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hand control valve

См. также в других словарях:

  • brake control valve — A valve in the aircraft brake system that controls the amount of hydraulic pressure applied to wheel brakes. The pressure is applied to the brakes whenever either the brake pedals are depressed or a hand brake lever is pulled. The brake control… …   Aviation dictionary

  • Control valves — are valves used to control conditions such as flow, pressure, temperature, and liquid level by fully or partially opening or closing in response to signals received from controllers that compare a setpoint to a process variable whose value is… …   Wikipedia

  • control — {{Roman}}I.{{/Roman}} noun 1 power over sb/sth ADJECTIVE ▪ absolute, complete, full, total ▪ effective, proper (esp. BrE) ▪ close …   Collocations dictionary

  • Hand-stopping — is a technique by which a natural horn can be made to produce notes outside of its normal harmonic series. By inserting the hand, cupped, into the bell, the player can reduce the pitch of a note by a semitone or more. This, combined with the use… …   Wikipedia

  • Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …   Wikipedia

  • Control line — Brodak Control Line Aerobatic Strega in flight Control line (also called U Control ) is a simple and light way of controlling a flying model aircraft. The aircraft is connected to the operator by a pair of lines, attached to a handle, that work… …   Wikipedia

  • Hand brake — In cars, the hand brake (also known as the emergency brake, e brake, park brake, slide stick or parking brake) is a latching brake usually used to keep the car stationary. Automobile e brakes usually consist of a cable (usually adjustable for… …   Wikipedia

  • Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

  • Control (management) — Controlling is one of the managerial functions like planning, organizing, staffing and directing. It is an important function because it helps to check the errors and to take the corrective action so that deviation from standards are minimized… …   Wikipedia

  • control system — Means by which a set of variable quantities is held constant or caused to vary in a prescribed way. Control systems are intimately related to the concept of automation but have an ancient history. Roman engineers maintained water levels in… …   Universalium

  • Variable valve timing — Variable valve timing, or VVT, is a generic term for an automobile piston engine technology. VVT allows the lift or duration or timing (some or all) of the intake or exhaust valves (or both) to be changed while the engine is in operation. Two… …   Wikipedia

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