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Earn +20 ptsQ: Why Cassegrain feed is used with parabolic reflector?
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Is parasitic elements are used in yagi-uda antenna?
Yes - reflector element and directional elements.
Why negative feed back used in oscillator?
A positive
Why is used the balancing line in boiler feed pump and its direction of flow?
In boiler feed pumps usually the discharge pressure is 20 to 30 times tie suction Pressure so to protect the pump balancing line is given from discharge to suction.
Are Passive reflectors used in both Active and passive Satellite system?
Yes. The most common antenna for satellite systems is the 'Dish'.The dish is a parabolic , passive, reflector.It merely reflects and concentrates the signal to the LNB receiver.Transmission also works this way, bouncing the signal off the dish, to concentrate it in one direction, in a narrow beam.
What is pressure shaft?
Pressure Shaft is enclosed pipe/channel used to deliver/feed water to hydraulic turbines in respect of hydro power plant.
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