Field beans are native to:
a. Asia c. Africa
b. Europe d. the Americas
D
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Which of the following ratios represents the approximate amplification ratio used on the DDC DD-Series ACRS engines?
A. 2:1 B. 3:1 C. 4:1 D. 7:1
A car has come into a shop with an engine misfire. A power balance test has been performed with the following results.Cylinders 1 2 3 4RPM Drop 10 150 145 155Technician A says that cylinder 1 may have low compression. Technician B says that cylinders 2-3-4 are not working properly. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Which of the following statements about ammonia as a refrigerant is true?
a. Ammonia is slightly less efficient in heat transfer than halocarbon refrigerants. b. Ammonia costs more than other common refrigerants. c. Ammonia is poisonous and must be handled with extreme care. d. Ammonia piping cannot be constructed from copper.
_____ is a term meaning that the mortar has adhered to the masonry unit.
A. Dry B. Set C. Bond D. Seal