Which one is NOT a method of brake bleeding?
A) Pressure B) Vacuum C) Release D) Manual
C
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The classification of an area as being hazardous with regard to the installation of lighting fixtures is the responsibility of the insurance company, authority having jurisdiction, or _____.
a. owner b. NFPA c. electrician d. utility company
Power to the control transformer is controlled by the conditioned area thermostat.
Answer the following statement true (T) or false (F)
Match the symptom with all possible causes. Note: The choices can be used more than once.
A. refrigerant overcharge B. non-condensable gas in system C. defective condenser fan motor D. dirty condenser coil E. refrigerant undercharge F. blocked/dirty filter G. defective evaporator fan motor H. I. improper system balancing J. K.
What type of bearing should be used in a dirty environment?
A. roller bearing B. needle bearing C. sealed bearing D. plain bearing