Which type of actuator uses an electromagnetic plunger to open ...

[newyorker26]

Which type of actuator uses an electromagnetic plunger to open and close a passage or move a linkage?
 
  A) LED B) Transistor C) Solenoid D) Relay

Question 2

Technician A says that DOT 5 brake fluid can be added to DOT 3 brake fluid. Technician B says that it is wise to purchase brake fluid that is in metal rather than plastic containers. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[mcomstock09]

Answer to Question 1

C

Answer to Question 2

B

[newyorker26]

Wow, this really help

[TheDev123]

Thanks for the timely response, appreciate it