Quiz #10: Thermal Imaging Basics

1. The resolution quality on an infrared imager is measured in which of the following units:

A. pixels

B. pixenes

C. degrees

D. bytes

 

2. Thermal imagers can be used to diagnose all of the following conditions except:

A. types of mold growths

B. concealed plumbing leaks behind walls

C. areas of air infiltration and exfiltration

D. hot electrical fuses

 

3. The minimum resolution quality for an infrared imager used in energy auditing, according to RESNET standards, is:

A. 80 x 80

B. 120 x 120

B. 120 x 160

D. 240 x 180

 

4. In thermal imaging of buildings, ∆T commonly refers to:

A. the thermal accuracy of the camera

B. the temperature difference between daytime high and overnight low

C. the difference between outside and inside temperatures

D. the average of outside and inside temperatures

5. What physical property allows thermal imaging cameras to be a useful tool in diagnosing moisture problems?

A. the fact that ice has a lower density than water

B. freeze-thaw cycle

C. evaporative cooling

D. transpiration

Question Answer Key:

1. The resolution quality on an infrared imager is measured in which of the following units:

A. pixels

B. pixenes

C. degrees

D. bytes

 

2. Thermal imagers can be used to diagnose all of the following conditions except:

A. types of mold growths

B. concealed plumbing leaks behind walls

C. areas of air infiltration and exfiltration

D. hot electrical fuses

 

3. The minimum resolution quality for an infrared imager used in energy auditing, according to RESNET standards, is:

A. 80 x 80

B. 120 x 120

B. 120 x 160

D. 240 x 180

 

4. In thermal imaging of buildings, ∆T commonly refers to:

A. the thermal accuracy of the camera

B. the temperature difference between daytime high and overnight low

C. the difference between outside and inside temperatures

D. the average of outside and inside temperatures

5. What physical property allows thermal imaging cameras to be a useful tool in diagnosing moisture problems?

A. the fact that ice has a lower density than water

B. freeze-thaw cycle

C. evaporative cooling

D. transpiration

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