2A2 Thermodynamics and Metallurgy
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Course sections
Section 1
Heat
1
Heat of 2 element system (Easy)
2
Heat of 2 element system with state change (Medium)
3
2 Part Heat of 4 individual elements with heat rate (Medium)
4
Heat of 3 element system (Hard)
5
Heat of 3 element system (Hard)
6
Heat of 3 element system with water equivalent (Hard)
7
Heat of 3 element system, all elements converted to dryness fraction of steam (Hard)
8
Heat of 3 element system, all elements converted to water (Hard)
9
Heat Section Quiz
1 questions
Section 2
HEAT TRANSFER
1
Heat Transfer Equation Video (Intro)
2
Heat transfer through 1 wall (Easy)
3
Heat transfer through 2 walls (Easy)
4
Heat transfer through 3 walls (Easy)
5
Heat transfer through cylindrical wall (Easy)
6
Heat transfer through 3 walls no time with interface temps (Medium)
7
Heat transfer through 3 walls with no time or area with interface temps (Medium)
8
Heat transfer through 3 walls with added hypothetical air (Hard)
9
Heat Transfer Quiz
1 questions
Section 3
THERMAL EXPANSION
1
Linear Expansion of Metals (Medium)
2
Difference in Expansion with cubical expansion (Medium)
3
Volumetric Expansion of a bisected Cylinder (Medium)
4
Three Step Linear Expansion of Metals (Hard)
5
Thermal Expansion Quiz
1 questions
Section 4
PERFECT GASES
1
PV=mRT 3 steps 2 unkowns – Easy
2
PV=mrRT – Easy
3
PV/T=PV/T 2 part – Easy
4
P/T=P/T – Easy
5
PV=mrT with 2 unknowns combine equations – Medium
6
PV=mrT with 2 unknowns combine equations – Medium
7
Perfect Gases Quiz
1 questions
Section 5
EXPANSION AND COMPRESSION OF GASES
1
Simple expansion of gas, find law of compression – Easy
2
Simple Compression of gas – Easy
3
Work Done Adiabatically and Isothermally – Easy
4
Work done adiabatically and polytropically – Easy
5
Work done – Easy
6
Final Volume and delta U – Easy
7
Expansion of gas and then expansion at constant pressure – Medium
8
RPM of a single acting air compressor – Medium
9
Two Air Receivers at different values are combined – Medium
10
Percentage of Stroke for air compressor with given ratio – Medium
11
Just Expansion of a Gas – Medium
12
Compression of gas and heat added – Medium
13
Find n, find change in enthalpy with given change in U – Medium
14
Work Done and delta U – Medium
15
Constant Pressure Heat Added, Calculate Mass, Specific Volume, Work Done, and Heat added – Medium
16
Constant Pressure Heat Added, Calculate Mass, R, Work Done, Heat Added and delta U – Medium
17
Compression of Gas, find delta U, Heat Added – Medium
18
Delta U, WD and Delta Enthalpy – Medium
19
Find percentage of stroke when delivery pressure attained – Medium
20
Gas Engine Compression Points Calculation – Hard
21
Cooling and Expansion of a Gas – Hard
22
Calculation of Clearance Volume – Hard
23
Find the percentage of stroke for which suction valve remains open – Hard
24
Compression of Air Adiabatically, 4 points, Volume Ratio, Using Temperatures, Heat Rejected – Very Hard
25
Expansion and Compression of Gases Quiz
Section 6
STEAM
1
Find the mean specific heat of superheated steam with interpolation – Medium
2
Calculate Total Volume of dry steam. Calculate true level in tank given gauge glass – Medium
3
Find the change in internal energy of throttled steam with no superheat – Medium
4
Calculate the dryness fraction of steam entering a condenser given heat lost=heat gained – Medium
5
Work Done and Final Volume of Superheated Steam Expanded in an engine – Hard
6
Mass Flow of superheated steam with added wet steam results in superheated steam – Hard
7
Find the power supplied by superheated steam by calculating Hg of SHS with mean specific heat – Hard
8
Find the amount of water injected to remove all superheat from steam – Hard
9
Amount of Power Supplied to turbine and thermal efficiency from SH steam to wet, low pressure – Hard
10
Amount of Power Supplied to turbine and thermal efficiency from SH steam to wet, low pressure – Hard
11
Superheated steam expanded. Find the actual specific volume and final volume – Hard
12
Calculate final dryness fraction and volume of throttled steam – Hard
13
Calculate dryness of exhaust steam given hotwell temperature in condenser – Hard
14
Calculate dryness, specific volume, and diameter of upstream/downstream piping with throttle valve – Hard
15
Calculate dryness, specific volume, and diameter of upstream/downstream piping with throttle valve – Hard
16
Mass Flow of superheated steam with added water results in saturated exhaust steam find mass – Hard
17
Wet steam is added to throttled superheated steam find mass of superheated steam – Hard
18
Water and steam is mixed in a feedwater heater find the masses of both – Hard
19
Rigid pressure vessel find delta U – Hard
20
Steam Quiz
1 questions
Section 7
CALORIMETERS AND THERMAL EFFICIENCIES
1
Find Boiler Efficiency – Easy
2
Find maximum heat transferred with given equation and k value – Easy
3
Find final volume using e^n – Medium
4
Find Number of tonnes fuel burned per day given boiler efficiency – Medium
5
Net Work Transfer or Net Heat Transfer of Air in Isentropic Expansion – Hard
6
Find boiler efficiency of wet steam produced – Hard
7
Calorimetry and Thermal Efficiency Quiz
Section 8
CALORIMETRY THERMAL EFFICIENCIES AND TOTAL POWER
1
Calorimeter 1kg Coal – Easy
2
Exhaust Gas Heat Picked up by Cooling Water – Medium
3
Heat from Fuel Oil into 3 constituents through an engine – Hard
4
Firetube boiler, temp of gases leaving, efficiency – Medium
5
Flow, velocity, and total power – Medium
6
Flow, velocity, and total power – Hard
7
Flow, velocity and PV=mRT – Hard
Section 9
WELDING SYMBOLS AND CROSS-SECTIONS
1
Welding Symbols and Cross-Sections 1 – Medium
2
Welding Symbols and Cross-Sections 2– Medium
HEAT TRANSFER
Heat Transfer Equation Video (Intro)
Heat Transfer Equation Video
https://nailthetest.com/wp-content/uploads/2020/10/Heat-Transfer-Equation-Intro.mp4
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