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Пособие по научно-техн

Complete the following text using words given in the box. Translate the text into Russian.

combustion

piston

valves

power

ignition

compression

engine

switch

What exactly happens when you turn the key to start the engine? The starting system consists of an electric starter motor and a starter solenoid. When you turn the … key, the starter motor spins the … a few revolutions so that the … process can start. It takes a powerful motor to spin a cold engine. The starter motor must overcome all of the internal friction caused by the … rings; the compression pressure of any cylinder(s) that happens to be in the … stroke; the energy needed to open and close … with the camshaft; all of the other things directly attached to the engine, like the water pump, oil pump, alternator, etc.

Because so much energy is needed and because a car uses a 12-volt electrical system, hundreds of amps of electricity must flow into the starter motor. The starter solenoid is essentially a large electronic … that can handle that much current. When you turn the key, it activates the solenoid to … the motor.