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Thermodynamics > Chapter 1-8 > Flashcards

Chapter 1-8 Flashcards

1
Q

The product of pressure and volume has energy units

A

True

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2
Q

when x=0 what does it mean

A

saturated liquid

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3
Q

when x=1

A

saturated vapor

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4
Q

when Pgiven>Psat

A

compressed liquid

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5
Q

when Tgiven>Tsat

A

superheated vapor

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6
Q

Passing from a solid phase directly into vapor phases is called

A

sublimation

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7
Q

A substance exist as ___ in the region to the right of saturated vapor line and at temperature above critical point temperature

A

Superheated vapor

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8
Q

___ is a mixture of saturated vapor and saturated liquid

A

wet vapor

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9
Q

Is the science that is devoted to understanding energy in all its forms

A

Thermodynamics

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10
Q 
therme = \_\_\_
dynamis = \_\_\_
A

heat, strength

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11
Q

Also known as macroscopic approach

A

Classical Thermodynamics

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12
Q

Also known as microscopic approach, statistical means

A

Statistical Thermodynamics

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13
Q

Whatever we want to study. A collection of matter under consideration enclosed within a boundary

A

system

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14
Q

The region outside the boundary or the space and matter external to the system

A

surrounding

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15
Q

Also known as fixed mass, a ___ is defined when system when there can there can be no transfer of mass across its boundary .

A

Closed system

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16
Q

The region is also called a control volume. Mass crosses the boundary a control volume .

A

Open system

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17
Q

A special type of closed system that does not interact in any way with its surroundings. No mass or energy flow.

A

Isolated system

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18
Q

The condition of a of a system as described by its properties.

A

State

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19
Q

Macroscopic characteristic of a system such as mass, volume, energy, pressure, temperature.

A

Property

20
Q

A property is called ___ if its value for an overall system is the sum of its values for the parts into which the system is divided.

A

Extensive property

21
Q

are those that are independent of the mass of a system

A

intensive property

22
Q

is defined as is defined as mass per unit volume

A

density

23
Q

Is the reciprocal of density

A

Specific volume

24
Q

relative density is defined as the ratio of the density of a substance to the density of some standard substance at a specified temperature

A

Specific gravity

25
Q

is the weight of a unit volume of a substance

A

specific weight

26
Q

is the temperature measured from absolute zero

A

Absolute temperature

27
Q

is the temperature at which the molecules stop moving

A

Absolute zero

28
Q

is defined as a normal force exerted by fluid per unit area

A

Pressure

29
Q

is the pressure measured above a perfect vacuum

A

Absolute pressure

30
Q

is the pressure measured from the level of atmospheric pressure by most pressure recording instrument like pressure gage and open -ended manometer

A

Gage pressure

31
Q

is the pressure obtained barometer reading

A

Atmospheric pressure

32
Q

is the difference between is the atmospheric pressure and absolute pressure

A

Vacuum pressure

33
Q

is the distance between two points in space. is the distance

A

Length

34
Q

is the period between two events or during which something happens

A

Time

35
Q

Is the quantity of matter that a substance composed of. It is the quantity of matter that a substance composed of. It is invariant with location.

A

Mass

36
Q

is sometimes viewed as fundamental (it in the English engineering system) and sometimes derived (as in the SI system)

A

Force

37
Q

refers to any change that a system undergoes undergoes from one equilibrium state

A

Process

38
Q

is the the series of states states through which a system passes

A

Path

39
Q

A system is said to have undergone a ___ if it returns to its initial state at the end of process .

A

Cycle

40
Q

Constant temperature

A

Isothermal process

41
Q

Constant pressure

A

Isobaric process

42
Q

Also known as isometric process, no work done

A

Isochoric process

43
Q

can be defined as the form of energy that can be converted mechanical work completely and directly by an ideal mechanical mechanical device such as an ideal turbine turbine.

A

Mechanical energy

44
Q

is defined as the form of energy that is transferred between two systems (or a between two systems and its Surroundings) by virtue of a temperature difference.

A

Heat

45
Q

is the energy transfer associated with a associated with a force acting through a distance

A

Work

Thermodynamics (1 decks)

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