Internal Combustion Engine

Which of these is NOT a component of internal combustion engines?

• Crankshaft

• Spark-plug

• Turbine

• Piston

Why does the piston move up in the second stroke?

• Because the crankshaft pushes it

• Because the combustion chamber gets narrower

• To compress particles and make explosion more powerful

• Air-fuel mixture pushes it

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

What does a catalytic converter do?

• Converts pollutants into a less toxic form

• Varies utilization of fuel depending on need

• Control timing to make engine function more efficient

• Only use number of cylinders required

Tags

NGSS.HS-ESS3-4

Which characteristic of aluminum engine blocks makes them more efficient?

• malleability

• lightweight

• conductivity

• density

Tags

NGSS.HS-PS2-6

What mixture enters through the intake valve?

• Water vapors and air

• Gasoline and air

• Water vapors and gasoline

Name the four strokes of an internal combustion engine.

• Intake, conditioning, combustion, outake

• Intake, compression, combustion, exhaust

• Intake, compression, transmission, outake

• Intake, compression, conditioning, exhaust

What do 4 stroke engines use to create motion?

• Oil- based fuels

• Galvanic cell fuel

• Solar-thermal based fuels

• Secondary fuels

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In the intake stroke, the piston moves up (towards the intake valve)

• True

• False

Direct injection is a technology that allows variation of fuel usage based on need.

• True

• False

Tags

NGSS.MS-PS3-3