Final Review

Question 1

Which way does heat want to travel?

Answer 1

Hot to cold

Question 2

If you’re calculating a heat gain in the summertime of a house does the window facing N, E,S, or W matter ?

Answer 2

Yes

Question 3

What does HTM stand for?

Answer 3

Heat Transfer Multiplier

Question 4

Do you have to add the loss or gain for ventilation and infiltration?

Answer 4

Yes, you have to add the load

Question 5

Summertime indoor temp?

Answer 5

75/50

Question 6

Winter indoor temp?

Answer 6

70/35

Question 7

Do we calculate the cooling in the building for heat gain & heat loss?

Answer 7

True, calculated for both htg & clg

Question 8

Total Btu gain is it used for sizing the furnace?

Answer 8

No, heat gain is AC and heat loss is furnace.

Question 9

Do people factor heat gain when sizing the house?

Answer 9

True

Question 10

Do people factor heat loss when sizing the house?

Answer 10

False

Question 11

Basement floor, engrave- only need to be considered for heat loss?

Answer 11

True

Question 12

Below grade masening etc, need to considered heat gain & heat loss?

Answer 12

False

Question 13

In addition to proper duct sizing heat gain?

Answer 13

True

Question 14

Calculate gross exposed wall?

Answer 14

30+30+50+50 multipied by 10

Question 15

Do we calculate inner walls?

Answer 15

No

Question 16

St, Paul Minnesota, whats the outdoor tempature difference?

Answer 16

82 degree

Question 17

Whats the HTM of ST PAUL

Answer 17

Find in packets

Question 18

Sizing an HRV?

Answer 18

When sizing HRV in st paul, TD is 82
70 winter temp +12 =82
Remember the numbers for equation

82 TD
*.4 to get cu.ft per hour
divide by 60 to get CFM