EGEE 102 Final ACTUAL Exam Questions
and CORRECT Answers
Which of the following is a unit of power? - CORRECT ANSWER BTU/h
The form of energy stored in gasoline is - CORRECT ANSWER Chemical
One BTU of energy is enough to do what? - CORRECT ANSWER Heat one pound of water
by one degree Fahrenheit.
Identify the list where all energy sources are non-renewable energy sources. - CORRECT
ANSWER Nuclear Fission and Petroleum
One calorie is defined as the amount of energy that is required to raise the temperature of _____.
- CORRECT ANSWER 1 g of water by 1 C
Nuclear Fission is a renewable source of energy. - CORRECT ANSWER True
If Peter expends 1500 calories running a mile in one hour and Samantha burns 1500 calories
riding a bike in 45 min. Which one of the two spent the greatest amount of energy? - CORRECT
ANSWER They are the same
Energy can be converted from one form to another. - CORRECT ANSWER True
A 100 watt incandescent light bulb is operated for 120 hours, and a 15 watt fluorescent light bulb
is operated for the same period of time. At 10 cents per kWh, what is the cost savings of the
fluorescent bulb? - CORRECT ANSWER 1.02
100W x 120h = 12000 Wh
=12 kWh
,15W x 120h = 1800Wh
A refrigerator rated at 494 Watts runnings 13 h everyday is replaced by a new refrigerator rated
at 221 Watts and runs 8 h per day. What is the energy saving in kWh for a week? - CORRECT
ANSWER 32.6
Units of energy when divided by time of usage give units of - CORRECT ANSWER Power
In which of the following lists are all energy sources examples of mechanical energy? -
CORRECT ANSWER Wind, Tidal, and Coiled Spring
A BTU has more energy than a calorie. - CORRECT ANSWER True
Energy can be converted to which of the following? - CORRECT ANSWER work, heat,
radiation
If Peter expends 2,000 calories running a mile in one hour and Samantha burns 1,000 calories
riding a bike in 30 minutes. Which one of the two spent the greatest amount of power? -
CORRECT ANSWER Both
An energy source is nonrenewable if _____. - CORRECT ANSWER if the source cannot be
regenerated in a reasonable time period.
A refrigerator rated at 412 Watts running 7 h everyday. What is the energy consumption in kWh
for a week? - CORRECT ANSWER 20.2
Geothermal heat can be used to produce electricity. - CORRECT ANSWER True
Energy use in Kunesia is projected to increase at the rate of 4.1% per year for the next few
decades. How long will it take Kunesia to double its current usage in years? - CORRECT
ANSWER 17.07
, 70/4.1
Energy use in China is projected to increase at the rate of 3.6 % per year for the next few
decades. How long will it take for energy consumption in China to double? - CORRECT
ANSWER 19.44 years
70/3.6
At the present rate of consumption, how long are the U.S. petroleum reserves expected to last if
we do not import any crude oil? - CORRECT ANSWER Less than 10 years
A country in Asia has an estimated reserve of 35895 million barrels of oil. The country uses
9947399 barrels of oil per day. At this rate, how many years will the reserves last? - CORRECT
ANSWER 9.89 years
35,895,000,000/9,947,399= 3608.48 days= 3608.48/365=9.89
Energy use in Kunesia is projected to increase at the rate of 2% per year for the next few
decades. How long will it take Kunesia to double its current usage in years? - CORRECT
ANSWER 35
70/2
Energy use in Kunesia is projected to increase at the rate of 2.4% per year for the next few
decades. How long will it take Kunesia to double its current usage in years? - CORRECT
ANSWER 29.16
70/2.4
and CORRECT Answers
Which of the following is a unit of power? - CORRECT ANSWER BTU/h
The form of energy stored in gasoline is - CORRECT ANSWER Chemical
One BTU of energy is enough to do what? - CORRECT ANSWER Heat one pound of water
by one degree Fahrenheit.
Identify the list where all energy sources are non-renewable energy sources. - CORRECT
ANSWER Nuclear Fission and Petroleum
One calorie is defined as the amount of energy that is required to raise the temperature of _____.
- CORRECT ANSWER 1 g of water by 1 C
Nuclear Fission is a renewable source of energy. - CORRECT ANSWER True
If Peter expends 1500 calories running a mile in one hour and Samantha burns 1500 calories
riding a bike in 45 min. Which one of the two spent the greatest amount of energy? - CORRECT
ANSWER They are the same
Energy can be converted from one form to another. - CORRECT ANSWER True
A 100 watt incandescent light bulb is operated for 120 hours, and a 15 watt fluorescent light bulb
is operated for the same period of time. At 10 cents per kWh, what is the cost savings of the
fluorescent bulb? - CORRECT ANSWER 1.02
100W x 120h = 12000 Wh
=12 kWh
,15W x 120h = 1800Wh
A refrigerator rated at 494 Watts runnings 13 h everyday is replaced by a new refrigerator rated
at 221 Watts and runs 8 h per day. What is the energy saving in kWh for a week? - CORRECT
ANSWER 32.6
Units of energy when divided by time of usage give units of - CORRECT ANSWER Power
In which of the following lists are all energy sources examples of mechanical energy? -
CORRECT ANSWER Wind, Tidal, and Coiled Spring
A BTU has more energy than a calorie. - CORRECT ANSWER True
Energy can be converted to which of the following? - CORRECT ANSWER work, heat,
radiation
If Peter expends 2,000 calories running a mile in one hour and Samantha burns 1,000 calories
riding a bike in 30 minutes. Which one of the two spent the greatest amount of power? -
CORRECT ANSWER Both
An energy source is nonrenewable if _____. - CORRECT ANSWER if the source cannot be
regenerated in a reasonable time period.
A refrigerator rated at 412 Watts running 7 h everyday. What is the energy consumption in kWh
for a week? - CORRECT ANSWER 20.2
Geothermal heat can be used to produce electricity. - CORRECT ANSWER True
Energy use in Kunesia is projected to increase at the rate of 4.1% per year for the next few
decades. How long will it take Kunesia to double its current usage in years? - CORRECT
ANSWER 17.07
, 70/4.1
Energy use in China is projected to increase at the rate of 3.6 % per year for the next few
decades. How long will it take for energy consumption in China to double? - CORRECT
ANSWER 19.44 years
70/3.6
At the present rate of consumption, how long are the U.S. petroleum reserves expected to last if
we do not import any crude oil? - CORRECT ANSWER Less than 10 years
A country in Asia has an estimated reserve of 35895 million barrels of oil. The country uses
9947399 barrels of oil per day. At this rate, how many years will the reserves last? - CORRECT
ANSWER 9.89 years
35,895,000,000/9,947,399= 3608.48 days= 3608.48/365=9.89
Energy use in Kunesia is projected to increase at the rate of 2% per year for the next few
decades. How long will it take Kunesia to double its current usage in years? - CORRECT
ANSWER 35
70/2
Energy use in Kunesia is projected to increase at the rate of 2.4% per year for the next few
decades. How long will it take Kunesia to double its current usage in years? - CORRECT
ANSWER 29.16
70/2.4
