NEC Article 430 covers _____.
a. the application and installation of motors
b. provisions for motor-driven equipment
c. general information on grounding
d. thermal protection requirements
a. the application and installation of motors
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The normal color of a horse's urine is ____.
A. wheat-straw B. dark red C. light yellow and cloudy D. brown
Process drawings include (select all that apply):
a. Plot plans b. Block flow diagrams c. Process flow diagrams d. System diagrams
Which of these devices is used for energy conservation?
a. Humidifier b. Electronic air cleaner c. Heat recovery ventilator d. Chiller
A compressor pump down is performed in order to change the compressor oil. With the unit operating in high speed cool:
A. Front seat the receiver tank outlet valve B. Front seat the suction service valve C. Front seat the discharge service valve D. Front seat the bypass check valve