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18 Questions

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Fluid Pressure and Depth

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Questions and Answers

What does the Greek word 'Therme' mean?

Heat (correct)

Energy

Work

Power

What is the definition of energy according to the course notes?

Power of heat

Transformation of heat into power

Ability to cause changes (correct)

Amount of work done

What is the importance of thermodynamics in our daily lives?

It is encountered in many engineering systems and aspects of life (correct)

It is only applicable to living organisms

It is only applicable to engineering systems

It is only applicable to non-living things

What are the two ways to look at 'things' in thermodynamics?

Macroscopic and Microscopic Signup and view all the answers

What is the approach of classical thermodynamics?

Treats matter as a 'continuum' Signup and view all the answers

What is the term for the science that deals with energy?

Thermodynamics Signup and view all the answers

What is the term for a system that is not allowed to exchange energy with its surroundings?

Isolated System Signup and view all the answers

What is the unit of specific thermodynamic property, such as specific internal energy or specific enthalpy?

J/kg Signup and view all the answers

What is the term for a region of space or a quantity of matter that is being studied?

System Signup and view all the answers

What is the term for the characteristic of a system, such as its temperature or pressure?

Property Signup and view all the answers

What is the term for the boundary between a system and its surroundings?

Boundary Signup and view all the answers

What is the term for a system that allows for the exchange of mass and energy with its surroundings?

Open System Signup and view all the answers

What is the term used to describe the difference between absolute pressure and atmospheric pressure when the pressure is higher than atmospheric pressure?

Gage pressure Signup and view all the answers

What is the relationship between pressure and depth in a fluid at rest?

Pressure increases with increasing depth Signup and view all the answers

What is the formula to calculate the pressure as a function of depth?

P = ρgz Signup and view all the answers

What is the correct formula to find the absolute pressure P1 at a given point?

P1 = Patm + ρ1gz1 + ρ2gz2 + ρ3gz3 Signup and view all the answers

What is the term used to describe the difference between atmospheric pressure and absolute pressure when the pressure is lower than atmospheric pressure?

Vacuum pressure Signup and view all the answers

What is the correct unit of pressure?

Pa Signup and view all the answers