Deck 6: Hydrogen Fuel Cell

Question 1

Fuel cells generate electricity at efficiencies of 40 percent and ____ with cogeneration systems that use the excess heat.

A) 50 percent
B) 65 percent
C) 80 percent
D) 95 percent

Answer 1

C

Question 2

What are three ways in which the term fuel cell is used?

Answer 2

The term fuel cell can be used for a single cell or a complete stack of cells connected in series or a complete generator system that can have many stacks in series parallel configuration.

Question 3

How was Sir William Grove's device constructed?

Answer 3

Sir William Grove´s device was constructed with platinum electrodes placed in test tubes of hydrogen and oxygen, in a bath of dilute sulfuric acid.

Question 4

An electrolyzer uses electricity to free hydrogen from ____.

A) water
B) natural gas
C) methanol
D) LPG

Question 5

Fuel cells are classified by the type of electrolyte used.

Question 6

A single fuel cell consists of a(n) ____ sandwiched between two electrodes, an anode, and a cathode.

A) electrolyte
B) circuit
C) plate
D) membrane

Question 7

The fuel cell is an electrochemical energy conversion device that efficiently captures and uses the power of nitrogen.

Question 8

A hydrogen fuel cell is ____ source of DC current.

A) a very complex
B) the least recommended
C) a very efficient
D) a somewhat antiquated

Question 9

GE remains the world leader in fuel cell technology.

Question 10

In an interactive system, the inverter must provide for ____.

A) anti-statics
B) anti-islanding
C) anti-sliding
D) anti-slicing

Question 11

____ of the hydrogen currently produced today is from natural gas.

A) 50%
B) 65%
C) 80%
D) 95%

Question 12

What is the main characteristic of an exothermic reaction?

Question 13

What is fossil fuel reforming?

Question 14

The principle of the hydrogen fuel cell was discovered by German Scientist Christian Friedrich Schonbein.

Question 15

What is the role of Francis Bacon in the development of fuel cells?

Question 16

Fuel cells can be used in any application that we currently use ____.

A) geothermal energy
B) thermal energy
C) batteries
D) carbon

Question 17

The majority of stationary fuel cell systems made today are ____.

A) inexpensive systems
B) self contained units
C) low-technology systems
D) prohibitively bulky

Question 18

Fuel cells are quiet and have few moving parts.

Question 19

The "Micro Hydrogen" platform uses advanced micro-fluidics and innovative fuel cell architecture and a ____ hydrogen storage tank.

A) bulky
B) replaceable
C) dated
D) refillable

Question 20

In combination solar, wind and ____ plants can produce a never ending source of clean electrical power.

A) fuel oil
B) carbon
C) geothermal
D) hydro electric