In AC circuits containing only resistance, _____.
a. all DC rules and laws apply, including Ohm's law
b. no DC rules and laws apply
c. only Kirchhoff's law applies
d. Ohm's law is 90° out of phase
a. all DC rules and laws apply, including Ohm's law
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Two variables that have a great impact on the system performance of air conditioning systems are:
A) Return-air wet-bulb temperature and the airflow across the evaporator. B) High-side pressure and airflow across the condenser. C) Airflow across the condenser and condenser water flow. D) High-side pressure and condenser water flow.
What is the length of pipe needed if two 11/2" copper pipes must be connected at a 45° offset 24 inches apart? The fitting allowance is 1/2".
What will be an ideal response?
A sign shall be posted and maintained within each stair enclosure, indicating the number of the floor. The sign shall be posted
A. on every other floor B. on every odd numbered floor C. on every third floor D. on every floor
Fine fescues generally require a ____________________ level of maintenance
Fill in the blank(s) with correct word