WorksheetsBasic Thermodynamics P1-
Total questions: 58
Worksheet time: 31mins
The total entropy of pure substances approaches zero as the absolute thermodynamic temperature approaches zero
Third law of thermodynamics
Zeroth Law
First Law of Thermodynamics
Second law of thermodynamics
Is the series of two or more processes in which the final condition after the execution of the processes in the same as the initial conditions
Process
Cycle
System
Surrounding
Energy cannot naturally move from realm of lower potential to realm of higher potential
Third law of Thermodynamics
Zeroth law
First law of thermodynamics
Second law of thermodynamics
Energy can only be transformed from one form to another
Third law of thermodynamics
Zeroth law
First law of thermodynamics
Second law of thermodynamics
Is the system given to the collection of matter under consideration enclosed within a boundary
Open system
System
Surrounding
Isolated system
Is the region outside the boundary or the space and matter external to a system
Open system
System
Surrounding
Isolated system
When a certain mass of fluid in a particular state passes through a series of processes and return to its initial state it undergoes a
State
Cycle
Process
System
Is a system in which neither mass nor energy cross the boundaries and it is not influenced by the surroundings
Open system
System
Surrounding
Isolated system
The ______of a substance describes how the substance exist and how it is identified by a certain observable thermodynamic properties
State
Cycle
Process
System
Engine must operate between a hot and cold reservoir and energy has different levels of potential to do work
First law of thermodynamics
Second law of thermodynamics
Third law of thermodynamics
Zeroth law of thermodynamics
_______are thermodynamic properties that are independent of the mass of the substance in the system example are these are temperature pressure density and voltage
Intensive properties
Thermodynamic properties
Extensive properties
Specific properties
_______are properties that are considered for a unit mass and are intensive by definition. Examples of these are specific volume, specific internal energy or specific enthalpy
Intensive properties
Thermodynamic properties
Extensive properties
Specific properties
______are all fixed when the thermodynamic state is fixed
Intensive properties
Thermodynamic properties
Extensive properties
Specific properties
______our descriptive characteristics of the system used to compute the changes of energy that occur in a system or working. These are characteristic or attributes of matter which can be evaluated quantitatively.
Thermodynamic properties
Intensive properties
Thermodynamic processes
Extensive properties
Example of this properties, total internal energy, our total enthalpy
Thermodynamic properties
Intensive properties
Thermodynamic processes
Extensive properties
________ is the amount of moisture water vapor in the air.
Humidity
Pressure
Density
Volume
Is a measure of the relative density of a substance as compared to the density of water at a standard temperature.
Specific Gravity
Specific Volume
Specific Density
Specific Properties
_______is an indication or degree of hotness and coldness and therefore a measure of intensity of heat.
Density
Humidity
Temperature
Heat
________ Is the temperature measured from absolute zero.
Absolute Pressure
Absolute Temperature
Absolute Density
Mass and Weight
_________is the temperature at which the molecules stop moving.
Absolute Zero
Absolute Temperature
Absolute Density
Humidity
_________is the difference between two temperature readings from the same scale and the change in temperature through which body is heated.
Absolute Temperature
Pressure
Temperature
Temperature Interval
_______is the true pressure measured above a perfect vacuum
Absolute Pressure
Absolute Temperature
Absolute Zero
Temperature Interval
_________is a pressure of the force exerted per unit area on the boundaries of a substance (or system).
Temperature
Mass
Pressure
Density
_________is the pressure measured from the level of atmospheric pressure by most pressure recording instrument like pressure gauge and open ended manometer.
Gage Pressure
Atmospheric Pressure
Pressure Scales
Vacuum Pressure
_________is the pressure obtained from barometric reading.
Atmospheric Pressure
Absolute Pressure
Absolute Temperature
Temperature Interval
It is defined as the capacity of a system to perform work or produce heat.
Energy
Work
Heat
Internal energy
This is the amount of heat added or removed to change phase between solid and liquid
Latent heat of fusion
Sensible heat
Latent heat of vaporazation
Latent heat
A_______value indicates that work is done on the system by its surroundings.
Negative
Positive
Zero
Higher
_______is the sum of the energies of all the molecules of a body or substance
Work
Energy
Internal energy
Heat
The heat added to or remove from a substance to produce a change in its temperature is called_______?
Latent heat of fusion
Sensible heat
Latent heat of vaporization
Latent heat
_______ is a form of energy, but it is energy in transit.
Energy
Specific heat
Work
Heat
The unit for Cv ( specific heat at constant volume) is?
kJ/kg
kJ/kg*K
kg/kJ*K
kJ-K
A______value for work indicates that work is done by the system on its surroundings.
Zero
Negative
Positive
Higher
It is the amount of heat added to or removed from a substance to produce a change in phase
Sensible heat
Latent heat of fusion
Latent heat
Latent heat of vaporization
The ratio of the heat (Q) added to a removed from a substance to the change in temperature (Delta T) produced is called the ______ of the substance.
Sensible heat
Latent heat
Heat capacity
Internal energy
_____ is defined for mechanical systems as the action of a force on an object through a distance
Energy
Work
Heat
Specific heat
Work is done _____the system when it is used to turn a turbine and thereby generate electricity in a turbine-generator.
On
To
By
From
Work is done ______ the system when a pump is used to move the working fluid from one location to another.
By
To
On
From
The _______in foot-bound-force is numerically equal to the product of the mass (m) in pound-mass times the height (z) in feet above some reference level.
Specific heat
Kinetic energy
Internal energy
Potential energy
_____ Is defined as the energy of position
Potential Energy
Kinetic Energy
Heat Energy
Energy
_______is the energy of motion
Potential Energy
Heat Energy
Kinetic Energy
Energy
_________is work done by or to a non flow closed system during a reversible process without the flowing of working substance or through a moving boundary.
Non-flow work
Flow work
Work
Force
________or flow energy is work done in pushing a fluid across boundary, usually into or out of the system.
This energy of work is applicable only for an open system in which flowing of a working substance is considered.
Non-flow work
Flow work
Work
Force
Energy stored in a bonds of atoms and molecules. Batteries, biomass, petroleum, natural gas and coal are example of?
Chemical energy
Mechanical energy
Nuclear energy
Gravitational energy
Energy stored in objects by tension. Compressed springs and stretch rubber bands are example of stored _______
Chemical energy
Mechanical energy
Nuclear energy
Gravitational energy
Energy stored in the nucleus of an atom.
Chemical energy
Mechanical energy
Nuclear energy
Gravitational energy
How many joules in one calorie
4.185 Joules
4.284 Joules
4.184 Joules
4.285 Joules
Energy stored in an object height. The higher and heavier the object in the more ________ stored.
Hydropower is an example, where gravity force water down through a hydroelectric turbine to produce electricity.
Chemical energy
Mechanical energy
Nuclear energy
Gravitational energy
Electromagnetic energy that travels in transverse wave.
It includes visible light, x-ray, gamma rays and radio waves.
Electrical energy
Motion energy
Radiant energy
Thermal energy
Is energy stored in the movement of object. The faster they move the more energy is stored. Wind is an example of _______.
Radiant energy
Thermal energy
Motion energy
Sound
Is the movement of energy through substance in longitudinal (compression/refraction) waves.
Thermal energy
Sound
Electrical energy
Motion energy
Energy that comes from the movement of atoms and molecules in a substance
Thermal energy
Radiant energy
Sound
Electrical energy
Is delivered by tiny charged particles called electrons, typically moving through a wire. Lightning is an example of _________ in nature.
Radiant energy
Motion energy
Thermal energy
Electrical energy
Who is regarded as the father of thermodynamics?
(a)
Absolute temperature scale; English
(a)
Absolute temperature scale; SI
(a)
The latent heat of vaporization is sometimes called the _______.
Latent heat of condensation
Sensible heat
Latent heat of fusion
Heat capacity
It is impossible to construct a heat pump that operates without an input of work
Second law of thermodynamics
Third law of thermodynamics
Clausius statement
Kelvin-Plank statement
