EGEE 102 PSU Exam 1 Question and Answers Latest 2022
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EGEE 102 PSU
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EGEE 102 PSU
From the following, identify the group where all energy sources are renewable energy sources.
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 th...
egee 102 psu exam 1 question and answers latest 2022
identify the group where all energy sources are renewable energy sources
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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
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