Question

A bulletin order specifies that certain trains must be keyed 1-4-4-1. This means that the ________.

1) trains must be arranged in a specific order
2) trains must be arranged in a random order
3) trains must be arranged in a reverse order
4) trains must be arranged in a zigzag order

Answer 1

The bulletin order stating trains must be keyed 1-4-4-1 indicates that trains must be arranged in a specific order as per operational requirements or safety directives in railroading.

Step-by-step explanation:

The bulletin order that specifies trains must be keyed 1-4-4-1 means that the trains must be arranged in a specific order. This is likely in reference to operational procedures or directives used in railroading to ensure safety, efficiency, or to address specific operational requirements. This type of directive is important for train crews to adhere to, as it ensures that each train composition is arranged in a manner that complies with given specifications, which could be related to weight distribution, train length, or the types of cars and their contents.