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LRA 222 FINAL EXAM (50 QUESTIONS) WELL ANSWERED!!
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LRA 222 FINAL EXAM (50 QUESTIONS) WELL ANSWERED!!
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LRA 222 FINAL EXAM (50 QUESTIONS) WELLANSWERED!!
The first component to receive power in the x-ray circuit is the _____.
Answers :autotransformer
A step-down transformer is located in the _____ circuit.
Answers :Filament
Voltage across the x-ray tube is most constant with _____.
Answers :high frequency generators
The _____ circuit provides electrons for the x-ray tube current.
Answers :filament
The operating console contains circuits that are _____.
Answers :low voltage only
A single-phase waveform has _____ ripple.
Answers :100%
With half-wave rectification, the current flows through the x-ray tube during the
_____ part of the cycle.
Answers :positive
Full-wave rectified, three-phase units provide an x-ray beam at _____ pulse(es) per
second.
, Answers :360
The three main parts of the x-ray imaging system are the x-ray tube, _____, and
_____.
Answers :operating console, high voltage generator
The step-up transformer increases voltage _____ times.
Answers :500-1000
The x-ray beam generated by the circuit with the _____ voltage ripple has the
_____ quantity and quality.
Answers :lowest, highest
What is the industry standard formula for calculating high voltage generator
power?
Answers :power = max mA (@100 kVp and 100 ms) 100 kVp
Most mammography units operate with _____ generators.
Answers :high frequency
The principal disadvantage of three-phase equipment is _____.
Answers :cost
The high voltage generator contains the high voltage transformer, the _____, and
the _____.
Answers :timer, rectifiers
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