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LRA 222 Finals Review Questions And Correct Answers
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LRA 222 Finals Review Questions And Correct Answers...
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LRA 222 Finals Review Questions And Correct AnswersThe anode consists of the - Answer target and induction motor
The cathode consists of the - Answer Filaments and focusing cup
The motor that rotates the anode works by the principal of - Answer mutual induction
When the anode is rotated the focal spot becomes a focal - Answer track
The focusing cup is able to keep the electrons together because - Answer like charges
repel
The stator consists of electromagnets. - Answer True
Prep the rotor but do not make an exposure, on a routine basis is a cause of tube
damage or failure. - Answer True
The effective focal spot is smaller than the actual focal spot because the face of the
anode is angled. - Answer True
Besides the oil around the tube, mechanical fans assist in dissipating the heat
generated when creating x-rays - Answer True
The primary power switch is on the _________ primary circuit
The high voltage transformer primary side is on the _________ primary circuit
, The timer circuit is on the _________ primary circuit
The step-down transformer is on the _________ filament circuit
The device that regulates the incoming power supplied to the x-ray circuit to maintain
220 V. is called the _________ line compensator
The devices that change alternating to direct current are the - Answer rectifiers
The purpose of the filament circuit is to - Answer boil electrons off the filament
(thermionic emission)
The major purpose of the step-down transformer is to - Answer increase the amperage
going to the filaments
Put the following events, in order, that lead to the production of x-rays, from first to last:
I. alternating current is converted to direct current
II. voltage is adjusted at the autotransformer
III. kilovoltage leaves the step-up transformer
IV. voltage goes to primary side of step-up transformer - Answer II, IV, III, I
Put the following actions that result in the generation of x-rays in chronological order
from first to last:
I. kilovoltage is rectified
II. voltage is adjusted at the autotransformer
III. anode and cathode develop large positive and negative charges
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