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Engineering Science And Math > Hydraulics > Flashcards

Hydraulics Flashcards

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1
Q

What is hydraulics?

A

Hydraulics is a branch of science and engineering dealing with the mechanical properties of liquids.

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2
Q

True or False: Hydraulics primarily focuses on the behavior of gases.

A

False

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3
Q

What is the study of the mechanical properties of fluids called?

A

Fluid mechanics

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4
Q

What is the main principle behind hydraulic systems?

A

Pascal’s Law

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5
Q

Fill in the blank: Pascal’s Law states that pressure applied to a confined fluid is transmitted ________ in all directions.

A

equally

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6
Q

What is the SI unit of pressure?

A

Pascal (Pa)

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7
Q

What is the formula for pressure?

A

Pressure = Force / Area

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8
Q

What is the purpose of a hydraulic pump?

A

To convert mechanical power into hydraulic energy

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9
Q

What is the function of a hydraulic cylinder?

A

To convert hydraulic energy into mechanical power

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10
Q

What is the role of a hydraulic valve?

A

To control the flow of fluid within a hydraulic system

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11
Q

What is the main advantage of hydraulic systems over mechanical systems?

A

Hydraulic systems can transmit more power with less space and weight

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12
Q

True or False: Hydraulic systems are known for their high efficiency and precision.

A

True

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13
Q

What is the purpose of a hydraulic accumulator?

A

To store hydraulic energy and smooth out pressure fluctuations

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14
Q

What is the function of a hydraulic filter?

A

To remove contaminants from the hydraulic fluid

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15
Q

Fill in the blank: Hydraulic fluid is also known as hydraulic ________.

A

oil

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16
Q

What is the role of hydraulic seals in a hydraulic system?

A

To prevent leakage of hydraulic fluid

17
Q

What is the main cause of hydraulic system failure?

A

Contamination of the hydraulic fluid

18
Q

What is the recommended maintenance schedule for hydraulic systems?

A

Regular inspections and fluid changes as per manufacturer’s recommendations

19
Q

True or False: Hydraulic systems are used in a wide range of applications, including aircraft, construction equipment, and automotive brakes.

A

True

20
Q

What are the two main types of hydraulic pumps?

A

Gear pumps and piston pumps

21
Q

What are the advantages of gear pumps?

A

Simple design, low cost, and suitable for low-pressure applications

22
Q

What are the advantages of piston pumps?

A

High efficiency, high pressure capabilities, and suitable for high-performance applications

23
Q

What is the function of a hydraulic motor?

A

To convert hydraulic energy into rotary mechanical power

24
Q

What are the two main types of hydraulic cylinders?

A

Single-acting and double-acting cylinders

Engineering Science And Math (3 decks)

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