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Posted: June 6th, 2018
Question description
Q1) A pump delivers 40 litres/min to a 90 mm bore/30 mm rod cylinder to lift a load of 200 kg. What is the pressure exerted on the piston?What is the tempo at which the load shall be lifted?How quite a bit vitality is required to lift the load at this tempo?Q2)
Take into consideration the hydraulic elevate system inside the decide underneath, with 10 mm rod and 50 mm cylinder, used to lift a 500 kg load.
A handpump is getting used with a stroke of seven cm3 per pump actuation. What variety of pump cycles might be required to lift the load 100 mm extreme?
Assume you utilize the hand pump at a tempo of zero.three Hz. How prolonged would it not not take to lift the load 100 mm extreme?
What is the work and vitality required from the pump operator?
Assume now an electrical motor is getting used that pump at a payment of three litres / min. How prolonged would it not not take to lift the load 100 mm?
What is the work and vitality required from the electrical motor?
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