EGEE Final ACTUAL UPDATED
Exam Questions and CORRECT
Answers
In which one of the following list are all energy sources examples of mechanical energy? -
CORRECT ANSWER - A) Wind, Tidal energy, Coiled spring
B) Sun, Flowing water, Biomass
C) Flowing water, High pressure steam, Fuel oil
D) Wood, Flowing water, High pressure steam
Feedback: Wind, Tidal energy, Coiled spring, Flowing water, High pressure steam are examples
of mechanical energy Sun is an example of nuclear energy Biomass, Fuel oil, Wood are
examples of Chemical Energy
One kilo calorie is equal to how many calories? - CORRECT ANSWER - 1000
The energy demand in United States accounts for approximately _____ percent of the world's
energy demand. - CORRECT ANSWER - 25
Which one of the following energy conversion devices has the lowest energy efficiency? -
CORRECT ANSWER - Feedback: Incandescent light bulb has an efficiency of 5%,
Fluorescent light bulb has an efficiency of 20%, Generator has an efficiency of 97% and Electric
motor has an efficiency of 90%. Refer to screen 9&23 in 'Lesson 3: Energy Efficiency'
Which of the following is NOT true about energy conversion devices? - CORRECT
ANSWER - A)Total Energy Input = Energy Dissipated to the surroundings
B) Total Energy Input = Total Energy Output
C) Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings
D) Total Energy Input = Total Energy Output / Efficiency
, Feedback: Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings
Total Energy Input = Total Energy Output
Efficiency = Useful Energy Output / Total Energy Input
From a car, useful energy output is __________. - CORRECT ANSWER - Mechanical
In a heat engine, thermal energy is converted into _________ energy. - CORRECT
ANSWER - Mechanical
In a power plant (overall) ,which form of energy is converted into electrical energy? -
CORRECT ANSWER - Chemical
The fastest growth in the energy use is projected for some of the Asian nations. - CORRECT
ANSWER - True
Which one of the following is a type of fuel formed from the remains of plants or sea creatures
millions of years ago? - CORRECT ANSWER - Fossil Fuel
If Peter expends 1,000 calories running a mile in one hour and Samantha burns 1000 calories
riding a bike in forty-five minutes. Which one of the two exerted more power? - CORRECT
ANSWER - Samantha
Most of the energy in the US is used by __________. - CORRECT ANSWER - Industrial
Sector
Which one of the following is an odd set of units? - CORRECT ANSWER - Feedback: J/s,
Watt, BTU/s are units of Power kWh, MWh, BTU, J, Cal, Joule are units of Energy
J/s, Watt, BTUs,kw/h
Exam Questions and CORRECT
Answers
In which one of the following list are all energy sources examples of mechanical energy? -
CORRECT ANSWER - A) Wind, Tidal energy, Coiled spring
B) Sun, Flowing water, Biomass
C) Flowing water, High pressure steam, Fuel oil
D) Wood, Flowing water, High pressure steam
Feedback: Wind, Tidal energy, Coiled spring, Flowing water, High pressure steam are examples
of mechanical energy Sun is an example of nuclear energy Biomass, Fuel oil, Wood are
examples of Chemical Energy
One kilo calorie is equal to how many calories? - CORRECT ANSWER - 1000
The energy demand in United States accounts for approximately _____ percent of the world's
energy demand. - CORRECT ANSWER - 25
Which one of the following energy conversion devices has the lowest energy efficiency? -
CORRECT ANSWER - Feedback: Incandescent light bulb has an efficiency of 5%,
Fluorescent light bulb has an efficiency of 20%, Generator has an efficiency of 97% and Electric
motor has an efficiency of 90%. Refer to screen 9&23 in 'Lesson 3: Energy Efficiency'
Which of the following is NOT true about energy conversion devices? - CORRECT
ANSWER - A)Total Energy Input = Energy Dissipated to the surroundings
B) Total Energy Input = Total Energy Output
C) Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings
D) Total Energy Input = Total Energy Output / Efficiency
, Feedback: Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings
Total Energy Input = Total Energy Output
Efficiency = Useful Energy Output / Total Energy Input
From a car, useful energy output is __________. - CORRECT ANSWER - Mechanical
In a heat engine, thermal energy is converted into _________ energy. - CORRECT
ANSWER - Mechanical
In a power plant (overall) ,which form of energy is converted into electrical energy? -
CORRECT ANSWER - Chemical
The fastest growth in the energy use is projected for some of the Asian nations. - CORRECT
ANSWER - True
Which one of the following is a type of fuel formed from the remains of plants or sea creatures
millions of years ago? - CORRECT ANSWER - Fossil Fuel
If Peter expends 1,000 calories running a mile in one hour and Samantha burns 1000 calories
riding a bike in forty-five minutes. Which one of the two exerted more power? - CORRECT
ANSWER - Samantha
Most of the energy in the US is used by __________. - CORRECT ANSWER - Industrial
Sector
Which one of the following is an odd set of units? - CORRECT ANSWER - Feedback: J/s,
Watt, BTU/s are units of Power kWh, MWh, BTU, J, Cal, Joule are units of Energy
J/s, Watt, BTUs,kw/h
