[amp_mcq option1=”270 meters” option2=”90 meters” option3=”400 meters” option4=”None of these” correct=”option1″]
The correct answer is: A. 270 meters.
During thick or foggy weather, 2 detonators must be placed in rear of Engineering indicator at 270 meters. This is to ensure that the train will stop in time if it cannot see the signal.
Option B is incorrect because it is the distance between the detonators when the weather is clear.
Option C is incorrect because it is the distance between the detonators when the weather is foggy.
Option D is incorrect because it is not a valid option.