Are you a history buff?
How much do you know about air conditioners?
Are you able to retain a lot of knowledge on an array
of different subjects, one being air conditioning?
You probably don’t think about it much since it’s
everywhere, but air conditioning has changed the way we live our lives,
especially in the summer! These days, you can’t go anywhere without stepping
into an air conditioning oasis.
Let’s see how much you know by testing your knowledge.
The following questions are from National Geographic:
1. In
1978, less than one-quarter of U.S. households had central air conditioning. By
2005, central air systems were cooling what percentage of homes?
a. 25
percent
b. 50
percent
c. 60
percent
d. 80
percent
2. In
1914, the first home air conditioning system was installed in what city?
a. Miami
b. Minneapolis
c. Atlanta
d. Chicago
3. Because
of air conditioning use, Americans use how much more electricity at the peak of
summer than they do on coldest days of winter?
a. 12
percent
b. 22
percent
c. 32
percent
d. 42
percent
4. Chlorofluorocarbons
(CFCs), once widely used in air conditioning, were phased out under the 1987
Montreal Protocol because of the damage they did to the Earth’s ozone layer.
But policymakers are trying to address a remaining problem with the replacement
chemicals now in use, hydrofluorocarbons (HFCs.) What is this problem?
a. They
are greenhouse gasses
b. They
are toxic
c. They
are flammable
d. They
don’t work as well as CFCc
5. In
China’s cities, by some estimates, ownership of air conditioning units was
about 30 percent in 2004. How many urban Chinese households had air
conditioning in 1992?
a. Almost
none
b. 10
percent
c. 15
percent
d. 20
percent
6. If
you have unused rooms in your house, how can you save money on central air
conditioning?
a. Close the air conditioner registers
in the unused rooms and close the doors
b. Open the windows in unused rooms to
increase air circulation
c. Add window air conditioners to the
unused rooms, and run them only when the room is occupied
d. Keep registers open in the unused
room, and use a programmable thermostat to set back air conditioning at night
or when no one is in the house
See
the answers at the bottom.
How well did you do? Maybe there’s a future for you in
heating and cooling in Ann Arbor!
100% Satisfaction Guaranteed Heating & Cooling Service in Ann Arbor
Call us today at 734-424-9555 to schedule an appointment. We’ll measure your home and survey your needs to recommend the correct Ann Arbor heating and cooling system to maximize your comfort. We’re committed to providing you excellent service. In fact, we put our 100% Satisfaction Guarantee for equipment and all services in writing!
1. C 2. B 3. B 4. A 5. A 6. D
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