EGEE 101 Exam 2 2025 Questions and
Answers
A Cogeneration power plant generates both electric power and useful thermal energy
from the same fuel source.
A) True
B) False - ....ANSWER ...-A) True
Central distribution is more efficient than distributed generation for transmitting
electricity.
A) True
B) False - ....ANSWER ...-B) False
Which among the following does not use a generator to produce electricity?
A) Steam power plant
B) Photovoltaic cells
C) Hydroelectric power plant
D) Nuclear power plant - ....ANSWER ...-B) Photovoltaic cells
In a nuclear power plant, nuclear reactions are used for converting water into steam.
A) True
B) False - ....ANSWER ...-A) True
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,Electric power is measured in terms of voltage.
A) True
B) False - ....ANSWER ...-B) False- unit of electric power is Watts
Wind turbine converts the kinetic energy of air into mechanical energy through the
rotation of blades.
A) True
B) False - ....ANSWER ...-A) True
Electrical energy is measured in terms of KWh
A) True
B) False - ....ANSWER ...-A) True
A step-up transformer is used to decrease the voltage, so that electricity can be
transmitted over long distances.
A) True
B) False - ....ANSWER ...-B) False
Central distribution uses coal, nuclear, hydropower or gas powered plants to generate
and transmit electricity over long distances.
A) True
B) False - ....ANSWER ...-A) True
Which power plant uses both gas and steam turbine to produce electricity?
A) Hydroelectric power plant
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,B) Combined cycle power plant
C) Cogeneration power plant
D) Gas turbine power plant - ....ANSWER ...-B) Combined cycle power plant
High voltage transmission lines are used to carry electricity over long distances.
A) True
B) False - ....ANSWER ...-A) True
Electricity can be generated from fossil fuels.
A) True
B) False - ....ANSWER ...-A) True- Fossil fuels such as coal or natural gas are used
to generate electricity in power plants. Chemical energy in fossil fuels is converted into
electricity in these plants.
In a power plant, chemical energy is converted to what useful end product?
A) Mechanical energy
B) Electrical energy
C) Thermal energy
D) None of the above - ....ANSWER ...-B) Electrical energy- Chemical Energy is
converted into thermal energy in the boiler, which is then converted to mechanical
energy in the turbine followed by generation of electricity by the generator.
A generator works on the principle of electromagnetic induction.
A) True
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, B) False - ....ANSWER ...-A) True
What is the energy conversion that takes place in a turbine in a power plant?
A) Chemical energy to Thermal energy
B) Mechanical energy to electricity
C) Thermal energy to mechanical energy
D) Thermal energy to electricity - ....ANSWER ...-C) Thermal energy to
mechanical energy
Electric current is a measure of flow of electric charge.
A) True
B) False - ....ANSWER ...-A) True
In a gas turbine power plant, which fuel is burned to run the turbine?
A) Petroleum
B) Coal
C) Natural gas
D) water - ....ANSWER ...-C) Natural gas
Electricity can be generated using a magnetic field.
A) True
B) False - ....ANSWER ...-A) True
Electric power is measured as
A) Velocity multiplied by time
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 4
Answers
A Cogeneration power plant generates both electric power and useful thermal energy
from the same fuel source.
A) True
B) False - ....ANSWER ...-A) True
Central distribution is more efficient than distributed generation for transmitting
electricity.
A) True
B) False - ....ANSWER ...-B) False
Which among the following does not use a generator to produce electricity?
A) Steam power plant
B) Photovoltaic cells
C) Hydroelectric power plant
D) Nuclear power plant - ....ANSWER ...-B) Photovoltaic cells
In a nuclear power plant, nuclear reactions are used for converting water into steam.
A) True
B) False - ....ANSWER ...-A) True
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
,Electric power is measured in terms of voltage.
A) True
B) False - ....ANSWER ...-B) False- unit of electric power is Watts
Wind turbine converts the kinetic energy of air into mechanical energy through the
rotation of blades.
A) True
B) False - ....ANSWER ...-A) True
Electrical energy is measured in terms of KWh
A) True
B) False - ....ANSWER ...-A) True
A step-up transformer is used to decrease the voltage, so that electricity can be
transmitted over long distances.
A) True
B) False - ....ANSWER ...-B) False
Central distribution uses coal, nuclear, hydropower or gas powered plants to generate
and transmit electricity over long distances.
A) True
B) False - ....ANSWER ...-A) True
Which power plant uses both gas and steam turbine to produce electricity?
A) Hydroelectric power plant
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,B) Combined cycle power plant
C) Cogeneration power plant
D) Gas turbine power plant - ....ANSWER ...-B) Combined cycle power plant
High voltage transmission lines are used to carry electricity over long distances.
A) True
B) False - ....ANSWER ...-A) True
Electricity can be generated from fossil fuels.
A) True
B) False - ....ANSWER ...-A) True- Fossil fuels such as coal or natural gas are used
to generate electricity in power plants. Chemical energy in fossil fuels is converted into
electricity in these plants.
In a power plant, chemical energy is converted to what useful end product?
A) Mechanical energy
B) Electrical energy
C) Thermal energy
D) None of the above - ....ANSWER ...-B) Electrical energy- Chemical Energy is
converted into thermal energy in the boiler, which is then converted to mechanical
energy in the turbine followed by generation of electricity by the generator.
A generator works on the principle of electromagnetic induction.
A) True
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 3
, B) False - ....ANSWER ...-A) True
What is the energy conversion that takes place in a turbine in a power plant?
A) Chemical energy to Thermal energy
B) Mechanical energy to electricity
C) Thermal energy to mechanical energy
D) Thermal energy to electricity - ....ANSWER ...-C) Thermal energy to
mechanical energy
Electric current is a measure of flow of electric charge.
A) True
B) False - ....ANSWER ...-A) True
In a gas turbine power plant, which fuel is burned to run the turbine?
A) Petroleum
B) Coal
C) Natural gas
D) water - ....ANSWER ...-C) Natural gas
Electricity can be generated using a magnetic field.
A) True
B) False - ....ANSWER ...-A) True
Electric power is measured as
A) Velocity multiplied by time
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 4
