Questions and CORRECT Answers
From the following, identify the group where all energy sources are renewable energy sources. -
CORRECT 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_______ - CORRECT ANSWER 1 lb of water through 1F
The Middle East is richest in which one of the following natural resources? - CORRECT
ANSWER Petroleum
Which one of the following energy conversion devices has the lowest energy efficiency? -
CORRECT 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? - CORRECT
ANSWER Total Energy Input = Total Energy Output
From a computer, the useful energy output is in the form of ______ energy. - CORRECT
ANSWER Radiant
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 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? -
CORRECT ANSWER Peter did.
Most of the energy in the US is used by _______. - CORRECT ANSWER Industrial sector
From the following, pick the set of units that contains all power or energy units. - CORRECT
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 ______. - CORRECT
ANSWER Power
Petroleum reserves for the US at the present rate of consumption will last for about ____. -
CORRECT ANSWER 2.9 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
Energy in Uranium is stored as ____ energy. - CORRECT ANSWER Nuclear