Which of the following would be a reason why double-sideband AM is still so widely used?
A. SSB systems more complex
B. Power-savings
C. Noise advantages
D. Effective utilization of available frequency spectrum
A
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Fiberglass is inexpensive and stays clear as it ages
Indicate whether the statement is true or false
If the CPU request something from one of the devices is not ready, it issues a ______, a command to the CPU to wait for slower devices to catch up.
A. rest state B. hold state C. wait state D. think state
Technician A says that the secondary air injection (SAI) system forces air at low pressure into the exhaust to reduce CO (Carbon Monoxide) and HC (Hydrocarbon) exhaust emissions. Technician B says that exhaust check valves are used between the AIR pump and the exhaust manifold to prevent exhaust gases from flowing into, and causing damage to, the AIR pump and valves. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
How does the staging and sequence of operation for a dual fuel heat pump system differ from a traditional heat pump with electric strip heat?
What will be an ideal response?