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AUXSEA Ch 3
Question | Answer |
---|---|
In the spark ignition engine, fuel and air are mixed in the _____. | Carburetor |
The fuel in a diesel engine is _____ into the cylinder. | Injected |
What ignites the fuel in a diesel engine? | Heat of compression |
List the operations performed by each of the four strokes of a four stroke engine: 1. _____ 2. _____ 3. _____ 4. _____ | Intake, Compression, Power, Exhaust |
List the operations performed by each of the two stokes of a two stroke cycle engine. | Compression, Power |
The exhaust valve is open at the bottom of the _____stroke on a 2-stroke | Engine |
List the main working parts of the power system that transmit power from the cylinders to the drive shaft. | Pistons, Connecting rods, Crankshaft |
The valves are opened by _____ | Action of camshaft |
The _____ is designed to change rotary to intermittent reciprocating motion to open the valves. | Crankshaft |
The lubricating system in an internal combustion engine delivers oil to the moving parts to _____ and to _____. | Reduce friction, Assist in keeping them cool |
Marine engines are cooled by _____. | Water |
What are the parts of the induction (fuel) system of a gasoline engine? _____ _____ _____ _____ _____ | Fuel tank, Fuel pump, Carburetor, necessary, Fuel lines, Air passages |
In the gasoline engine, the ratio of the fuel to air mixture is controlled by the _____. | Carburetor |
What is a rich mixture in a gasoline engine? | % of gas vapor is high |
What is a lean mixture? | a low % of gas vapor |
The _____ system provides a rich mixture for slow engine speeds and for starting. | Idling system |
A typical ignition system of a gasoline engine consists of _____, _____, _____, _____ , _____ and ______. | Ignition coil, Mechanical breaker (ignition points), Condenser, Distributor, Spark plug in each cylinder, Necessary wiring |
List the components in the primary ignition circuit of a gasoline engine? _____ _____ _____ _____ _____ | Battery, Ignition switch, Breaker points and Condenser |
List the components in the secondary ignition circuit of a gasoline engine. _____, _____ , ______ and _______. | Ignition coil, Distributor, Spark plugs, Necessary wire |
The high voltage that produces the spark in the spark plug is produced in the _____ . | Ignition coil |