Boiler in a power plant has two functions. The Combustion system converts energy in coal to Heat. Water and steam system converts the heat to steam at high pressures and temperatures.
Automatic transmission solenoid is located inside the transmission. The automatic control solenoid is part of a unit called the solenoid pack that functions like a sensor signaling the engine by adding or alleviating the hydraulic pressure of the system.This allows you to shift between gears smoothly.he transmission is an automotive part located at the back of the engine and allows the vehicle to move based on its ability to shift gears. The shifting of gears is made possible the automatic transmissions solenoid.
A starter solenoid (or starter relay) is the part of an automobile which switches a large electric current to the starter motor, in response to a small control current, and which in turn sets the engine in motion.hen the ignition switch is turned on, a small electric current is sent through the starter solenoid. This causes the starter solenoid to close a pair of heavy contacts, thus relaying a large electric current through the starter motor, which in turn sets the engine in motion.