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A tyre gauge reads pressure relative to the surrounding air. Such a reading is called:
AVapour pressure
BGauge pressure
CAbsolute pressure
DAmbient pressure
Answer & Solution
Correct answer: B. Gauge pressure
1. Atmospheric pressure is the reference.
2. It is what a workshop gauge shows.
3. It is gauge pressure.
_Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._
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