Exam Questions and CORRECT
Answers
In which one of the following lists are all energy sources examples of mechanical energy?
A. Wind, Tidal energy, Coiled spring
B. Sun, Flowing water, Biomass
C. Flowing water, High pressure steam, Fuel oil
D. Wood, Flowing water, High pressure steam - CORRECT ANSWER - Correct answer(s): A
From the following, identify the group where all energy sources are renewable energy sources.
A. Solar, Nuclear Fusion
B. Nuclear Fission, Biomass
C. Wind, Petroleum
D. Tidal, Coal - CORRECT ANSWER - A. Solar, Nuclear Fusion
From the following, identify the list where all energy sources are non- renewable energy sources.
A. Nuclear Fission, Petroleum
B. Solar, Biomass
C. Nuclear Fusion, Coal
D. Natural Gas, Tidal - CORRECT ANSWER - Correct answer(s): A
One food calorie is equal to how many calories?
A. 1000
, B. 100
C. 1/1000
D. 1/100 - CORRECT ANSWER - Correct answer(s): A
The energy demand in United States accounts for approximately _____ percent of the world's
energy demand.
A.25
B.5
C.15
D.50 - CORRECT ANSWER - Correct answer(s): A
Which one of the following energy conversion devices has the highest energy efficiency?
A. Generator
B. Steam turbine
C. Automobile engine
D. Incandescent light bulb - CORRECT ANSWER - Correct answer(s): A
Which of the following is true about energy conversion devices?
A. Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings
B. Total Energy Input = Useful Energy Output
C. Total Energy Input = Energy Dissipated to the surroundings
D. Total Energy Input = Efficiency X Total Energy Output - CORRECT ANSWER - Correct
answer(s): A
From a car, useful energy output is ________.