(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students. (b) The number of air exchanges per hour ( A ) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3. A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour. (c) The necessary number of ach ( A ) if the classroom has 40 students in it. (d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased In heavy smoking areas, the ventilation rate should be increased to 50 ft 3 per min per person compared to classrooms. According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft 3 per min for each person in the room.

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Answer 1

Question

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

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Answer 2

Question

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

Expert Solution & Answer

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Answer 3

Question

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

Expert Solution & Answer

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Answer 4

Question

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

Expert Solution & Answer

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Answer 5

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

Answer 6

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

Answer 7

Chapter 1.2, Problem 44E

To determine

To find:

(a) An equation that models the total ventilation V (in cubic feet per hour) necessary for a classroom with x students.

(b) The number of air exchanges per hour (A) are necessary to keep the room properly ventilated, if x students are in a classroom having volume 15,000 ft3.

A common unit of ventilation is air change per hour (ach). One ach is equivalent to exchanging all the air in a room every hour.

(c) The necessary number of ach (A) if the classroom has 40 students in it.

(d) In heavy smoking areas like bars and lounges the factor by which the ventilation should be increased

In heavy smoking areas, the ventilation rate should be increased to 50 ft³ per min per person compared to classrooms.

According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), a nonsmoking classroom should have a ventilation rate of 15 ft³ per min for each person in the room.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 1.1 - Prob. 1E Ch. 1.1 - Prob. 2E Ch. 1.1 - Prob. 3E Ch. 1.1 - Prob. 4E Ch. 1.1 - Prob. 5E Ch. 1.1 - Prob. 6E Ch. 1.1 - Prob. 7E Ch. 1.1 - Prob. 8E Ch. 1.1 - Prob. 9E Ch. 1.1 - Prob. 10E

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Chapter 1 Solutions