Engine Performance Basics Quiz

Which of the following is a unit commonly used to measure engine power?

• Newton

• Watt

• Pascal

• Joule

What does the abbreviation "RPM" stand for in engine performance?

• Rotations Per Meter

• Revolutions Per Minute

• Rate Per Mile

• Resistance Per Module

Which component is primarily responsible for mixing air and fuel in a traditional gasoline engine?

• Carburetor

• Radiator

• Crankshaft

• Piston

What is the main function of the camshaft in an internal combustion engine?

• To ignite the air-fuel mixture

• To open and close the engine valves

• To cool the engine

• To lubricate engine parts

Which term describes the maximum pressure developed in the combustion chamber during the power stroke?

• Compression Ratio

• Peak Cylinder Pressure

• Mean Effective Pressure

• Volumetric Efficiency

Which of the following is NOT a type of engine efficiency?

• Mechanical Efficiency

• Thermal Efficiency

• Volumetric Efficiency

• Electrical Efficiency

Tags

NGSS.HS-PS3-4

What does the term "stoichiometric air-fuel ratio" refer to?

• The ratio of maximum air to minimum fuel

• The ideal ratio for complete combustion

• The ratio of exhaust gases to intake air

• The ratio of engine speed to load

Which instrument is used to measure the speed of an engine?

• Thermometer

• Tachometer

• Barometer

• Anemometer

What is the typical value of the stoichiometric air-fuel ratio for gasoline engines?

• 8:1

• 12.5:1

• 14.7:1

• 18:1

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4