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Describe working of hand pump in half page answer fast and ♊☝☺☺♨☺follow me i will follow you |
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Answer» Where it is necessary to raise water to a height above that to which a suction or lift pump will operate effectively (about 7 metres), or to raise the pressure so that it will exit a nozzle with a strong force, such as through a fire hose, a force pump may be used. As with a suction pump, in its manual form it relies on an operator to pump a handle. The difference is however that after the water is sucked through the lower VALVE (as a result of raising the piston that is ATTACHED to the handle), its means of exit is via a PIPE or nozzle in the side of the MAIN cylinder. The water, once it has been drawn up above the lower valve and trapped there, is forced out the exit when the piston or plunger is pushed down again on the NEXT stroke.PLZ MARK AS BRAINLIESTAND THANK THIS ANSWERPLZPLZFOLLOW MEHAVE A GREAT DAYBYE♡♡♡♡ |
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