Quiz #13: Energy Basics

1. Which of the following contains the most BTUs?

A. 1 lb. of wood pellets – 8,000 BTU/lb.

B. 1 kWh of electricity – 3,413 BTU/kWh

C. 1 gallon of #2 heating oil – 138,700 BTU/gallon

D. 1 gallon of propane – 92,000 BTU/gallon

 

2. Which of the following fuels is most expensive per kBTU in most areas of the US?

A. propane

B. #2 heating oil

C. electric heat pump

D. electric resistance heat

3. Occupancy sensors, dimmers, and timers can be most effectively used to reduce which of the following energy use sectors?

A. water heaters

B. lighting

C. space cooling

D. refrigeration

 

4. Which of the following is a true statement about recommended insulation R-values?

A. they have remained constant since the 1970s

B. they are higher for warmer climates

C. the recommended R-value depends on the type of insulation used

D. they depend on a building’s climate zone

 

5. All of the following are still widely used insulation types except…?

A. fiberglass rolls

B. loose fill cellulose

C. vermiculite – discontinued as some kinds of vermiculite contain asbestos

D. polyisocyanurate – a chemical name for a kind of rigid foam board insulation

Question Answer Key:

 

1. Which of the following contains the most BTUs?

A. 1 lb. of wood pellets – 8,000 BTU/lb.

B. 1 kWh of electricity – 3,413 BTU/kWh

C. 1 gallon of #2 heating oil – 138,700 BTU/gallon

D. 1 gallon of propane – 92,000 BTU/gallon

 

2. Which of the following fuels is most expensive per kBTU in most areas of the US?

A. propane

B. #2 heating oil

C. electric heat pump

D. electric resistance heat

3. Occupancy sensors, dimmers, and timers can be most effectively used to reduce which of the following energy use sectors?

A. water heaters

B. lighting

C. space cooling

D. refrigeration

 

4. Which of the following is a true statement about recommended insulation R-values?

A. they have remained constant since the 1970s

B. they are higher for warmer climates

C. the recommended R-value depends on the type of insulation used

D. they depend on a building’s climate zone

 

5. All of the following are still widely used insulation types except…?

A. fiberglass rolls

B. loose fill cellulose

C. vermiculite – discontinued as some kinds of vermiculite contain asbestos

D. polyisocyanurate – a chemical name for a kind of rigid foam board insulation

{ 0 comments… add one }

Leave a Comment

Previous post: