Pilot gas is supplied to the pilot burner through a __ valve and __ valve

Pilot gas is supplied to the pilot burner through a __ valve and __ valve

Pilot gas is supplied to the pilot burner through a __ valve and __ valve





A. Globe, gate
B. Pressure control, globe
C. Solenoid, flow control
D. Pressure control, solenoid
E. Flow control, Pressure control




Answer: D


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