EGEE 102 UPDATED ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS
COMPLETE STUDY GUIDE
●● 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 __________.
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?
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?
Answer: They are the same
, ●● One BTU of energy is enough to do what?
Answer: Heat one pound of water by one degree Fahrenheit
●● True or false: Nuclear fusion is a renewable source of energy.
Answer: True
●● Which of the following is a unit of power?
Answer: BTU/h
●● An energy source is nonrenewable if __________
Answer: If the source cannot be regenerated in a reasonable time period
●● Units of energy when divided by time of usage give units of
__________
Answer: Power
●● What can energy be converted into?
Answer: Work, heat, radiation
●● What are examples of energy sources of mechanical energy?
Answer: Wind, Tidal energy, Coiled spring
QUESTIONS AND CORRECT ANSWERS
COMPLETE STUDY GUIDE
●● 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 __________.
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?
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?
Answer: They are the same
, ●● One BTU of energy is enough to do what?
Answer: Heat one pound of water by one degree Fahrenheit
●● True or false: Nuclear fusion is a renewable source of energy.
Answer: True
●● Which of the following is a unit of power?
Answer: BTU/h
●● An energy source is nonrenewable if __________
Answer: If the source cannot be regenerated in a reasonable time period
●● Units of energy when divided by time of usage give units of
__________
Answer: Power
●● What can energy be converted into?
Answer: Work, heat, radiation
●● What are examples of energy sources of mechanical energy?
Answer: Wind, Tidal energy, Coiled spring
