A ground source heat pump system has a 415% efficiency. What is the heat output if the system uses 130 kW of power??
Fill in the blank(s) with the appropriate word(s).
539.5 kW
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All welds start with a(n) ____.
A. low temperature B. low voltage C. arc strike D. fuel set at five psig
Which phase of the construction workflow requires the contractor to determine the work requirements?
a. Bidding b. Construction c. Pre-construction d. Closeout
A simple tool that technicians can use to check for energized circuits is a:
A) Noncontact voltage detector. B) Wattmeter. C) Screwdriver with a good insulated handle. D) Digital storage oscilloscope.
What is the purpose of shutoff valves in the water loop of a water-source heat pump?
A) They allow you to service a water-source unit. B) They are used to shut off different loop zones in a zoned loop system. C) They allow water pressure to build. D) They keep water inside the piping system.