Problem-1: The following are the Thermodynamics conceptual questions. You need t

Question

Problem-1: The following are the Thermodynamics conceptual questions. You need to circle the correct answer(s), and/or fill in the blank(s) with words as applicable (40 Points. Total) A Thermodynamic system is a a) Region of interest b) Two-dimensional space c) Three dimensional space d) Combination of all of the above a)-c) choices 1. 2. An open system is also known as the control because Only the energy can cross the boundary a) b) Only the mass can cross the boundary c) Both the mass and energy can cross the boundary d) The system volume remains the same during a process 3. Some examples for an open system are: Nozzles and diffusers a) b) Automobile engines c) Mixing chambers such as household faucets d) None of the above a)- c) choices 4. Any physical quantity used to describe a system is called a property. An extensive property a) Is dependent on the mass of the system b) Is a function of the system temperature c) Must be multiplied by the pressure d) All of the above a) -c) choices A simple compressible system is free from the effect(s) of a) The gravitational field b) The magnetic field c) The surface tension d) None of the above a)- c) choices 5. "A cup of hot coffee left on a table eventually cools, but a cup of cool coffee in the same room never gets hot by itself" is a good example for a) The quality of energy transfer from the system to the surroundings b) The irreversibility of certain processes c) The application of the Second Law of Thermodynamics d) All of the above a) c) choices 6·

Explanation / Answer

1.- (a)
2.- Volume System , (c)
3.- (a)
4.- (a)
5.- (a) , (b) , (c)
6.- (a)
7.- (a)
8.- (d)
9.- (c)
10.- (d)

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