Para evitar que el concreto se congele antes de que se complete el curado en agua fría, se pueden utilizar _____.

a. losas expandidas de
células plásticas
b. compuestos para curado
c. agua corriente
d. láminas plásticas


Answer: A

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Following certain standards and codes during the design process helps to ensure

a. safety b. reliability c. uniformity d. compatibility e. all of the above

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Intermittent faults with sensors usually set a(n) ____.

A. environmental data record B. freeze frame C. diagnostic trouble code (DTC) D. All of the above

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What are six applications for a commercial ice machine?

A) Hotels, hospitals, cruise ships, theme parks, home refrigerators, and soda machines B) Home refrigerators, grocery stores, restaurants, cafeterias, hotels, and hospitals C) Restaurants, cafeterias, hotels, hospitals, cruise ships, and theme parks D) Restaurants, cafeterias, home refrigerators, hotels, hospitals, and cruise ships

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Which of the following would be classified as an azeotropic refrigerant?

A. R-500 B. R-409A C. R-410A D. R-123

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