During signal processing, the RF signal is usually converted to a lower frequency by mixing the RF with an oscillator. This new frequency is known as the
A) drop-down frequency B) intermediate frequency
C) reference frequency D) internal frequency
B
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Capillary movement is made possible by the processes of cohesion and adhesion
Indicate whether the statement is true or false
A digital meter that can show waveforms is a ________
A) DMM B) DSO C) DVOM D) GMM
Technician A says a torx driver will have greater turning power and less slippage than a standard screwdriver. Technician B says adjustable pliers are used to remove clips and wires. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B
With direct-acting solenoid valves, the port size of the valve is limited by _____
a. power limitations of the coil b. the refrigerant type c. the operating pressure d. the ambient temperature