Difficulty: Easy
Correct Answer: Three turnouts
Explanation:
Introduction / Context:
A railway triangle (also called a wye) allows turning of rolling stock and provides route flexibility without a turntable. Recognizing its components is basic track-layout knowledge.
Given Data / Assumptions:
Concept / Approach:
A triangle is formed by three legs meeting at three nodes. Each node requires a turnout to diverge from one leg to the next. Thus, three turnouts create the triangular route.
Step-by-Step Solution:
Visualize three legs meeting pairwise with switch control.At each vertex, a turnout is needed → total three.Therefore, choose “Three turnouts.”
Verification / Alternative check:
Track-planning diagrams for wyes show three switches (turnouts) forming the loop.
Why Other Options Are Wrong:
Common Pitfalls:
Confusing diamond crossings (track intersections) with turnouts (switching between routes).
Final Answer:
Three turnouts
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