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A pressure gauge built from a U-shaped tube of mercury is called a:
AVoltmeter
BOdometer
CThermometer
DManometer
Answer & Solution
Correct answer: D. Manometer
1. Fluid weight indicates pressure.
2. The tube is U-shaped.
3. It is a manometer.
_Source: OpenStax University Physics Volume 1, Chapter 14, Fluid Mechanics._
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