What is the difference between an 80% efficient furnace and a 90% efficient furnace?
What will be an ideal response?
90% furnaces have an extra recuperative heat exchanger that condenses water out of the flue gas.
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What does ANSI stand for?
a. Association for Normalization and Standards in Industry b. American National Standards in Industry c. American National Standards Institute d. American Nuclear Science Institute e. Association of Nerds in Science and Industry
The benefits of farm programs:
a. Go to large landowners who do not need them. b. Lead to high farm prices. c. Get capitalized into the value of fixed assets such as land. d. Go primarily to consumers. e. Go primarily to small farmers.
____________________ is the most modern method for carburetion in today’s power equipment engines.
Fill in the blank(s) with the appropriate word(s).
What low-cost product can be used to prevent wood from sticking to concrete and also permits easy
removal of the forms?
a. chemical compound c. dry powder b. vegetable oil d. used motor oil