Physics · Instrumentation and Control
The primary power source for a pneumatic flapper-nozzle valve system is a .
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1supply of electric current with constant load
- 2supply of electric current with variable load
- 3supply of air at a variable pressure
- 4supply of air at a constant pressure✓
Correct answer
supply of air at a constant pressure
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