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WorksheetsThermodynamic fundamentals
Total questions: 10
Worksheet time: 5mins
The first law of thermodynamics is a restatement of the
Zeroth law of thermodynamics
law of heat addition
principle of entropy
conservation of energy
Which best describes ENTROPY?
Useful heat energy needed to drive an engine
Heat that can be stored to be used at a later date
Degree of disorder of a state
A state of order in a physical system
Which statement is true about the ENTROPY?
Entropy refers to disorder, the unusable portion that escapes from a system
Entropy refers to the balance of temperature among two or more systems
Entropy refers to the average kinetic energy of the molecules
Entropy refers to the inability to destroy or create energy
True or False? The First Law of Thermodynamics states that the total energy output is equal to the total amount of energy supplied.
True
False
A system is in thermodynamic equilibrium
if temperature and pressure at all points are same
if temperature and pressure at all points are not same
if temperature at all points are same
if pressure at all points are same
Which of the following is an intensive property of a thermodynamic system ?
Volume
Temperature
Mass
Energy
In an open thermodynamic system,
heat can be transferred
work can be done
mass can be transferred
all of the above
none of the above
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Kelvin Planck’s law
The value of one bar (in SI units) is equal to
100 N/m2
1000 N/m2
1 × 104 N/m2
1 × 105 N/m2
1 × 106 N/m2
As a system becomes more disordered, entropy
remains the same
increases
decreases
cannot be determined
