Hydraulics Flashcards
What is hydraulics?
Hydraulics is a branch of science and engineering dealing with the mechanical properties of liquids.
True or False: Hydraulics primarily focuses on the behavior of gases.
False
What is the study of the mechanical properties of fluids called?
Fluid mechanics
What is the main principle behind hydraulic systems?
Pascal’s Law
Fill in the blank: Pascal’s Law states that pressure applied to a confined fluid is transmitted ________ in all directions.
equally
What is the SI unit of pressure?
Pascal (Pa)
What is the formula for pressure?
Pressure = Force / Area
What is the purpose of a hydraulic pump?
To convert mechanical power into hydraulic energy
What is the function of a hydraulic cylinder?
To convert hydraulic energy into mechanical power
What is the role of a hydraulic valve?
To control the flow of fluid within a hydraulic system
What is the main advantage of hydraulic systems over mechanical systems?
Hydraulic systems can transmit more power with less space and weight
True or False: Hydraulic systems are known for their high efficiency and precision.
True
What is the purpose of a hydraulic accumulator?
To store hydraulic energy and smooth out pressure fluctuations
What is the function of a hydraulic filter?
To remove contaminants from the hydraulic fluid
Fill in the blank: Hydraulic fluid is also known as hydraulic ________.
oil
What is the role of hydraulic seals in a hydraulic system?
To prevent leakage of hydraulic fluid
What is the main cause of hydraulic system failure?
Contamination of the hydraulic fluid
What is the recommended maintenance schedule for hydraulic systems?
Regular inspections and fluid changes as per manufacturer’s recommendations
True or False: Hydraulic systems are used in a wide range of applications, including aircraft, construction equipment, and automotive brakes.
True
What are the two main types of hydraulic pumps?
Gear pumps and piston pumps
What are the advantages of gear pumps?
Simple design, low cost, and suitable for low-pressure applications
What are the advantages of piston pumps?
High efficiency, high pressure capabilities, and suitable for high-performance applications
What is the function of a hydraulic motor?
To convert hydraulic energy into rotary mechanical power
What are the two main types of hydraulic cylinders?
Single-acting and double-acting cylinders
