Low-voltage remote control switching relays use _____.
a. no coil
b. a split coil
c. a single coil
d. four coils
b. a split coil
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Which of the following fans would be appropriate for kitchen grease exhaust?
A) Horizontal blast utility set. B) Upblast roof ventilator. C) Upblast axial fan. D) Down blast roof ventilator.
In the identification system for mild steel FCAW electrodes, the letter "T" in the fourth position indicates ____.
A. the minimum tensile strength of the deposited metal B. the primary welding position for which the electrode is designed C. usability and performance capabilities D. a flux cored electrode
Regardless of the breed, all livestock and poultry breeders should strive for superior
breeding stock and concentrate upon improvement through sound genetic principles and practices. A. True B. False
If an air-conditioning system is operating with an 80°F return air temperature and a 50°F supply air temperature:
A) The large temperature drop indicates excessive airflow. B) You should be happy the air is so cold. C) The system is operating correctly. D) The large temperature drop indicates the airflow is less than required.