Podcast
Questions and Answers
What is the primary reason for selecting a hydraulic oil with high viscosity?
What is the primary reason for selecting a hydraulic oil with high viscosity?
- To increase the actuator output speeds
- To reduce friction and increase power
- To maintain film strength for lubrication and sealing (correct)
- To reduce the temperature of the system
What is the consequence of having hydraulic oil with viscosity that is too high?
What is the consequence of having hydraulic oil with viscosity that is too high?
- Increased lubrication and reduced friction
- Decreased temperature and increased actuator output speeds
- Reduced internal leakage and increased oil film strength
- Increased power required to drive the system and sluggish operation (correct)
What is the primary function of hydraulic oil in a hydraulic system?
What is the primary function of hydraulic oil in a hydraulic system?
- To pressurize the system
- To lubricate the components of the system (correct)
- To clean the system
- To cool the system
What is the result of having hydraulic oil with viscosity that is too low?
What is the result of having hydraulic oil with viscosity that is too low?
What type of lubrication occurs when the clearance between moving parts is sufficient to allow the film of oil to completely separate them?
What type of lubrication occurs when the clearance between moving parts is sufficient to allow the film of oil to completely separate them?
Why is it important to select a hydraulic oil with the correct viscosity?
Why is it important to select a hydraulic oil with the correct viscosity?
What is a result of increased internal leakage in a hydraulic system?
What is a result of increased internal leakage in a hydraulic system?
What is a consequence of using hydraulic oil with high viscosity in a system?
What is a consequence of using hydraulic oil with high viscosity in a system?
What is the purpose of hydraulic oil in a hydraulic system?
What is the purpose of hydraulic oil in a hydraulic system?
What happens when the viscosity of hydraulic oil is too low?
What happens when the viscosity of hydraulic oil is too low?