Deck 35: Solenoid Valves

Question 1

Solenoid valves are used to control the flow of gases or liquids.

Answer 1

True

Question 2

The solenoid coil of a 4-way valve operates a ____ that is used to operate the main valve.

A) plug valve
B) pilot valve
C) piston valve
D) rotary valve

Answer 2

pilot valve

Question 3

The inlet and outlet side of a solenoid valve should never be reversed.

Answer 3

True

Question 4

A reversing valve has two valves that operate independently of each other.

Question 5

The plunger of the solenoid is used to lift the valve off its seat.

Question 6

The reversing valve directs the flow to the ____ and back to the compressor.

A) condenser
B) evaporator
C) accumulator
D) sensor

Question 7

The force needed to operate the main valve is provided by the ____.

A) compressor
B) evaporator
C) accumulator
D) condenser

Question 8

A solenoid valve is a(n) ____ operated valve.

A) electrically
B) manually
C) mechanically
D) digitally

Question 9

Reversing valves are used to change the ____ of refrigerant in a heat-pump system.

A) amount of flow
B) temperature
C) pressure
D) direction of flow

Question 10

A 3-way solenoid valve is commonly used in the air conditioning field.