1. Valves are mechanical devices designed to control the flow of fluids.
a. True
b. False
2. A solenoid valve is a combination of three basic units.
a. True
b. False
3. Two-way solenoid valves can be used to control water, oil, and airflow.
a. True
b. False
4. The armature is also known as plunger.
a. True
b. False
5. The armature is made from a high-grade copper.
a. True
b. False
Name: Class: Date:
Unit 15 Solenoid Valves
6. Remote control is accomplished by running ____ control wire(s) between the valve and a control device.
a. a single b. two pairs of
c. a thin d. a single pair of
7. A solenoid valve is opened or closed by the movement of the ____.
a. solenoid b. electromagnet
c. magnetic plunger d. valve
8. A solenoid valve operates when current is applied to the ____.
a. plunger b. solenoid
c. core d. armature
9. Standard applications of solenoid valves generally require that the valve be mounted ____ the piping with the inlet
and outlet connections directly opposite each other.
a. directly in line in b. perpendicular to each other on
c. at opposite ends of d. above and below
10. The tightness of a two-way solenoid valve depends to a degree on pressure acting downward on the ____.
a. sealing disc b. spring
c. retainer d. stem
Name: Class: Date:
Unit 15 Solenoid Valves