BESC chap 20 Questions with Correct Answers
Which of the following is true regarding fuel cell technology - Answer-They are only about 40-45% efficient
A ____ is used to remove hydrogen from various fuels to be used in fuel cells. - Answer-Reformer
Which of the following is not normally co...
BESC chap 20 Questions with
Correct Answers
Which of the following is true regarding fuel cell technology - Answer-They are only
about 40-45% efficient
A ____ is used to remove hydrogen from various fuels to be used in fuel cells. - Answer-
Reformer
Which of the following is not normally considered a biomass fuel? - Answer-All of these
are biomass fuels
(Wood, Bark, Waste wood chips, Branches)
In the United States and Canada, the most common problem with using wood as a
major heat source is - Answer-None of these
Very few living trees are cut down for fuel in _____ because twigs, branches and crop
residues are used for fuel. However, in ______ the forests are nearly gone and even
fruit trees cut for fuel. - Answer-Pakistan; Haiti
_____ is being used to produce ethanol and lessen the dependence on oil. - Answer-All
of the above are being grown for ethanol production (Palm oil, corn, miscanthus grass,
soybeans)
Jatropha is a good source for biodiesel because - Answer-It's nuts have a high energy
content
Manure or dung makes a good fuel except that it is - Answer-Needed to rebuild the soil
Burning methane form dung - Answer-All of these
Since the 1920s, hydropower production has - Answer-Risen, but not as fast as fossil
fuel use
Siltation and decreased water quality are especially significant problems with - Answer-
Huge dams on major rivers
Low-head hydropower involves ____ dams on ___ rivers - Answer-small; minor
Some highly efficient turbines can be submerged directly in a river and require only
______ to operate - Answer-Run-of-the-river flow
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Scholarsstudyguide. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £9.69. You're not tied to anything after your purchase.
