Table of Contents
- 1 Which step of the four stroke engine cycle does the spark plug initiate the combustion reaction?
- 2 In which part of the four stroke cycle does the spark plug fire?
- 3 During what stage of the four stroke cycle does combustion occur?
- 4 Which of the following is the correct sequence of steps in the four-stroke engine cycle apex?
- 5 What are the 4 strokes of an internal combustion engine?
- 6 Which stroke of a 4 cycle engine provides the energy to the crankshaft?
Which step of the four stroke engine cycle does the spark plug initiate the combustion reaction?
Answer: Combustion stroke is the step at which four-stroke engine cycle sparks plug initiate the combustion reaction.
In which part of the four stroke cycle does the spark plug fire?
The piston reaches Bottom Dead Center (BDC). As the piston travels up the cylinder, the intake valve closes. The air/fuel mixture is compressed in the chamber. Near the top of the compression stroke, the spark plug fires.
What are the 4 steps in an engine’s combustion cycle?
The cycle includes four distinct processes: intake, compression, combustion and power stroke, and exhaust.
During what stage of the four stroke cycle does combustion occur?
Combustion: Also known as power or ignition. This is the start of the second revolution of the four stroke cycle. At this point the crankshaft has completed a full 360 degree revolution. While the piston is at T.D.C.
Which of the following is the correct sequence of steps in the four-stroke engine cycle apex?
Explanation: This is the functioning of a four-stroke internal combustion engine. Explanation: The correct sequence is intake->compression->expansion->exhaust and expansion stroke is also called power stroke.
What are the parts of 4-stroke engine?
Parts of a Four Stroke Engine
- Piston. In an engine, a piston transfers the expanding forces of gas to mechanical rotation of the crankshaft through a connecting rod.
- Crankshaft.
- Connecting Rod.
- Flywheel.
- Inlet and Outlet Valves.
- Spark Plug.
- Suction/Intake Stroke.
- Compression Stroke.
What are the 4 strokes of an internal combustion engine?
4-Stroke Internal Combustion Engine
- Intake Stroke.
- Compression Stroke.
- Power Stroke.
- Exhaust Stroke.
- Navigation ..
Which stroke of a 4 cycle engine provides the energy to the crankshaft?
1 stroke
In one 4-stroke cycle, only 1 stroke out of 4 delivers new energy to turn the crankshaft. The remaining four strokes, besides not producing any energy, consumes a lot of energy produced in the expansion stroke. This is one of the main reasons for the low efficiencies of IC Engines.
How does a 4 stroke dirt bike engine work?
A 4 stroke dirt bike engine works on a principle of four strokes or four cycles of a piston. During the next stroke, which is the combustion stroke, the spark plug ignites the compressed fuel. This combustion causes high pressure in the cylinder chamber and forces the piston down.