PSU EGEE 102 Exam 1
True or false: Geothermal heat can be used to produce electricity. - 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? - answer$1.02
One calorie is defined as the amount of energy that is required to raise the temperature
of __________. - answer1 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? -
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? - answerThey are the same
One BTU of energy is enough to do what? - answerHeat one pound of water by one
degree Fahrenheit
True or false: Nuclear fusion is a renewable source of energy. - answerTrue
Which of the following is a unit of power? - answerBTU/h
An energy source is nonrenewable if __________ - answerIf the source cannot be
regenerated in a reasonable time period
Units of energy when divided by time of usage give units of __________ - answerPower
What can energy be converted into? - answerWork, heat, radiation
What are examples of energy sources of mechanical energy? - answerWind, Tidal
energy, Coiled spring
True or false: Energy can be converted from one from to another. - answerTrue
The form of energy stored in gasoline is - answerChemical
True or false: Geothermal heat can be used to produce electricity. - 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? - answer$1.02
One calorie is defined as the amount of energy that is required to raise the temperature
of __________. - answer1 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? -
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? - answerThey are the same
One BTU of energy is enough to do what? - answerHeat one pound of water by one
degree Fahrenheit
True or false: Nuclear fusion is a renewable source of energy. - answerTrue
Which of the following is a unit of power? - answerBTU/h
An energy source is nonrenewable if __________ - answerIf the source cannot be
regenerated in a reasonable time period
Units of energy when divided by time of usage give units of __________ - answerPower
What can energy be converted into? - answerWork, heat, radiation
What are examples of energy sources of mechanical energy? - answerWind, Tidal
energy, Coiled spring
True or false: Energy can be converted from one from to another. - answerTrue
The form of energy stored in gasoline is - answerChemical
