Technician A says that a relay piston in a foot valve responds to pneumatic signal from the primary section of the valve, by metering out into the secondary circuit the same pressure that acts on it. Technician B says that the further a primary piston travels through its stroke in a dual circuit foot valve, the more pressure is applied in opposition to foot pressure. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: C
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If an inspection is requested when the project is not ready, the building official may charge a fee for excess time spent.
Answer the following statement true (T) or false (F)
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What is implied by the phrase hotline service?
What will be an ideal response?
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How old are most pecan trees before they begin to produce?
a. 3 years c. 8 to 10 years b. 3 to 5 years d. 6 years
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If metal switch boxes are passing the sensor location at 30 mm then the best choice for a sensor would be
A) Through beam photoelectric. B) Inductive proximity. C) Capacitive proximity. D) Diffused beam photoelectric. E) None of the above
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