Large rooftop package AC units often use ________ sensors to help draw in fresh air to meet code requirements and to cool if temperature and humidity permit
A) Enthalpy B) Low pressure C) Economizer D) Airflow
C
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When the CAD cell is in darkness, it will have a very high resistance of several ____ ohms.
a. hundred b. thousand c. hundred thousand d. million
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Who provides essential safety equipment for employees?
A. insurance company representatives B. OSHA representatives C. employers D. the employees
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When refueling a CNG vehicle, why is it recommended that the tank be filled to a high pressure?
A) The range of the vehicle is increased B) The cost of the fuel is lower C) Less of the fuel is lost to evaporation D) Both A and C
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In binary division, 1000 รท 0100 = ________
A) 0010 B) 0100 C) None of these D) 0001
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