18 Questions
What does the Greek word 'Therme' mean?
Heat
What is the definition of energy according to the course notes?
Ability to cause changes
What is the importance of thermodynamics in our daily lives?
It is encountered in many engineering systems and aspects of life
What are the two ways to look at 'things' in thermodynamics?
Macroscopic and Microscopic
What is the approach of classical thermodynamics?
Treats matter as a 'continuum'
What is the term for the science that deals with energy?
Thermodynamics
What is the term for a system that is not allowed to exchange energy with its surroundings?
Isolated System
What is the unit of specific thermodynamic property, such as specific internal energy or specific enthalpy?
J/kg
What is the term for a region of space or a quantity of matter that is being studied?
System
What is the term for the characteristic of a system, such as its temperature or pressure?
Property
What is the term for the boundary between a system and its surroundings?
Boundary
What is the term for a system that allows for the exchange of mass and energy with its surroundings?
Open System
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
What is the relationship between pressure and depth in a fluid at rest?
Pressure increases with increasing depth
What is the formula to calculate the pressure as a function of depth?
P = ρgz
What is the correct formula to find the absolute pressure P1 at a given point?
P1 = Patm + ρ1gz1 + ρ2gz2 + ρ3gz3
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
What is the correct unit of pressure?
Pa
Learn about the relationship between pressure and depth in a fluid at rest, including gage pressure and vacuum pressure. Understand how pressure increases with depth and remains constant in the horizontal direction.
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