The practice of using a cooling coil with a higher capacity than the condensing unit is used in areas with _____.
a. high humidity
b. low humidity
c. low humidity but high dry-bulb temperatures
d. low humidity and low dry-bulb temperatures
c. low humidity but high dry-bulb temperatures
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Answer the following statement(s) true (T) or false (F)
1. A primary cell, when discharged, can be recharged by passing direct current through it in the proper direction. 2. In a traditional battery, glass, rubber, or other insulating materials are used as separators to keep the electrodes from making contact. 3. The voltage of a cell depends on the size and the number of plates. 4. It is a good idea to completely discharge a lead-acid battery before recharging.
What is the advantage of a non-contact voltage detector over a volt meter?
A) It can measure more than one electrical characteristic. B) It connects wirelessly to smartphones. C) It provides a more accurate reading. D) It does not have to contact the energized electrical circuit to indicate voltage.
A stepper motor with rotor pairs spaced 60 degrees apart and poles spaced 45 degrees apart will have steps that are
A) 5 degrees apart. B) 45 degrees apart. C) 60 degrees apart. D) 15 degrees apart.
The disadvantage of a host-based intrusion detection system (HIDS) is that it
a. can analyze any encrypted data if it is decrypted before reaching the target host. b. consumes resources on the host it resides on and slows that device down. c. monitors log files for inadvisable settings or passwords. d. monitors traffic on the host on which it is installed.