speed power ratio

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• Power steering — helps drivers steer vehicles by augmenting steering effort of the steering wheel. It does this by adding controlled energy to the steering mechanism, so the driver needs to provide only modest effort regardless of conditions. In particular, power …   Wikipedia

• Speed dating — is a formalized matchmaking process or dating system whose purpose is to encourage people to meet a large number of new people. Its origins are credited to Rabbi Yaacov Deyo of Aish HaTorah, originally as a way to help Jewish singles meet and… …   Wikipedia

• Power band — The power band which refers to the range of operating speeds under which the engine is able to operate efficiently. A typical gasoline automotive engine is capable of operating at a speed of between around 750 and 6000 RPM, but the engine s power …   Wikipedia

• power — /pow euhr/, n. 1. ability to do or act; capability of doing or accomplishing something. 2. political or national strength: the balance of power in Europe. 3. great or marked ability to do or act; strength; might; force. 4. the possession of… …   Universalium

• ratio — A fixed relationship between things in number, quantity or degree. For example, if the fuel mixture contains one part of gas for fifteen parts of air, the ratio would be 15 to 1. See a/f ratio a/f ratio air fuel ratio air fuel ratio air ratio… …   Dictionary of automotive terms

• power-failure speed ratio — The ratio of decision speed (V1 ) and rotation speed (VR ) for a given aircraft weight and runway dimensions. Those aircraft not associated with VR (rotation speed) use V1 /V2 as a graphical representation of aircraft performance data …   Aviation dictionary

• power steering — (PS) A steering system using hydraulic pressure to increase the driver s turning effort. As the driver turns the steering wheel, steering effort is reduced. The pressure is used either in the gearbox itself or in a hydraulic cylinder attached to… …   Dictionary of automotive terms

• Close-ratio transmission — A close ratio transmission is a transmission in which there is little difference between the gear ratios of the gears. Consequently, note that the word close implies near , not shut. The gear ratio numbers are in a smaller numeric range, hence… …   Wikipedia

• Adjustable-speed drive — (ASD) or variable speed drive (VSD) describes equipment used to control the speed of machinery. Many industrial processes such as assembly lines must operate at different speeds for different products. Where process conditions demand adjustment… …   Wikipedia

• Signal-to-noise ratio — For signal to noise ratio in statistics, see Cohen s d. Signal to noise ratio (often abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. It is defined… …   Wikipedia

• Stroke ratio — In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term which is used to describe the ratio between the diameter of the cylinder bore and the length of the piston stroke within its… …   Wikipedia