The expansion tank provides a means of removing the air from the system as well as provides ____.
A. a space for excess water from the supply source
B. water for the domestic hot water coil
C. a space for the water expansion and contraction with water temperature changes
D. All of the above.
Answer: C
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Regarding the provisions and implementation of the Treaty of Paris 1783, formally ending the American Revolutionary War
A. America faithfully adhered to each provision in the treaty's postwar implementation. B. France was extremely pleased with the western boundary results for America. C. America broke the assurances regarding treatment of the Loyalist property and repayment of debts owed to British creditors. D. Spain gained all the land in North America it wanted. E. Great Britain failed to demonstrate generosity and geopolitical acumen in negotiating the final northern, western, and southern boundaries of the newly created United States of America.
Answer the following statement(s) true (T) or false (F)
Asbestos-cement piping is considered a hazardous material and should be removed only by properly trained and qualified individuals.
Which of the following types of nipples fail to mature and have no opening?
a. pin c. inverted b. blind d. no answers
Which of the following is NOT an analog device?
A) a thermocouple B) a light switch C) an audio microphone D) a 10-turn potentiometer