Which type of engine coolant offers the best protection against liner cavitation erosion?

A. PG
B. ELC
C. EG
D. WEC


Answer: D

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The writer who faded to obscurity in the nineteenth century but was recognized as one of America's greatest literary geniuses in the 20th century and wrote the masterpiece work of fiction, Moby Dick, was

A. Nathaniel Hawthorne. B. Henry David Thoreau. C. Henry Wadsworth Longfellow. D. Herman Melville. E. Walt Whitman.

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The minimum ampacity for a feeder supplying ten 30A shore power receptacles in a marina is _____.

a. 30A b. 120A c. 240A d. 300A

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La función _____ es ofrecer servicio eléctrico al esquema del plano de planta de la Figura 1.

a. del contratista eléctrico b. del ingeniero eléctrico c. de la compañía de servicios públicos d. del arquitecto

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?What is the term used to describe the process of replacing some of the atoms in a crystal lattice with other metal atoms?

A. ?Solid-solution hardening B. ?Precipitation hardening C. ?Recrystallization D. ?Normalizing

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