Cold plates are usually filled with a ____.
A. brine solution
B. eutectic solution
C. sodium chloride or calcium chloride solution
D. All of the above.
Answer: D
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?A ________ must be chained securely in place before the valve protection cap is removed.
A. ?Shielding gas cylinder B. ?Flowmeter regulator C. ?Cooling water supply hose D. ?Welding power cable
Officials from the City of Galveston and State of Texas gathered to celebrate the start of a beach restoration project that involves dumping sand and adding antierosion structures. The first cost of the project is $30 million with annual maintenance estimated at $340,000. If the restored/expanded beaches attract visitors who will spend $6.2 million per year, what is the conventional B/C ratio at the social discount rate of 8% per year? Assume the State wants to recover the investment in 20 years.
What will be an ideal response?
Optional components found on the low side of a refrigeration system include:
A) Suction to liquid heat exchanger, economizer, oil level regulator. B) Discharge line muffler, oil separator, liquid receiver, and liquid line filter-drier. C) Suction line filter, accumulator, and evaporator pressure regulator. D) All optional components can be used on the low side of the system.
If the number of current-carrying conductors in a conduit exceed three, the ampacity of the conductors must be adjusting using _____.
a. NEC® Table 220.3 b. NEC® Table 310.15(B)(3)(a) c. NEC® Table 310.15(B)(16) d. NEC® Table 310.16