Internal Combustion Engine Basics
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Internal Combustion Engine Basics

Test your knowledge of the major components of an internal combustion engine, including technical terms and definitions. Learn about compression, ignition, and more. This quiz is perfect for automotive enthusiasts and students alike.

Created by
@TimelyLawrencium

Questions and Answers

What is the primary principle of operation for a diesel engine?

Compression ignition

What is the unit of measurement for force in the Imperial system?

Pounds

What is the formula for work?

Work = force multiplied by distance

What type of ignition is used with fuels such as gasoline and propane?

<p>Spark ignition</p> Signup and view all the answers

What is the definition of force?

<p>The push or pull that attempts to move an object</p> Signup and view all the answers

What is the unit of measurement for work in the Imperial system?

<p>Foot-pounds</p> Signup and view all the answers

What is the unit of measurement for torque in the metric system?

<p>newton metres</p> Signup and view all the answers

What is the formula to calculate the area of a cylinder?

<p>Area = bore2 x 0.7854</p> Signup and view all the answers

What is the term used to describe the distance that a piston moves from top dead centre to bottom dead centre?

<p>Stroke</p> Signup and view all the answers

What is the unit of measurement for engine displacement in the imperial system?

<p>cubic inches</p> Signup and view all the answers

What is the formula to calculate engine displacement?

<p>Engine displacement = area of a cylinder x stroke x number of cylinders</p> Signup and view all the answers

What is the term used to describe the diameter of a cylinder?

<p>Bore</p> Signup and view all the answers

What is the unit of measurement for compression ratio?

<p>Ratio of volumes</p> Signup and view all the answers

What is the formula to calculate compression ratio?

<p>CR = CV / V</p> Signup and view all the answers

What is the relationship between engine displacement and power output?

<p>Engine displacement is directly proportional to power output</p> Signup and view all the answers

What is the device used to measure engine torque?

<p>Dynamometer</p> Signup and view all the answers

What is the primary reason a diesel engine requires a higher compression ratio than a gasoline engine?

<p>To heat the air in the cylinder to ignite the fuel</p> Signup and view all the answers

What is the unit of measurement for heat value in the metric system?

<p>Kilojoule (kJ)</p> Signup and view all the answers

What is the percentage of heat energy lost to overcome friction in an internal combustion engine?

<p>7%</p> Signup and view all the answers

What is the purpose of a turbocharger or blower in an engine?

<p>To force the intake air into the cylinder under pressure</p> Signup and view all the answers

What is the difference between indicated horsepower and brake horsepower?

<p>Indicated horsepower is the theoretical horsepower, while brake horsepower is the rated horsepower</p> Signup and view all the answers

What is the formula to calculate brake horsepower?

<p>bhp = ihp - fhp</p> Signup and view all the answers

What is the effect of engine speed on volumetric efficiency?

<p>Volumetric efficiency decreases with engine speed</p> Signup and view all the answers

What is the percentage of an engine's theoretical power that is typically lost to overcome internal friction?

<p>64%</p> Signup and view all the answers

What is the definition of one horsepower?

<p>The ability to perform 33 000 lb-ft of work in 1 minute</p> Signup and view all the answers

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