EGEE 102 Exam 1 ACTUAL UPDATED Exam Questions and CORRECT Answers

EGEE 102 Exam 1 ACTUAL UPDATED
Exam Questions and CORRECT
Answers
From the following, identify the list where all energy sources are non-renewable energy sources.
A) Nuclear Fission, Petroleum
B) Solar, Biomass
C) Nuclear Fusion, Coal

D) Natural Gas, Tidal - CORRECT ANSWER - Feedback: Solar, Nuclear Fusion, Biomass,
Wind, Tidal, Solar are renewable energy sources. Nuclear Fission, Petroleum, Coal, Natural Gas
are non-renewable energy sources.
Table for Individual Question Feedback
Correct Answer(s): A


One British Thermal Unit (BTU) is defined as the amount of energy required to raise the
temperature of _____
A) 1 lb of water through 1°F
B) 1 g of water through 1°C
C) 1 lb of water through 1 °C

D) 1 gal of water through 1°C - CORRECT ANSWER - Feedback: Refer to screen 14 in
'Lesson 1: Energy and Society'
Table for Individual Question Feedback
Correct Answer(s): A


The Middle East is richest in which one of the following natural resources?
A) Petroleum
B) Coal

C) Natural Gas - CORRECT ANSWER - Feedback: Refer to screen 18 in 'Lesson 1: Energy
and Society'

,Table for Individual Question Feedback
Correct Answer(s): A


Which one of the following energy conversion devices has the highest energy efficiency?
A) Generator
B) Steam turbine
C) Automobile engine

D) Incandescent light bulb - CORRECT ANSWER - Feedback: Generator has an efficiency of
97%, Steam turbine has an efficiency of 40%, Automobile engine has an efficiency of 25% and
Incandescent light bulb has an efficiency of 5%. Refer to screen 9&23 in 'Lesson 3: Energy
Efficiency'
Table for Individual Question Feedback
Correct Answer(s): A


Which of the following is true about energy conversion devices?
A) Total Energy Input = Total Energy Output
B) Total Energy Input = Useful Energy Output
C) Total Energy Input = Energy Dissipated to the surroundings

D) Total Energy Input = Efficiency X Total Energy Output - CORRECT ANSWER -
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
Refer to screen 2&5 in 'Lesson 3: Energy Efficiency'
Table for Individual Question Feedback
Correct Answer(s): A


From a car, useful energy output is __________.
A) Mechanical
B) Thermal or Heat

, C) Radiation

D) Chemical - CORRECT ANSWER - Feedback: Refer to screen 4 in 'Lesson 3: Energy
Efficiency'
Table for Individual Question Feedback
Correct Answer(s): A


In a heat engine, ________ energy is converted into mechanical energy.
A) Thermal
B) Mechanical
C) Chemical

D) Electrical - CORRECT ANSWER - Feedback: Refer to screen 14 in 'Lesson 3: Energy
Efficiency'
Table for Individual Question Feedback
Correct Answer(s): A


In a power plant, chemical energy is finally converted into_______energy.
A) Electrical
B) Mechanical
C) Chemical

D) Thermal - CORRECT ANSWER - Feedback: Refer to screen 21 in 'Lesson 3: Energy
Efficiency'
Table for Individual Question Feedback
Correct Answer(s): A


The fastest growth in the energy use is projected for some of the ______ nations.
A) Asian
B) South American
C) European