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Which engine is more efficient in terms of compression ratio?
For a conventional gasoline engine, the higher the compression ratio, the more efficient the engine. US passenger cars have not had very high compression ratios for about 30 years for multiple reasons. During 1970-1972, Chrysler had the highest compression ratios in US production cars, requiring the highest octane gasoline to operate properly.
How do you compare ratios-?
To compare ratios, compare the products of the outer terms by the inner terms.
How are ratios classified?
Ratios are often classified using the following terms: profitability ratios (also known as operating ratios), liquidity ratios, and solvency ratios.
What is the difference between equal ratios and equivalent ratios?
To write equal ratios multiply both terms by the same number or divided both terms. For example, 2/ 9 is a ratio equal ratio will be 4/18. There is no difference between equal ratios and equivalent ratios.
What is this difference between static and dynamic compression in 5th grader terms?
Static or cranking compression pressure is what each cylinderexperiences when the starter motor is turning the engine or whenthe engine is running at idle RPM. Dynamic compression is measure with all plugs installed but one. The compression is measured at that one plug hole when the throttle is snapped open for a split second.
How can you determine if two ratios are equilvalent?
To determine if two ratios are equivalent, you can cross-multiply the terms. For example, if you have ratios ( a:b ) and ( c:d ), you check if ( a \times d = b \times c ). If the products are equal, the two ratios are equivalent. Alternatively, you can simplify both ratios to their lowest terms and see if they are the same.
What does it mean when the terms in a ratio are equal?
equivalent ratios
What are the products of the terms on the diagonals when two ratios are compared?
The products of the diagonal terms of two ratios is known as the cross product. This term is more often used in reference to vectors, however.
When are 2 ratios equal?
The two ratios are said to be equal when even if we multiply both terms by the same number or divided both terms , the equivalent fraction or simplest fraction is the same.
What should the compression be on a 1986 na Nissan 300zx?
The compression ratio for a 1986 Nissan 300ZX with the naturally aspirated (NA) engine is typically around 8.3:1. It's essential to maintain this ratio for optimal performance and efficiency. If you're checking compression in terms of pressure, healthy cylinder compression readings should generally be between 140-160 psi. Variations from these numbers can indicate engine wear or issues that may need to be addressed.
Can ratios be reduced to lowest terms?
Yes, they can.
Does a head gasket make an engine lose compression?
Verification on your question: Do head gaskets make cars lose pressure....hmmmmm, I think what your asking is.... Does a head gasket make an engine lose compression. - Correct?The simple answer is yes, it does, but it is by design. The amount the head gasket lowers the compression (or pressure) is built into the overall design of the engine. For instance, if you were to assemble the head to the block, without a gasket, you would raise the compression (pressure) slightly and potentially cause damage to the engine. This would most likely become apparent when you burn out a valve or burn a hole in the top of a piston.In general terms: - The greater the compression ratio, the bigger the explosion in the bore and the more heat that is produced.
