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 oilMineral oilWater emulsionEster2. What is used to ensure one-directional fluid flow?Non-return valveDirectional valveConstant flow valveSequence valve3. What mass can you lift with a 100 mm diameter hydraulic cylinder with a max pressure of 30 MPa?approx. 2,400 kgapprox. 240 kgapprox. 24,000 kgapprox. 240,000 kg4. What is the main advantage of hydraulics?High energy densityHigh speedDoes not require service and maintenanceLow energy consumption5. Which hydraulic component is represented by this symbol?Pressure guardShuttle valveNon-return valveQuick coupling6. What type of pump is represented by this symbol?Variable displacement pumpPump motorPump that can be rotated in two directionsGear pump7. What is a valve whose opening varies with the current through a solenoid called?Proportional valveReduction valveFlow valvePower valve8. What is calculated using the formula "p * Q"?SpeedOutputEfficiencyDisplacement9. Which of the following is true for a hydraulic cylinder with an area ratio of 2:1?The ring area is twice the size of the piston areaThe pressure on the piston side is twice as high as on the ring sideFor the same speed, twice as much flow is used to push the cylinderThe piston area is half the size of the ring areaTime is Up!