Exam Questions and CORRECT Answers
In which one of the following list 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 A) Wind, Tidal
Energy, Coiled Spring
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 A) Nuclear Fission, Petroleum
One kilo calorie is equal to how many calories?
A) 1000
B) 100
C) 1/1000
D) 1/100 - CORRECT ANSWER A) 1000
,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 A) 25
Which one of the following energy conversion devices has the highest energy efficiency?
A) Steam boiler in a power plant
B) Steam turbine
C) Automobile engine
D) Fluorescent light bulb - CORRECT ANSWER A)Steam Boiler in a power plant
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 A) Total
Energy Input = Useful Energy Output +Energy dissipated to the Surroundings
What is the form of useful energy output from a lawn mower?
A) Mechanical
B) Thermal or Heat
C) Radiation
D) Chemical - CORRECT ANSWER A) Mechanical
In a power plant(overall), which form of energy is converted into electrical energy?
A) Chemical
, B) Mechanical
C) Electrical
D) Thermal - CORRECT ANSWER A) Chemical
With strong growth in Asian economies, energy demand is likely to double by 2025.
A) True
B) False - CORRECT ANSWER A) True
What is the form of energy in biomass?
A) Chemical
B) Heat
C) Nuclear
D) Lava - CORRECT ANSWER A) Chemical
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?
A) Peter
B) Samantha - CORRECT ANSWER B) Samantha
Most of the electricity in the United States is generated from
A) Coal
B) Petroleum
C) Hydro
D) Nuclear - CORRECT ANSWER A) Coal
Which one of the following is an odd set of units?
A) kWh, MWh, BTU, J
B) J/s, Watt, BTU/s, kW/h