Explain the difference between an electric vehicle and a fuel-cell vehicle.
What will be an ideal response?
Electric vehicles powered by an electric motor run off a battery pack.A fuel cell powered vehicle is basically the same as the electric vehicle except a fuel cell produces and supplies electric power to the electric motor instead of a battery pack.
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Los guantes de hule pueden sufrir daños por causa de:
a. almacenamiento en sus protectores de cuero. b. lavado con agua corriente en lugar de limpiadores químicos. c. cremas para manos. d. polvo para guantes.
For each 12,000 Btu/h capacity, a wastewater-cooled condensing unit uses approximately ____________________ GPM.
Fill in the blank(s) with the appropriate word(s).
Oxygen gas welding can only be performed with natural gas fuel.
Answer the following statement true (T) or false (F)
____ is well suited for high-pressure and high-temperature applications and is frequently used in piping systems that transport water, oil, petroleum, and steam.
A. Cast iron pipe B. Steel pipe C. Stainless steel pipe D. Plastic pipe