EGEE 102 PSU Exam 1 Question and
Answers Latest 2022
From the following, identify the group where all energy sources are renewable energy
sources. - ANSWER Solar, Nuclear Fusion, Biomass, Wind, Tidal are all renewable
energy sources.
Nuclear Fission, Petroleum, and Coal are non-renewable energy sources.
One British Thermal Unit (BTU) is defined as the amount of energy required to raise the
temperature of_______ - ANSWER 1 lb of water through 1F
The Middle East is richest in which one of the following natural resources? - ANSWER
Petroleum
Which one of the following energy conversion devices has the lowest energy efficiency?
- ANSWER Incandescent light bulb at an efficiency of 5%
-followed by fluorescent light bulbs at 20%, steam boiler at a power plant at 88%, and
electric motor at 90%
Which of the following is true about energy conversion devices? - ANSWER Total
Energy Input = Total Energy Output
From a computer, the useful energy output is in the form of ______ energy. - ANSWER
Radiant
In a heat engine, _____ energy is converted into mechanical energy. - ANSWER
Thermal
In a power plant (overall), which form of energy is converted into electrical energy? -
ANSWER Chemical
With strong growth in Asian economies, worldwide energy demand is likely to ____ by
2025. - ANSWER Double
Which one of the following is a type of fuel formed from the remains of plants or sea
creatures millions of years ago. - ANSWER Fossil Fuel
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 spent the greatest amount of energy during
their exercise? - ANSWER Peter did.
, Most of the energy in the US is used by _______. - ANSWER Industrial sector
From the following, pick the set of units that contains all power or energy units. -
ANSWER Any answer that contains the following:
-kW, MW, BTU/s, J/s, Cal/hr
Units of energy when divided by time of usage give units of ______. - ANSWER Power
Petroleum reserves for the US at the present rate of consumption will last for about
____. - ANSWER 2.9 years
Petroleum reserves for the World at the present rate of consumption will last for about
_____. - ANSWER 39 years
Which one of the following is a list of devices from least efficient to most efficient? -
ANSWER Light-Bulb, Automobile Engine, Power Plant, Electric Motor
Energy in Uranium is stored as ____ energy. - ANSWER Nuclear
Which one of the following sustainable energy sources is producing significant amount
of renewable energy in the US? - ANSWER Hydro
True/False: BTU is a unit of energy. - ANSWER TRUE: A unit of energy equal to the
amount of energy needed to raise the temperature of one pound of water by one degree
Fahrenheit
True/False: kWh is the unit of power - ANSWER FALSE: An amount of energy from the
steady production or consumption of one kilowatt of power for a period of one hour.
True/False: Most of the electricity in the US is generated from nuclear energy. -
ANSWER FALSE
True/False: Geothermal heat can be used to produce electricity. - ANSWER TRUE:
Renewable and non-renewable energy sources can be converted to electricity and heat.
An energy source is nonrenewable if ______. - ANSWER If the source cannot be
regenerated in a reasonable time period.
The US and World Energy demand is growing _____. - ANSWER Exponentially: Growth
in the world and US energy consumption as a function of time follows what is known as
exponential function.
The time it takes for the initial quantity to become twice as much is called the _____. -
ANSWER Doubling time
Answers Latest 2022
From the following, identify the group where all energy sources are renewable energy
sources. - ANSWER Solar, Nuclear Fusion, Biomass, Wind, Tidal are all renewable
energy sources.
Nuclear Fission, Petroleum, and Coal are non-renewable energy sources.
One British Thermal Unit (BTU) is defined as the amount of energy required to raise the
temperature of_______ - ANSWER 1 lb of water through 1F
The Middle East is richest in which one of the following natural resources? - ANSWER
Petroleum
Which one of the following energy conversion devices has the lowest energy efficiency?
- ANSWER Incandescent light bulb at an efficiency of 5%
-followed by fluorescent light bulbs at 20%, steam boiler at a power plant at 88%, and
electric motor at 90%
Which of the following is true about energy conversion devices? - ANSWER Total
Energy Input = Total Energy Output
From a computer, the useful energy output is in the form of ______ energy. - ANSWER
Radiant
In a heat engine, _____ energy is converted into mechanical energy. - ANSWER
Thermal
In a power plant (overall), which form of energy is converted into electrical energy? -
ANSWER Chemical
With strong growth in Asian economies, worldwide energy demand is likely to ____ by
2025. - ANSWER Double
Which one of the following is a type of fuel formed from the remains of plants or sea
creatures millions of years ago. - ANSWER Fossil Fuel
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 spent the greatest amount of energy during
their exercise? - ANSWER Peter did.
, Most of the energy in the US is used by _______. - ANSWER Industrial sector
From the following, pick the set of units that contains all power or energy units. -
ANSWER Any answer that contains the following:
-kW, MW, BTU/s, J/s, Cal/hr
Units of energy when divided by time of usage give units of ______. - ANSWER Power
Petroleum reserves for the US at the present rate of consumption will last for about
____. - ANSWER 2.9 years
Petroleum reserves for the World at the present rate of consumption will last for about
_____. - ANSWER 39 years
Which one of the following is a list of devices from least efficient to most efficient? -
ANSWER Light-Bulb, Automobile Engine, Power Plant, Electric Motor
Energy in Uranium is stored as ____ energy. - ANSWER Nuclear
Which one of the following sustainable energy sources is producing significant amount
of renewable energy in the US? - ANSWER Hydro
True/False: BTU is a unit of energy. - ANSWER TRUE: A unit of energy equal to the
amount of energy needed to raise the temperature of one pound of water by one degree
Fahrenheit
True/False: kWh is the unit of power - ANSWER FALSE: An amount of energy from the
steady production or consumption of one kilowatt of power for a period of one hour.
True/False: Most of the electricity in the US is generated from nuclear energy. -
ANSWER FALSE
True/False: Geothermal heat can be used to produce electricity. - ANSWER TRUE:
Renewable and non-renewable energy sources can be converted to electricity and heat.
An energy source is nonrenewable if ______. - ANSWER If the source cannot be
regenerated in a reasonable time period.
The US and World Energy demand is growing _____. - ANSWER Exponentially: Growth
in the world and US energy consumption as a function of time follows what is known as
exponential function.
The time it takes for the initial quantity to become twice as much is called the _____. -
ANSWER Doubling time
