What is a simple method for troubleshooting series circuits?
A. Remove power
B. Splitting technique
C. Diagnostic tools
D. Resistance measurements
B
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Aggregate used to stabilize an access road for heavy equipment should have a diameter of _____.
a. 1 inch or less b. 2 to 4 inches c. 3 to 6 inches d. 5 to 8 inches
A parallel circuit has three resistances: 10, 2, and 5 ohms. Circuit voltage is 14.5 volts. What is the total current flow of this circuit?
Fill in the blank(s) with the appropriate word(s).
Why is testing and balancing an important part of HVACR residential systems?
A) Because HVACR systems are not as efficient as they were in earlier decades B) Because HVACR systems are the largest energy appliances in a residence and energy costs have increased C) Because all new home construction must be certified D) Because it is the first and last step a technician must perform when working on HVACR systems
The type of test to be performed on a system is indicated in the _____
a. punchlist b. isometric drawing c. test report d. system drawings