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WorksheetsFinal Exam in EE 313 - Part 1B - Elements
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
The properties for a unit mass and are intensive by definition such as specific volume.
a)
Intensive properties
b)
Extensive properties
c)
Specific properties
d)
Thermodynamic properties
2.
The condition as identified through the properties of the substance, generally defined by particular values of any two independent properties.
a)
State
b)
Point
c)
Process
d)
Flow
3.
The only base unit with a prefix kilo is _____.
a)
Kilogram
b)
Kilometer
c)
Kilojoule
d)
Kilopascal
4.
The force of gravity on the body.
a)
Weight
b)
Specific gravity
c)
Attraction
d)
Mass
5.
The reciprocal of density is _____.
a)
Specific volume
b)
Specific weight
c)
Specific gravity
d)
Specific heat
6.
Avogadro’s number, a fundamental constant of nature is the number of molecules in gram mole This constant is _____.
a)
6.05222x10²³
b)
6.02252x10²³
c)
6.20522x10²³
d)
6.50222x10²³
7.
The absolute zero on the Fahrenheit scale is at _____.
a)
-459.7°F
b)
459.7°F
c)
-273.25°C
d)
273.15°C
8.
Absolute temperature on the Fahrenheit scale are called:
a)
Degrees Rankine
b)
Degrees Kelvin
c)
Absolute Fahrenheit
d)
Absolute Celsius
9.
The absolute zero on the celcius scale is at _____.
a)
-459.7°F
b)
459.7°F
c)
-273.25°C
d)
273.15°C
10.
What is the absolute temperature in celsius scale?
a)
Degrees Rankine
b)
Degrees Kelvin
c)
Absolute Fahrenheit
d)
Absolute Celcius
11.
The Fahrenheit scale was introduced by Gabriel Fahrenheit of Amsterdam, Holland in what year?
a)
1592
b)
1742
c)
1730
d)
1720
12.
The centigrade scale was introduced by Andres Celcius in what year?
a)
1542
b)
1740
c)
1730
d)
1720
13.
The National Bureau of Standard uses, among others, the liquid vapor equilibrium of hydrogen at _____.
a)
-196°C
b)
196°C
c)
253°C
d)
253°C
14.
The solid liquid equilibrium of mercury is at what temperature?
a)
38.87°C
b)
-38.87°C
c)
37.88°C
d)
-37.88°C
15.
The device that measures temperature by the electromotive force.
a)
Thermometer
b)
Thermocouple
c)
Electro-thermometer
d)
Thermoseebeck
16.
The device that measure temperature by the electromotive force called thermocouple was discovered by:
a)
Galileo
b)
Fahrenheit
c)
Celsius
d)
Seebeck
17.
When two bodies isolated from other environment are in thermal equilibrium with a third body, two are in thermal equilibrium with each other.
a)
Zeroth law of thermodynamics
b)
First law of thermodynamics
c)
Second law of thermodynamics
d)
Third law of thermodynamics
18.
The total entropy of pure substance approaches zero as the absolute thermodynamics temperature approaches zero.
a)
Zeroth law of thermodynamics
b)
First law of thermodynamics
c)
Second law of thermodynamics
d)
Third law of thermodynamics
19.
If any one or more properties of as system change the system is said to have undergone a _____.
a)
Cycle
b)
Process
c)
Flow
d)
Control
20.
When a certain mass of fluid in a particular state passes through a series of processes and returns to its initial state it undergoes a:
a)
Revolution
b)
Rotation
c)
Process
d)
Cycle
21.
The term given to the collection of matter under consideration enclosed within a boundary.
a)
System
b)
Matter
c)
Environment
d)
Atoms
22.
The region outside the boundary or the space and matter external to a system:
a)
Ex - system
b)
Surrounding
c)
Matter
d)
Extension
23.
The true pressure measured above a perfect vacuum.
a)
Absolute pressure
b)
Gage pressure
c)
Atmospheric pressure
d)
Vacuum pressure
24.
The pressure measured from the level of atmospheric pressure by most pressure recording instrument like pressure gage and open ended manometer.
a)
Gage pressure
b)
Atmospheric pressure
c)
Barometer pressure
d)
Absolute pressure
25.
The pressure obtained from barometer reading.
a)
Absolute pressure
b)
Gage pressure
c)
Atmospheric pressure
d)
Vacuum pressure
26.
It is a form of energy associated with the kinetic random motion of large number of molecules.
a)
Internal energy
b)
Kinetic energy
c)
Heat
d)
Enthalpy
27.
The heat needed to change the temperature of the body without changing its phase.
a)
Latent heat
b)
Sensible heat
c)
Specific heat
d)
Heat transfer
28.
The heat needed by the body to change its phase without changing its temperature.
a)
Latent heat
b)
Sensible heat
c)
Specific heat
d)
Heat transfer
29.
The measure of the randomness of the molecules of a substance.
a)
Enthalpy
b)
Internal energy
c)
Entropy
d)
Heat
30.
The heat energy transferred to a substance at a constant pressure process is _____
a)
Enthalpy
b)
Heat
c)
Internal energy
d)
Entropy
31.
It is the energy stored within the body.
a)
Enthalpy
b)
Heat
c)
Internal energy
d)
Entropy
32.
A theoretically ideal gas which strictly follows Boyle’s law and Charle’s law of gases.
a)
Universal gas
b)
Perfect gas
c)
Combined gas
d)
Imperfect gas
33.
In a confined gas, if the absolute temperature is held constant, the volume is inversely proportional to the absolute pressure.
a)
Boyle’s law
b)
Charles law
c)
Dalton’s law
d)
Avogadro’s law
34.
In a confined gas if the absolute pressure is held constant the volume is directly proportional to the absolute temperature.
a)
Boyle’s law
b)
Charles law
c)
Dalton’s law
d)
Avogadro’s law
35.
The pressure exerted in a vessel by a mixture of gases is equal to the sum of the pressure that each separate gas would exert if it alone occupied the whole volume of the vessel.
a)
Boyle’s law
b)
Charles law
c)
Dalton’s law
d)
Avogadro’s law
36.
At equal volume at the same temperature and pressure conditions, the gases contain the same number of molecules.
a)
Boyle’s law
b)
Charles law
c)
Dalton’s law
d)
Avogadro’s law
37.
A process in which the system departs from equilibrium state only infinitesimally at every instant.
a)
Reversible process
b)
Irreversible process
c)
Cyclic process
d)
Quasi-static process
38.
A process which gives the same state/conditions after the system undergoes a series of processes.
a)
Reversible process
b)
Irreversible process
c)
Cyclic process
d)
Quasi-static process
39.
A thermodynamic system that generally serves as a heat source or heat sink for another system.
a)
Combustion chamber
b)
Heat reservoir
c)
Heat engine
d)
Stirling engine
40.
A thermodynamic system that operates continuously with only energy (heat and work) crossing its boundaries; its boundaries are impervious to the flow of mass.
a)
Heat engine
b)
Steady flow work
c)
Stirling engine
d)
Ericson engine
41.
One of the consequences of Einstein’s theory of relativity is that mass may be converted into energy and energy into mass the relation being given by the famous equation. E = mc². What is the value of the speed of light c?
a)
2.7797 x 10¹⁰ cm/s
b)
2.9979 x 10¹⁰ cm/s
c)
1.7797 x 10¹⁰ cm/s
d)
2.9979 x 10¹⁰ cm/s
42.
In the polytrophic process we have pvⁿ = constant, if the value of n is infinitely large, the process is called.
a)
Constant volume process
b)
Constant pressure process
c)
Constant temperature process
d)
Adiabatic process
43.
The thermodynamic cycle used in a thermal power plants is:
a)
Ericson
b)
Brayton
c)
Joule
d)
Rankine
44.
A heat exchanger process where in the product of pressure and volume remains constant called:
a)
Heat exchanger process
b)
Isentropic process
c)
Throttling process
d)
Hyperbolic process
45.
Which of the following provides the basis for measuring thermodynamic property of temperature?
a)
Zeroth law of thermodynamics
b)
First law of thermodynamics
c)
Second law of thermodynamics
d)
Third law of thermodynamics
46.
Isentropic flow is _____.
a)
Perfect gas flow
b)
Irreversible adiabatic flow
c)
Ideal fluid flow
d)
Reversible adiabatic flow
47.
Exhaust gases from an engine possess _____.
a)
Solar energy
b)
Kinetic energy
c)
Chemical energy
d)
Stored energy
48.
At critical point the latent enthalpy of vaporization is _____.
a)
Dependent on temperature
b)
Zero
c)
Minimum
d)
Maximum
49.
If the temperature held constant and the pressure is increased beyond the saturation pressure, then the working medium must be:
a)
Saturated vapor
b)
Compressed liquid
c)
Saturated liquid
d)
Subcooled liquid
50.
Critical properties refer to
a)
extremely important properties, such as temperature and pressure
b)
heat required for phase change and important for energy production
c)
property values where liquid and gas phase are indistinguishable
d)
properties having to do with equilibrium conditions, such as the Gibbs and Helmholtz functions.
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