A fuel cell is a device that uses fossil fuels such as natural gas or propane to produce electricity without combustion, extracting ____, which is used to create power similar to how a battery works.
A. nitrogen
B. oxygen
C. halogen
D. hydrogen
Answer: D
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Which of the following may be used to open a fused disconnect or circuit breaker?
a. Rheostat b. Positive locking device c. Shunt trip d. Site-isolating device
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Besides the atomic attacks, which of the following factors motivated the Japanese surrender on August 15, 1945?
a. fear of the Red Army b. collapse of food supplies c. widespread social unrest d. lack of fuel and ammunition
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The diesel particulate filter in the exhaust system is used to trap _______
A) Soot B) CO2 particles C) Fine sand particles D) Rust from inside the exhaust system
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Micronutrients are predominantly involved in enzyme activation in plants
Indicate whether the statement is true or false
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