensure safety by signaling departures, alerting passengers and workers, and warning of the train's approach, especially at crossings.

Step-by-step explanation:

The primary purpose of a train operator's whistle signal is to ensure safety by providing audible warnings in various situations. Depending on the pattern of the whistle's sound, it can serve different functions such as:

• Alerting passengers to the imminent departure of a train.
• Signaling to car inspectors or maintenance crews that there is a need for attention or action.
• Indicating a departure from a station to inform passengers and station staff.
• Providing a warning of the train's approach at crossings or to workers on the tracks.
• Signaling an emergency to alert nearby personnel and the public to take necessary precautions.

While all of these are valid uses of the train whistle, the most likely answer to the student's question is to alert others to an approaching train, which is particularly critical at crossings to prevent accidents.