Sketch arrows next to each of the two solenoid valves showing the directions of air flow in the energized (E) and de-energized (D) states, assuming both of the solenoid valves must “trip” in order to force the process valve to go to its “fail” position (i.e. 2oo2 to trip):

Answer :

Read All SOV Questions & Answers

Solenoid Valves Questions & Answers – 1

Solenoid Valves Questions & Answers – 2

Solenoid Valves Questions & Answers – 3

Solenoid Valves Questions & Answers – 4

Solenoid Valves Questions & Answers – 5

Solenoid Valves Questions & Answers – 6

Solenoid Valves Questions & Answers – 7