Tradionally, radio frequency signal generators operate in the range of
A) 100 kHz to 5 GHz B) 500 kHz to 5 GHz C) 100 kHz to 1 GHz D) 10 kHz to 1 GHz
C
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One design function of a transmission is to produce torque.
Answer the following statement true (T) or false (F)
Which of the following statements best describes the reason the Code specifically requires bonding of conductive enclosures for service conductors?
A. Equipment on the line or supply side of the service disconnecting means is not provided with overcurrent protection. B. An effort is being made to keep all equipment at the same potential to reduce shock hazard. C. Such bonding will allow overcurrent protection provided by the utility company on the secondary of its transformer to clear. D. Such bonding will facilitate the operation of the main circuit breaker in the service equipment.
Larger fan coil units are most commonly used to condition
A) Hotel and motel rooms B) Schools C) Factories D) Offices and stores where common air distribution is feasible
The __________ is the most popular heat source used by air conditioning, heating and refrigeration technicians.
A. air-acetylene torch B. MAPPTM gas torch C. propane gas torch D. oxy-acetylene Torch