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Questions and Answers
What is the term used to describe the distance the piston travels from TDC to BDC?
What is the measurement used to describe engine size?
What is the ratio of the difference in cylinder volume at TDC and BDC called?
What is the term used to describe the twisting force measured at the end of the crankshaft?
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What is the rate of doing work expressed in foot-pounds per minute called?
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What is the power required to move 550 pounds one foot in one second called?
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What is the measurement used to calculate electrical power?
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Study Notes
- The diameter of a cylinder is called the bore, and the larger the bore, the greater the area for gases to work.
- The stroke of an engine is the distance the piston travels from TDC to BDC, determined by the throw of the crankshaft.
- Engine size is described as displacement, measured in cubic inches or cubic centimeters.
- Compression ratio is the ratio of the difference in cylinder volume at TDC and BDC.
- Torque is the twisting force measured at the end of the crankshaft and measured on a dynamometer.
- Power is the rate of doing work, expressed in foot-pounds per minute.
- Horsepower is the power required to move 550 pounds one foot in one second.
- Altitude affects engine power, with normally aspirated engines losing about 3% of power for every 1,000 feet of altitude.
- Electrical power is calculated as amperes times volts.
- Engine power is commonly rated in watts or kilowatts, with 1 horsepower equaling 746 watts.
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Description
Think you know your way around engines and power? Test your knowledge with this quiz on engine terminology and measurements. From bore and stroke to compression ratio and torque, see if you can identify these key concepts and how they relate to engine performance. Whether you're a gearhead or just curious about how engines work, give this quiz a try and see how much you really know!
