Techonology Quiz: Hydraulics rikkonadmin27 maj 2021Leave a Comment Welcome to Techonology Quiz: Hydraulics 1. What type of fluid is most common in hydraulic systems?Rapeseed oilWater emulsionMineral oilEster2. What is used to ensure one-directional fluid flow?Sequence valveNon-return valveConstant flow valveDirectional valve3. What mass can you lift with a 100 mm diameter hydraulic cylinder with a max pressure of 30 MPa?approx. 2,400 kgapprox. 24,000 kgapprox. 240,000 kgapprox. 240 kg4. What is the main advantage of hydraulics?High energy densityHigh speedLow energy consumptionDoes not require service and maintenance5. Which hydraulic component is represented by this symbol?Non-return valvePressure guardShuttle valveQuick coupling6. What type of pump is represented by this symbol?Variable displacement pumpGear pumpPump that can be rotated in two directionsPump motor7. What is a valve whose opening varies with the current through a solenoid called?Flow valveReduction valvePower valveProportional valve8. What is calculated using the formula "p * Q"?DisplacementEfficiencySpeedOutput9. Which of the following is true for a hydraulic cylinder with an area ratio of 2:1?The piston area is half the size of the ring areaFor the same speed, twice as much flow is used to push the cylinderThe pressure on the piston side is twice as high as on the ring sideThe ring area is twice the size of the piston areaTime is Up!