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  2. Glossary of firefighting equipment - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_firefighting...

    Rotated the other direction, it will produce a jet of water; and at the end of rotation the water will be shut off. The shut off option can not be used for a long time as line is charged with pressure and it may burst the hose line. Landon hand control diffuser: This branch is fitted with a handle. Moving handle we get fog, spray, jet and shut off.

  3. Gate turn-off thyristor - Wikipedia

    en.wikipedia.org/wiki/Gate_turn-off_thyristor

    A distributed buffer gate turn-off thyristor (DB-GTO) is a thyristor with additional PN layers in the drift region to reshape the field profile and increase the voltage blocked in the off state. Compared to a typical PNPN structure of a conventional thyristor, the DB-GTO thyristor has a PN–PN–PN structure.

  4. Induction generator - Wikipedia

    en.wikipedia.org/wiki/Induction_generator

    As an example, consider the use of a 10 hp, 1760 r/min, 440 V, three-phase induction motor (a.k.a. induction electrical machine in an asynchronous generator regime) as asynchronous generator. The full-load current of the motor is 10 A and the full-load power factor is 0.8.

  5. Power-on reset - Wikipedia

    en.wikipedia.org/wiki/Power-on_reset

    One of the issues with using an RC network to generate a PoR pulse is the sensitivity of the R and C values to the power-supply ramp characteristics. When the power supply ramp is rapid, the R and C values can be calculated so that the time to reach the switching threshold of the Schmitt trigger is enough to apply a long enough reset pulse.

  6. Droop speed control - Wikipedia

    en.wikipedia.org/wiki/Droop_speed_control

    Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...

  7. Time switch - Wikipedia

    en.wikipedia.org/wiki/Time_switch

    The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.

  8. Westinghouse Atom Smasher - Wikipedia

    en.wikipedia.org/wiki/Westinghouse_Atom_Smasher

    The atom smasher was shut down so that Westinghouse could focus on the electronics department. [21] Many of the contributors to the Westinghouse project moved onto find other jobs during this period of shut down, but stayed closely connected to the nuclear research that was happening during the time. [21]

  9. Motorola Minitor - Wikipedia

    en.wikipedia.org/wiki/Motorola_Minitor

    Holding down the reset button in selective call mode will monitor the channel for any transmission on that channel at that time, or pure static as the squelch is bypassed. Field Programmable - Some models have field programmable options such as Non- Priority Scan, Alert Duration, Priority Alert, On/Off Duty, Reset Options, and Push-To-Listen.