EGEE 102 Final ACTUAL UPDATED
Exam Questions and CORRECT Answers
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
A refrigerator rated at 414 Watts running 12 h everyday. What is the energy consumption in
kWh for a week? (one decimal place)
(Answer must match to 1 decimal places. ) - CORRECT ANSWER 34.8
A refrigerator rated at 494 Watts running 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
If Peter expends 1,500 calories running a mile in one hour and Samantha burns 1,500 calories
riding a bike in forty-five minutes. Which one of the two spent the greatest amount of energy? -
CORRECT ANSWER they are the same
Energy can be converted from one from to another. - CORRECT ANSWER True
An energy source is nonrenewable if _____. - CORRECT ANSWER if the source cannot be
regenerated in a reasonable time period
If Peter expends 2,000 calories running a mile in one hour and Samantha burns 1,000 calories
riding a bike in thirty minutes. Who exerted the greatest amount of power? - CORRECT
ANSWER Both exerted the same power
Geothermal heat can be used to produce electricity - CORRECT ANSWER True
,One BTU of energy is enough to do what? - CORRECT ANSWER Heat one pound of water
by one degree Fahrenheit.
A BTU has more energy than a calorie. - CORRECT ANSWER True
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
Energy can be converted to which of the following? - CORRECT ANSWER all the above
Which of the following is a unit of power? - CORRECT ANSWER BTU/h
In which one of the following lists are all energy sources examples of mechanical energy? -
CORRECT ANSWER Wind, Tidal energy, Coiled spring
Nuclear fusion is a renewable source of energy. - CORRECT ANSWER true
The form of energy stored in gasoline is - CORRECT ANSWER Chemical
m the following, identify the list where all energy sources are non-renewable energy sources. -
CORRECT ANSWER Nuclear Fission, Petroleum
Units of energy when divided by time of usage give units of _____. - CORRECT
ANSWER Power
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 (a ballpark figure)? - CORRECT ANSWER Less than 10
years
,If we keep importing the way we are doing currently, we can probably last on these reserves for
8 years
Reserves represent the portion of demonstrated resources that _____. - CORRECT
ANSWER can be recovered economically with the application of extraction technology
available currently or in the foreseeable future.
Reserves represent the portion of demonstrated resources that can be recovered economically
with the application of extraction technology available currently or in the foreseeable future
Resources represent the portion of demonstrated energy resources that ____ - CORRECT
ANSWER is known to exist or even suspected to exist, regardless of technical or economic
viability
Resources represent the portion of demonstrated energy resources that is known to exist or even
suspected to exist, regardless of technical or economic viability
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? 29.2 - CORRECT
ANSWER 29.2
Doubling Time = 70 / Rate of increase
Doubling Time = .4 = 29.16 years
Growth in the World's energy consumption can be mathematically represented by which one of
the following functions? - CORRECT ANSWER Exponential
, Growth in the world and US energy consumption as a function of time follows what is known as
exponential function
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 17.1
Doubling Time = 70 / Rate of increase
Doubling Time = .1 = 17.07 years
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
Doubling Time = 70 / Rate of increase
Doubling Time = = 35 years
The fastest growth in the energy use is projected for some of the Asian nations. - CORRECT
ANSWER TRUE
The fastest growth is projected for the nations of developing Asia, including China and India,
where robust economic growth accompanies the increase in energy consumption over the
forecast period
The U.S. has highest crude oil reserves in the world. - CORRECT ANSWER FALSE
The United States ranks as eleventh in the world for reserves of oil
Exam Questions and CORRECT Answers
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
A refrigerator rated at 414 Watts running 12 h everyday. What is the energy consumption in
kWh for a week? (one decimal place)
(Answer must match to 1 decimal places. ) - CORRECT ANSWER 34.8
A refrigerator rated at 494 Watts running 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
If Peter expends 1,500 calories running a mile in one hour and Samantha burns 1,500 calories
riding a bike in forty-five minutes. Which one of the two spent the greatest amount of energy? -
CORRECT ANSWER they are the same
Energy can be converted from one from to another. - CORRECT ANSWER True
An energy source is nonrenewable if _____. - CORRECT ANSWER if the source cannot be
regenerated in a reasonable time period
If Peter expends 2,000 calories running a mile in one hour and Samantha burns 1,000 calories
riding a bike in thirty minutes. Who exerted the greatest amount of power? - CORRECT
ANSWER Both exerted the same power
Geothermal heat can be used to produce electricity - CORRECT ANSWER True
,One BTU of energy is enough to do what? - CORRECT ANSWER Heat one pound of water
by one degree Fahrenheit.
A BTU has more energy than a calorie. - CORRECT ANSWER True
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
Energy can be converted to which of the following? - CORRECT ANSWER all the above
Which of the following is a unit of power? - CORRECT ANSWER BTU/h
In which one of the following lists are all energy sources examples of mechanical energy? -
CORRECT ANSWER Wind, Tidal energy, Coiled spring
Nuclear fusion is a renewable source of energy. - CORRECT ANSWER true
The form of energy stored in gasoline is - CORRECT ANSWER Chemical
m the following, identify the list where all energy sources are non-renewable energy sources. -
CORRECT ANSWER Nuclear Fission, Petroleum
Units of energy when divided by time of usage give units of _____. - CORRECT
ANSWER Power
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 (a ballpark figure)? - CORRECT ANSWER Less than 10
years
,If we keep importing the way we are doing currently, we can probably last on these reserves for
8 years
Reserves represent the portion of demonstrated resources that _____. - CORRECT
ANSWER can be recovered economically with the application of extraction technology
available currently or in the foreseeable future.
Reserves represent the portion of demonstrated resources that can be recovered economically
with the application of extraction technology available currently or in the foreseeable future
Resources represent the portion of demonstrated energy resources that ____ - CORRECT
ANSWER is known to exist or even suspected to exist, regardless of technical or economic
viability
Resources represent the portion of demonstrated energy resources that is known to exist or even
suspected to exist, regardless of technical or economic viability
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? 29.2 - CORRECT
ANSWER 29.2
Doubling Time = 70 / Rate of increase
Doubling Time = .4 = 29.16 years
Growth in the World's energy consumption can be mathematically represented by which one of
the following functions? - CORRECT ANSWER Exponential
, Growth in the world and US energy consumption as a function of time follows what is known as
exponential function
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 17.1
Doubling Time = 70 / Rate of increase
Doubling Time = .1 = 17.07 years
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
Doubling Time = 70 / Rate of increase
Doubling Time = = 35 years
The fastest growth in the energy use is projected for some of the Asian nations. - CORRECT
ANSWER TRUE
The fastest growth is projected for the nations of developing Asia, including China and India,
where robust economic growth accompanies the increase in energy consumption over the
forecast period
The U.S. has highest crude oil reserves in the world. - CORRECT ANSWER FALSE
The United States ranks as eleventh in the world for reserves of oil
