Q1. Which law states that pressure exerted on a liquid is transmitted equally in all directions?
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Q2. What is the working medium in pneumatic systems?
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Q3. Which component stores hydraulic energy and smoothens pulsations?
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Q4. Which hydraulic pump is commonly used for high pressure applications?
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Q5. A pressure relief valve is used for:
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Q6. What does the notation 4/2 valve mean?
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Q7. Which of the following is a directional control valve?
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Q8. In single-acting hydraulic cylinders, the piston returns by:
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Q9. Which valve allows fluid flow in one direction only?
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Q10. Pressure switches are used to:
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Q11. What is the main advantage of hydraulic systems over pneumatic?
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Q12. Typical working pressure of pneumatic systems is around:
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Q13. In hydraulics, the fluid is:
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Q14. Which actuator converts hydraulic energy to mechanical motion?
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Q15. Which actuator produces rotary motion from hydraulic energy?
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Q16. What is the function of a flow control valve in a hydraulic system?
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Q17. Which fluid property affects compressibility important in pneumatics?
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Q18. Hydraulic power is transmitted through:
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Q19. What devices are used to convert electrical signals to pneumatic?
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Q20. In a hydraulic system, what is the role of the reservoir?
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Q21. Pneumatic systems are preferred in:
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Q22. A tandem cylinder is used to:
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Q23. In pneumatics, the main supply is:
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Q24. Which valve adjusts speed of cylinder in hydraulic circuits?
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Q25. What is the function of a pressure gauge?
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Q26. Which type of pump is positive displacement?
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Q27. Advantages of pneumatic system include:
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Q28. What is the purpose of a shuttle valve?
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Q29. What is cavitation in hydraulics?
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Q30. What is the function of a relief valve?
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