What is the minimum current rating for the disconnect switch of a unit with a minimum circuit ampacity rating of 45 A?
A) 45 A × 1.25 = 56.25 A
B) 45 A × 1.15 = 51.75 A
C) 45 A
D) 45 A × 1.5 = 67.5 A
B
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Explain the features of the fuel cell built by Ludwig Mond and Charles Langer during the last decades of the 19th century.
What will be an ideal response?
Which of the following measurement(s) demonstrated the growing inequality in America from the mid-1960s to 2012?
A. Some 46.5 million Americans or 15 percent of all Americas remained mired in poverty in 2012, and the poverty rate among Hispanics and African Americans was even higher in 2012. B. The top five percent of income earners saw their share of the national income grow from about 15 percent in 1968 to approximately 22 percent in 2012. C. The top one percent saw their share of national income increase from about eight percent to approximately 19 percent in 2012. D. The income earned by chief executives was 20 times as much as the average worker in their corporations; in 2012, they earned 273 times as much as the average company worker. E. All of these choices are correct.
The term cut refers to any process, such as shearing, punching, laser, water jet, or similar process that is used to remove material.
Answer the following statement true (T) or false (F)
Suction line filters are generally designed:
A) To be removed after the system is clean. B) For biflow capability in heat pumps. C) To be interchangeable with liquid line driers. D) To stay in the system permanently once installed.