,Solution manual for The Complete HVACR Lab
Manual, 2nd Edition Eugene Silberstein
Notes
1- The file is chapter after chapter.
2- We have shown you few pages sample.
3- The file contains all Appendix and Excel
sheet if it exists.
4- We have all what you need, we make
update at every time. There are many new
editions waiting you.
5- If you think you purchased the wrong file
You can contact us at every time, we can
replace it with true one.
Our email:
, Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
Solution and Answer Guide
Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core
Concepts (HCC)
Table of Contents
Review Test Answers ...................................................................................................................................................... 1
Exercise HCC-1 Completed Temperature Conversion Chart .......................................................................... 6
Exercise HCC-1 Answers to Questions .................................................................................................................... 6
Exercise HCC-2 Answers to Questions .................................................................................................................... 7
Exercise HCC-3 Answers to Questions .................................................................................................................... 8
Exercise HCC-4 Completed Chart ............................................................................................................................. 9
Exercise HCC-4 Answers to Questions .................................................................................................................... 9
Exercise HCC-5 Completed Chart .......................................................................................................................... 10
Exercise HCC-5 Answers to Questions ................................................................................................................. 10
Exercise HCC-6 Completed Chart .......................................................................................................................... 11
Exercise HCC-6 Answers to Questions ................................................................................................................. 11
Exercise HCC-7 Answers to Questions ................................................................................................................. 12
Review Test Answers
1. The standard atmospheric conditions for water to boil at 212°F are:
a. 15.969 psi at a temperature of 70°F.
b. 16.696 psi at a temperature of 68°F.
c. 14.696 psi at a temperature of 70°F.
d. 15.696 psi at a temperature of 68°F.
Answer: c
2. At standard conditions, water will boil at _____ on the Celsius scale.
a. 100°C
b. 212°C
c. 32°C
d. 0°C
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 1
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
3. If water weighs 8.33 pounds per gallon, it will take _____ Btu to raise the temperature of 4
gallons of water from 70°F to 72°F.
a. 66.7
b. 10
c. 14.7
d. 106
Answer: a
4. Heat energy flows from a warmer substance to a cooler substance.
a. True
b. False
Answer: a
5. When heat transfers by conduction, it:
a. moves through space and air and heats only solid objects.
b. is transported from one place to another by air or liquid.
c. moves from molecule to molecule within the substance.
d. All of the above.
Answer: c
6. When heat transfers by convection, it:
a. moves through space and air and heats only solid objects.
b. is transported from one place to another by air or liquid.
c. moves from molecule to molecule within the substance.
d. All of the above.
Answer: b
7. When heat transfers by radiation, it:
a. moves through space and air and heats only solid objects.
b. is transported from one place to another by air or liquid.
c. moves from molecule to molecule within the substance.
d. All of the above.
Answer: a
8. Sensible heat energy levels:
a. can be measured with a thermometer.
b. are known as hidden heat levels.
c. are always in the comfort range.
d. result in a change of state of the substance.
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 2
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
9. Latent heat energy levels:
a. can be measured with a thermometer.
b. are determined with a barometer.
c. are always very warm.
d. result in a change of state of the substance.
Answer: d
10. The atmosphere will support a column of mercury ______ in high at sea level.
a. 32.00
b. 28.69
c. 14.696
d. 29.92
Answer: d
11. A Bourdon tube can be found in a:
a. mercury barometer.
b. aneroid barometer.
c. pressure gauge.
d. mercury thermometer.
Answer: c
12. Psig is equal to:
a. psia + 14.696.
b. psia - 14.696.
c. psia + 16.696.
d. psia - 16.696.
Answer: b
13. 98°C is equal to:
a. 214.6°F.
b. 196.0°F.
c. 119.8°F.
d. 208.4°F.
Answer: d
14. 70°F is equal to:
a. 21.1°C.
b. 22.6°C.
c. 98.6°C.
d. 20.3°C.
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 3
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
15. The density of a substance:
a. is used to measure its energy.
b. describes its mass-to-volume relationship.
c. is used to determine the transferability of heat.
d. determines its ability to attract unlike magnetic charges.
Answer: b
16. How many ft-lb of work is done when a 500 lb condensing unit is lifted to the top of a 60
ft building?
a. 560 ft-lb
b. 440 ft-lb
c. 8.33 ft-lb
d. 30,000 ft-lb
Answer: d
17. Moving 66-lb object a distance of 1,000 feet in one minute is the equivalent of
a. 0.5 hp
b. 1.0 hp
c. 1.5 hp
d. 2.0 hp
Answer: d
18. A compound gauge can be used to measure pressures:
a. above and below atmospheric pressure.
b. that are only expressed in psia.
c. that are only below 0 psig.
d. that are only above 0 psig.
Answer: a
19. When a substance is heated, the molecules:
a. move slower.
b. move faster.
c. move at the same speed.
d. stop moving.
Answer: b
20. The latent heat of fusion for a water-to-ice transformation is:
a. 1 Btu/lb.
b. 144 Btu/lb.
c. 288 Btu/lb.
d. 970 Btu/lb.
Answer: b
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 4
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
21. If the specific gravity of copper is 8.91, its density is:
a. 55.6 lb/ft3.
b. 238.8 lb/ft3.
c. 23.88 lb/ft3.
d. 556 lb/ft3.
Answer: d
22. Specific volume is used to:
a. compare the densities of various liquids.
b. compare the densities of various solids.
c. indicate the volume that a specific weight of gas will occupy.
d. describe the energy characteristics of a substance.
Answer: c
23. Gas molecules push outward in:
a. a downward direction.
b. an upward direction.
c. a sideways direction.
d. All of the above.
Answer: d
24. An example of a fossil fuel is:
a. natural gas.
b. hydrogen.
c. wood.
d. liquid oxygen.
Answer: a
25. Work is equal to:
a. force × power.
b. force × energy.
c. force × distance.
d. distance × energy.
Answer: c
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 5
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
Exercise HCC-1 Completed Temperature Conversion Chart
(Bolded values in parentheses represent the items that were to be filled in by the student.)
Fahrenheit Celsius Rankine Kelvin
(−460) (−273) 0 (0)
32 (0) (492) (273)
(212) 100 (672) (373)
(140) (60) 600 (333)
(−460) (−273) (0) 0
200 (93) (660) (366)
(−360) (−218) 100 (55)
(122) 50 (582) (323)
(81) (27) (541) 300
(32) 0 (492) (273)
150 (66) (610) (339)
(−410) (−246) 50 (27)
(−40) −40 (420) (233)
−40 (−40) (420) (233)
212 (100) (672) (373)
(212) (100) (672) 373
(−460) −273 (0) (0)
(212) (100) 672 (373)
5 (−15) (465) (258)
(441) (227) (901) 500
Exercise HCC-1 Answers to Questions
1. The mathematical relationship between a Fahrenheit temperature and the equivalent
Celsius temperature is:
a. 1:1.
b. 2:1.
c. 3:1.
d. It cannot be determined, as the values are not proportional.
Answer: d
2. Which of the following temperature scales represent absolute values?
a. Celsius and Kelvin
b. Fahrenheit and Celsius
c. Kelvin and Rankine
d. Fahrenheit and Kelvin
Answer: c
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 6
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
3. Which of the following temperatures represents absolute zero?
a. −460°F
b. 0°C
c. 672°R
d. 273°K
Answer: a
4. Which of the following temperatures is the coldest?
a. 32°F
b. 672°R
c. 100°C
d. 373°K
Answer: a
5. Which of the following temperatures is the hottest?
a. 212°F
b. 492°R
c. 273°K
d. 0°C
Answer: a
6. Which of the following temperatures represent the same level of heat intensity?
a. 0°C and 0°K
b. 0°F and 0°R
c. −40°C and −40°F
d. 50°C and 50°R
Answer: c
Exercise HCC-2 Answers to Questions
1. How does the rate of temperature rise of the 8 oz water sample compare to the rate of
temperature rise of the 16 oz water sample?
a. The rate of temperature rise of the 8 oz water sample was greater than the rate of
temperature rise of the 16 oz water sample.
b. The rate of temperature rise of the 16 oz water sample was greater than the rate of
temperature rise of the 8 oz water sample.
c. The rate of temperature rise of the 8 oz water sample was the same as the rate of
temperature rise of the 16 oz water sample.
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 7
website, in whole or in part.
, Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
2. How does the amount of heat energy absorbed by the water or saltwater solution relate
to the amount of heat energy produced by the burner?
a. The amount of heat produced by the burner is greater.
b. The amount of heat absorbed by the water is greater.
c. The amount of heat absorbed by the saltwater is greater.
d. The amount of heat produced by the burner is equal to the amount of heat absorbed by
the water.
Answer: a
3. With regards to this laboratory exercise, which of the following is an example of heat
loss?
a. The support ring getting hot.
b. The glass beaker getting hot.
c. The air around the beaker getting hot.
d. All of the above are examples of heat losses.
Answer: d
4. Based on the results of this laboratory exercise, it can be concluded that:
a. impurities added to water will increase the rate of temperature rise of the solution.
b. impurities added to water will decrease the rate of temperature rise of the solution.
c. impurities added to water will neither increase nor decrease the rate of temperature rise
of the solution.
Answer: b
Exercise HCC-3 Answers to Questions
1. How does the rate of temperature rise of the glass rod compare to the rate of
temperature rise of the copper tubing?
a. The rate of temperature rise of the glass rod was greater than the rate of temperature rise
of the copper tubing.
b. The rate of temperature rise of the copper tubing was greater than the rate of
temperature rise of the glass rod.
c. The rate of temperature rise of the glass rod was the same as the rate of temperature rise
of the copper tubing.
Answer: b
2. Based on this exercise and your knowledge of electron theory, what can likely be
concluded about the glass rod and the copper tubing?
a. Glass is a good conductor, while copper is a good insulator.
b. Glass is a good insulator, while copper is a good conductor.
c. Glass and copper are both good insulators.
d. Glass and copper are both good conductors.
Answer: b
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 8
website, in whole or in part.
Manual, 2nd Edition Eugene Silberstein
Notes
1- The file is chapter after chapter.
2- We have shown you few pages sample.
3- The file contains all Appendix and Excel
sheet if it exists.
4- We have all what you need, we make
update at every time. There are many new
editions waiting you.
5- If you think you purchased the wrong file
You can contact us at every time, we can
replace it with true one.
Our email:
, Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
Solution and Answer Guide
Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core
Concepts (HCC)
Table of Contents
Review Test Answers ...................................................................................................................................................... 1
Exercise HCC-1 Completed Temperature Conversion Chart .......................................................................... 6
Exercise HCC-1 Answers to Questions .................................................................................................................... 6
Exercise HCC-2 Answers to Questions .................................................................................................................... 7
Exercise HCC-3 Answers to Questions .................................................................................................................... 8
Exercise HCC-4 Completed Chart ............................................................................................................................. 9
Exercise HCC-4 Answers to Questions .................................................................................................................... 9
Exercise HCC-5 Completed Chart .......................................................................................................................... 10
Exercise HCC-5 Answers to Questions ................................................................................................................. 10
Exercise HCC-6 Completed Chart .......................................................................................................................... 11
Exercise HCC-6 Answers to Questions ................................................................................................................. 11
Exercise HCC-7 Answers to Questions ................................................................................................................. 12
Review Test Answers
1. The standard atmospheric conditions for water to boil at 212°F are:
a. 15.969 psi at a temperature of 70°F.
b. 16.696 psi at a temperature of 68°F.
c. 14.696 psi at a temperature of 70°F.
d. 15.696 psi at a temperature of 68°F.
Answer: c
2. At standard conditions, water will boil at _____ on the Celsius scale.
a. 100°C
b. 212°C
c. 32°C
d. 0°C
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 1
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
3. If water weighs 8.33 pounds per gallon, it will take _____ Btu to raise the temperature of 4
gallons of water from 70°F to 72°F.
a. 66.7
b. 10
c. 14.7
d. 106
Answer: a
4. Heat energy flows from a warmer substance to a cooler substance.
a. True
b. False
Answer: a
5. When heat transfers by conduction, it:
a. moves through space and air and heats only solid objects.
b. is transported from one place to another by air or liquid.
c. moves from molecule to molecule within the substance.
d. All of the above.
Answer: c
6. When heat transfers by convection, it:
a. moves through space and air and heats only solid objects.
b. is transported from one place to another by air or liquid.
c. moves from molecule to molecule within the substance.
d. All of the above.
Answer: b
7. When heat transfers by radiation, it:
a. moves through space and air and heats only solid objects.
b. is transported from one place to another by air or liquid.
c. moves from molecule to molecule within the substance.
d. All of the above.
Answer: a
8. Sensible heat energy levels:
a. can be measured with a thermometer.
b. are known as hidden heat levels.
c. are always in the comfort range.
d. result in a change of state of the substance.
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 2
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
9. Latent heat energy levels:
a. can be measured with a thermometer.
b. are determined with a barometer.
c. are always very warm.
d. result in a change of state of the substance.
Answer: d
10. The atmosphere will support a column of mercury ______ in high at sea level.
a. 32.00
b. 28.69
c. 14.696
d. 29.92
Answer: d
11. A Bourdon tube can be found in a:
a. mercury barometer.
b. aneroid barometer.
c. pressure gauge.
d. mercury thermometer.
Answer: c
12. Psig is equal to:
a. psia + 14.696.
b. psia - 14.696.
c. psia + 16.696.
d. psia - 16.696.
Answer: b
13. 98°C is equal to:
a. 214.6°F.
b. 196.0°F.
c. 119.8°F.
d. 208.4°F.
Answer: d
14. 70°F is equal to:
a. 21.1°C.
b. 22.6°C.
c. 98.6°C.
d. 20.3°C.
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 3
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
15. The density of a substance:
a. is used to measure its energy.
b. describes its mass-to-volume relationship.
c. is used to determine the transferability of heat.
d. determines its ability to attract unlike magnetic charges.
Answer: b
16. How many ft-lb of work is done when a 500 lb condensing unit is lifted to the top of a 60
ft building?
a. 560 ft-lb
b. 440 ft-lb
c. 8.33 ft-lb
d. 30,000 ft-lb
Answer: d
17. Moving 66-lb object a distance of 1,000 feet in one minute is the equivalent of
a. 0.5 hp
b. 1.0 hp
c. 1.5 hp
d. 2.0 hp
Answer: d
18. A compound gauge can be used to measure pressures:
a. above and below atmospheric pressure.
b. that are only expressed in psia.
c. that are only below 0 psig.
d. that are only above 0 psig.
Answer: a
19. When a substance is heated, the molecules:
a. move slower.
b. move faster.
c. move at the same speed.
d. stop moving.
Answer: b
20. The latent heat of fusion for a water-to-ice transformation is:
a. 1 Btu/lb.
b. 144 Btu/lb.
c. 288 Btu/lb.
d. 970 Btu/lb.
Answer: b
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 4
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
21. If the specific gravity of copper is 8.91, its density is:
a. 55.6 lb/ft3.
b. 238.8 lb/ft3.
c. 23.88 lb/ft3.
d. 556 lb/ft3.
Answer: d
22. Specific volume is used to:
a. compare the densities of various liquids.
b. compare the densities of various solids.
c. indicate the volume that a specific weight of gas will occupy.
d. describe the energy characteristics of a substance.
Answer: c
23. Gas molecules push outward in:
a. a downward direction.
b. an upward direction.
c. a sideways direction.
d. All of the above.
Answer: d
24. An example of a fossil fuel is:
a. natural gas.
b. hydrogen.
c. wood.
d. liquid oxygen.
Answer: a
25. Work is equal to:
a. force × power.
b. force × energy.
c. force × distance.
d. distance × energy.
Answer: c
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 5
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
Exercise HCC-1 Completed Temperature Conversion Chart
(Bolded values in parentheses represent the items that were to be filled in by the student.)
Fahrenheit Celsius Rankine Kelvin
(−460) (−273) 0 (0)
32 (0) (492) (273)
(212) 100 (672) (373)
(140) (60) 600 (333)
(−460) (−273) (0) 0
200 (93) (660) (366)
(−360) (−218) 100 (55)
(122) 50 (582) (323)
(81) (27) (541) 300
(32) 0 (492) (273)
150 (66) (610) (339)
(−410) (−246) 50 (27)
(−40) −40 (420) (233)
−40 (−40) (420) (233)
212 (100) (672) (373)
(212) (100) (672) 373
(−460) −273 (0) (0)
(212) (100) 672 (373)
5 (−15) (465) (258)
(441) (227) (901) 500
Exercise HCC-1 Answers to Questions
1. The mathematical relationship between a Fahrenheit temperature and the equivalent
Celsius temperature is:
a. 1:1.
b. 2:1.
c. 3:1.
d. It cannot be determined, as the values are not proportional.
Answer: d
2. Which of the following temperature scales represent absolute values?
a. Celsius and Kelvin
b. Fahrenheit and Celsius
c. Kelvin and Rankine
d. Fahrenheit and Kelvin
Answer: c
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 6
website, in whole or in part.
,Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
3. Which of the following temperatures represents absolute zero?
a. −460°F
b. 0°C
c. 672°R
d. 273°K
Answer: a
4. Which of the following temperatures is the coldest?
a. 32°F
b. 672°R
c. 100°C
d. 373°K
Answer: a
5. Which of the following temperatures is the hottest?
a. 212°F
b. 492°R
c. 273°K
d. 0°C
Answer: a
6. Which of the following temperatures represent the same level of heat intensity?
a. 0°C and 0°K
b. 0°F and 0°R
c. −40°C and −40°F
d. 50°C and 50°R
Answer: c
Exercise HCC-2 Answers to Questions
1. How does the rate of temperature rise of the 8 oz water sample compare to the rate of
temperature rise of the 16 oz water sample?
a. The rate of temperature rise of the 8 oz water sample was greater than the rate of
temperature rise of the 16 oz water sample.
b. The rate of temperature rise of the 16 oz water sample was greater than the rate of
temperature rise of the 8 oz water sample.
c. The rate of temperature rise of the 8 oz water sample was the same as the rate of
temperature rise of the 16 oz water sample.
Answer: a
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 7
website, in whole or in part.
, Solution and Answer Guide: Silberstein/Obrzut, The Complete HVACR Manual 2E, 9780357618738; Section 1: HVACR Core Concepts
(HCC)
2. How does the amount of heat energy absorbed by the water or saltwater solution relate
to the amount of heat energy produced by the burner?
a. The amount of heat produced by the burner is greater.
b. The amount of heat absorbed by the water is greater.
c. The amount of heat absorbed by the saltwater is greater.
d. The amount of heat produced by the burner is equal to the amount of heat absorbed by
the water.
Answer: a
3. With regards to this laboratory exercise, which of the following is an example of heat
loss?
a. The support ring getting hot.
b. The glass beaker getting hot.
c. The air around the beaker getting hot.
d. All of the above are examples of heat losses.
Answer: d
4. Based on the results of this laboratory exercise, it can be concluded that:
a. impurities added to water will increase the rate of temperature rise of the solution.
b. impurities added to water will decrease the rate of temperature rise of the solution.
c. impurities added to water will neither increase nor decrease the rate of temperature rise
of the solution.
Answer: b
Exercise HCC-3 Answers to Questions
1. How does the rate of temperature rise of the glass rod compare to the rate of
temperature rise of the copper tubing?
a. The rate of temperature rise of the glass rod was greater than the rate of temperature rise
of the copper tubing.
b. The rate of temperature rise of the copper tubing was greater than the rate of
temperature rise of the glass rod.
c. The rate of temperature rise of the glass rod was the same as the rate of temperature rise
of the copper tubing.
Answer: b
2. Based on this exercise and your knowledge of electron theory, what can likely be
concluded about the glass rod and the copper tubing?
a. Glass is a good conductor, while copper is a good insulator.
b. Glass is a good insulator, while copper is a good conductor.
c. Glass and copper are both good insulators.
d. Glass and copper are both good conductors.
Answer: b
© 2022 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 8
website, in whole or in part.
