If a fuel cell is to be truly emissions-free, which of the following should be true regarding the source of the hydrogen?
A. produced using hydro-electricity
B. reformed using propane
C. produced using coal-driven electricity
D. reformed using gasoline
Answer: A
You might also like to view...
A solar collector has 16 rows of 4 ft. 4 in.? lengths of copper tubing painted black. What is the total length of black tubing in the collector?
Fill in the blank(s) with the appropriate word(s).
A required topic in the OSHA-10 program is _____.
a. Focus Four Hazards b. Six Safety Areas c. Three Toxic Agents d. Top Ten Threats
What determines the amount of valve overlap?
A) Cam lobe accuracy B) Total lift in degrees C) Camshaft design D) Timing gears or chain
The three different phases or states of matter include _________________
A) Solid, water, and steam B) Ice, liquid, and gas C) Solid, liquid, and gas D) Liquid, water, and steam