Questions and CORRECT Answers
From the following, identify the list where all energy sources are non-renewable energy sources -
CORRECT ANSWER Nuclear Fission, Petroleum
One food calorie is equal to how many calories? - CORRECT ANSWER 1000
The United States has approximately _____ percent of the World's coal reserves - CORRECT
ANSWER 25
Which one of the following energy conversion devices has the lowest energy efficiency? -
CORRECT ANSWER Incandescent light bulb
Which of the following is true about energy conversion devices? - CORRECT
ANSWER Total Energy Input = Total Energy Output
What is the form of useful energy output from a lawn mower? - CORRECT
ANSWER Mechanical
In a heat engine, ________ energy is converted into mechanical energy. - CORRECT
ANSWER Thermal
In a power plant (overall) ,which form of energy is converted into electrical energy? -
CORRECT ANSWER Chemical
With strong growth in Asian economies, worldwide energy demand is likely to _____ by 2025. -
CORRECT 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? - 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 electricity in the United States is generated from - CORRECT ANSWER Coal
Which one of the following is an odd set of units? - CORRECT ANSWER J/s, Watt, BTU/s,
kW/h
Units of energy when divided by time of usage give units of _____. - CORRECT
ANSWER Power
At the current rate of consumption approximately how long will the US coal reserves last? -
CORRECT ANSWER 242 years
Petroleum reserves for the World at the present rate of consumption will last for about _____. -
CORRECT ANSWER 39 years
Which one of the following is a list of devices from least efficient to most efficient? -
CORRECT ANSWER Light-Bulb, Automobile Engine, Power Plant, Electric Motor
What is the form of energy in biomass? - CORRECT ANSWER Chemical
Which one of the following sustainable energy sources is producing significant amount of
renewable energy in the US? - CORRECT ANSWER Hydro
Is BTU/h a unit of energy? - CORRECT ANSWER False