What Do You Think You Know About Hydraulics

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Questions: 10 | Attempts: 478 | Updated: Mar 22, 2023

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What Do You Think You Know About Hydraulics - Quiz

Hydraulics falls under engineering, chemistry, and some others. It entails the mechanical properties and use of liquids. And it is the opposite of pneumatic at the base level.

Questions and Answers

1.

Hydraulics is a technology and other sciences involving the mechanical properties and use of?
- A.
  
  Liquids
- B.
  
  Chemical
- C.
  
  Machine
- D.
  
  None of the above
Correct Answer
A. Liquids

Explanation
Hydraulics is a technology that deals with the mechanical properties and use of liquids. It involves the study of how liquids behave under pressure and how they can be used to transmit force or power. This field is used in various applications such as engineering, construction, and transportation, where the properties of liquids are utilized to control and manipulate mechanical systems.

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2.

In its fluid power applications, hydraulics is used for the generation?
- A.
  
  Control
- B.
  
  Transmission of power
- C.
  
  Pressurized liquids
- D.
  
  All of the above
Correct Answer
D. All of the above

Explanation
Hydraulics is used for control, transmission of power, and the use of pressurized liquids in its fluid power applications. This means that all of the mentioned options are correct and applicable in the context of hydraulics.

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3.

The principles of hydraulics are in use naturally in the human body within the?
- A.
  
  Heart
- B.
  
  Penile erection
- C.
  
  Lung
- D.
  
  A and B only
Correct Answer
D. A and B only

Explanation
The principles of hydraulics are in use naturally in the human body within the heart and penile erection. The heart uses hydraulic pressure to pump blood throughout the body, while penile erection involves the filling of blood vessels in the penis, similar to how hydraulic systems work. The lungs, on the other hand, do not operate on hydraulic principles.

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4.

Free surface hydraulics is the branch of hydraulics dealing with the free surface flow, such as?
- A.
  
  Rivers
- B.
  
  Canals
- C.
  
  Lakes
- D.
  
  All of the above
Correct Answer
D. All of the above

Explanation
Free surface hydraulics is the branch of hydraulics that studies the behavior of water flow where the water surface is not confined. This includes rivers, canals, and lakes, as they all have open surfaces where the water is free to flow and interact with the surroundings. Therefore, the correct answer is "All of the above" as all three options are examples of free surface flow.

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5.

The word ‘hydraulics’ originates from the Greek word?
- A.
  
  Hydraulikos
- B.
  
  Aulos
- C.
  
  Pipe
- D.
  
  None of the above
Correct Answer
A. Hydraulikos

Explanation
The correct answer is "Hydraulikos". The word "hydraulics" originates from the Greek word "Hydraulikos". This term refers to the study of the mechanical properties of liquids, particularly water, and how they can be applied in engineering and technology.

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6.

Early uses of water power date back to Mesopotamia and ancient?
- A.
  
  Roman
- B.
  
  Persia
- C.
  
  Egypt
- D.
  
  Sparta
Correct Answer
C. Egypt

Explanation
Early uses of water power date back to Mesopotamia and ancient Egypt. Mesopotamia, located in present-day Iraq, is known for its advanced irrigation systems that utilized water power to control the flow of water for agriculture. However, ancient Egypt is also renowned for its use of water power, particularly in the construction of the Great Pyramids and the creation of canals and irrigation systems along the Nile River. The Nile River was a vital source of water and power for the ancient Egyptians, making Egypt the correct answer.

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7.

Irrigation has been in existence since the?
- A.
  
  7th millennium BC
- B.
  
  5th millennium BC
- C.
  
  3rd millennium BC
- D.
  
  6th millennium BC
Correct Answer
D. 6th millennium BC

Explanation
Irrigation has been in existence since the 6th millennium BC. This means that people have been using irrigation techniques to supply water to crops and plants for thousands of years. The development of irrigation systems allowed for more efficient and reliable agriculture, leading to increased food production and the growth of civilizations. This early use of irrigation demonstrates the ingenuity and resourcefulness of ancient societies in adapting to their environment and ensuring the survival of their communities.

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8.

Water clocks has been used since the early?
- A.
  
  3rd millennium BC
- B.
  
  4th millennium BC
- C.
  
  5th millennium BC
- D.
  
  2nd millennium BC
Correct Answer
D. 2nd millennium BC

Explanation
Water clocks have been used since the 2nd millennium BC. This means that they were in use during the time period between 2000 BC and 1000 BC. Water clocks were one of the earliest timekeeping devices and were used to measure the passage of time based on the flow of water. They were commonly used in ancient civilizations such as the Egyptians, Greeks, and Chinese. The use of water clocks during this time period demonstrates the early development of timekeeping systems and the importance of measuring time in various ancient societies.

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9.

Early examples of water power include the Qanat system in ancient?
- A.
  
  Sparta
- B.
  
  Roman
- C.
  
  Egypt
- D.
  
  Persia
Correct Answer
D. Persia

Explanation
The Qanat system, an early example of water power, was developed in ancient Persia. This system involved a series of underground tunnels and channels that transported water from underground sources to the surface, allowing for irrigation and other uses. The Persians were known for their advanced engineering skills, and the Qanat system was a testament to their ingenuity in harnessing the power of water for practical purposes.

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10.

The construction of the first hydraulic automata by?
- A.
  
  Cleopatra
- B.
  
  Horace
- C.
  
  Emerson
- D.
  
  Ctesibius
Correct Answer
D. Ctesibius

Explanation
Ctesibius is credited with constructing the first hydraulic automata. He was an ancient Greek inventor and mathematician who lived in Alexandria, Egypt during the 3rd century BC. Ctesibius is known for his contributions to the field of pneumatics and hydraulics, and his automata were powered by water pressure. These machines were able to perform various movements and actions, and they laid the foundation for the development of later automata and mechanical devices. Cleopatra, Horace, and Emerson are not known for their contributions to the construction of hydraulic automata.

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