BCN 2592 QUIZ 4 QUESTIONS WITH COMPLETE
SOLUTIONS
Storage water heaters typically hold between _____gallons and
have tank insulation with R-values of only ______ on old units
and _____ on new models.
.30-80
.R3-R6
.R7-R10
All storage water heaters have the Energy Guide Label. Does it
show the actual operating cost and performance:
.No only For comparison
shopping
Why is it that gas water heaters are preferred over electric when
electric have higher efficiencies:
Cheaper Fuel Source
Is there any difference in recovery speed between gas and
electric:
yes electric is slower
The wasted energy of gas water heaters can be classified into 3
types:
Gases wosted energy
Delution air
Circulation of Air
, What is a solution to eliminate most of these problems:
sealed water teater eriminate vertical chimney
Tankless water heaters are also called_____
The largest provides
about ____ gallons per minute at 140 degrees. What does this
mean in terms of limitation:
.demand/instant
.5 gallons
.cant run 2 things at the same time
How could you get around this limitation:
install 2 water Heaters
What is an indirect water heater:
Anything
the creates Heat indirectly
Solar water heaters are classified as active or passive depending
if they use a _____
or not.
pump
One strategy for increasing water-heating efficiency is to reduce
the waste of hot water. What could be done to do this:
don't use hot water
What can be done to reduce standby losses from storage tank
and pipes:
SOLUTIONS
Storage water heaters typically hold between _____gallons and
have tank insulation with R-values of only ______ on old units
and _____ on new models.
.30-80
.R3-R6
.R7-R10
All storage water heaters have the Energy Guide Label. Does it
show the actual operating cost and performance:
.No only For comparison
shopping
Why is it that gas water heaters are preferred over electric when
electric have higher efficiencies:
Cheaper Fuel Source
Is there any difference in recovery speed between gas and
electric:
yes electric is slower
The wasted energy of gas water heaters can be classified into 3
types:
Gases wosted energy
Delution air
Circulation of Air
, What is a solution to eliminate most of these problems:
sealed water teater eriminate vertical chimney
Tankless water heaters are also called_____
The largest provides
about ____ gallons per minute at 140 degrees. What does this
mean in terms of limitation:
.demand/instant
.5 gallons
.cant run 2 things at the same time
How could you get around this limitation:
install 2 water Heaters
What is an indirect water heater:
Anything
the creates Heat indirectly
Solar water heaters are classified as active or passive depending
if they use a _____
or not.
pump
One strategy for increasing water-heating efficiency is to reduce
the waste of hot water. What could be done to do this:
don't use hot water
What can be done to reduce standby losses from storage tank
and pipes:
