UKPSC AE 2013, UP AE 2006
⭕ A. dead slow movement
⭕ B. indicating busy platform
⭕ C. possible danger ahead
⭕ D. shunting
📚 Explanation:
Disc (or ground) signals in railways are used specifically for shunting operations.
🔹 These signals show a **red disc on a white background**.
🔹 They are installed in station yards to control movements during shunting.
🔹 They operate at low heights, hence called **ground signals**.
Where are they used?
In yards, sidings, and areas where trains move slowly during rearrangement of coaches or wagons.
Disc (or ground) signals in railways are used specifically for shunting operations.
🔹 These signals show a **red disc on a white background**.
🔹 They are installed in station yards to control movements during shunting.
🔹 They operate at low heights, hence called **ground signals**.
Where are they used?
In yards, sidings, and areas where trains move slowly during rearrangement of coaches or wagons.
👉 Therefore, the correct answer is: D. Shunting
Key Points on Disc (Ground) Signals:
- Used for shunting: Controls movements in yards.
- Red disc on white: Traditional appearance of disc signals.
- Low-level signals: Installed near ground level.
