PSU EGEE 102 – Exam 1 – Energy and Environmental Engineering –
study material
True or false: Geothermal heat can be used to produce electricity. - 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
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
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
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
One BTU of energy is enough to do what? - correct answer ✔✔Heat one pound
of water by one degree Fahrenheit
True or false: Nuclear fusion is a renewable source of energy. - correct answer
✔✔True
, Which of the following is a unit of power? - correct answer ✔✔BTU/h
An energy source is nonrenewable if __________ - correct answer ✔✔If the
source cannot be regenerated in a reasonable time period
Units of energy when divided by time of usage give units of __________ - correct
answer ✔✔Power
What can energy be converted into? - correct answer ✔✔Work, heat, radiation
What are examples of energy sources of mechanical energy? - correct answer
✔✔Wind, Tidal energy, Coiled spring
True or false: Energy can be converted from one from to another. - correct
answer ✔✔True
The form of energy stored in gasoline is - correct answer ✔✔Chemical
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
True or false: A BTU has more energy than a calorie. - correct answer ✔✔True
What are non-renewable energy sources? - correct answer ✔✔Nuclear Fission,
Petroleum
study material
True or false: Geothermal heat can be used to produce electricity. - 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
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
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
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
One BTU of energy is enough to do what? - correct answer ✔✔Heat one pound
of water by one degree Fahrenheit
True or false: Nuclear fusion is a renewable source of energy. - correct answer
✔✔True
, Which of the following is a unit of power? - correct answer ✔✔BTU/h
An energy source is nonrenewable if __________ - correct answer ✔✔If the
source cannot be regenerated in a reasonable time period
Units of energy when divided by time of usage give units of __________ - correct
answer ✔✔Power
What can energy be converted into? - correct answer ✔✔Work, heat, radiation
What are examples of energy sources of mechanical energy? - correct answer
✔✔Wind, Tidal energy, Coiled spring
True or false: Energy can be converted from one from to another. - correct
answer ✔✔True
The form of energy stored in gasoline is - correct answer ✔✔Chemical
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
True or false: A BTU has more energy than a calorie. - correct answer ✔✔True
What are non-renewable energy sources? - correct answer ✔✔Nuclear Fission,
Petroleum
