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RADT 1085 Final Exam Questions & Answers 2024/2025 $8.49   Add to cart

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RADT 1085 Final Exam Questions & Answers 2024/2025

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RADT 1085 Final Exam Questions & Answers 2024/2025 The changing of alternating current to direct current is known as what? - ANSWERSRectification What is the name of the closed path over which electric current flows? - ANSWERSCircuit What is a device called that allows current to flow in...

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  • November 11, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • RADT 1085
  • RADT 1085
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RADT 1085 Final Exam Questions &
Answers 2024/2025

The changing of alternating current to direct current is known as what? - ANSWERSRectification



What is the name of the closed path over which electric current flows? - ANSWERSCircuit



What is a device called that allows current to flow in only one direction? - ANSWERSConductor



Which type of rectification will supply the x-ray tube with the greatest power? - ANSWERSFull-wave



What is the voltage supplied to the autotransformer called? - ANSWERSLine voltage



What controls the incoming voltage to the autotransformer? - ANSWERSMain breaker switch



Which of the following is the most accurate timer? - ANSWERSElectronic timer



Tapping windings of the autotransformer to supply voltage to the step-up transformer is the purpose of
which of these? - ANSWERSkVp selector



If line voltage changes because of demands by other users, automatic adjustments are made to which of
the following? - ANSWERSLine voltage compensator



Which of the following is placed in the circuit in case of current changes during the exposure? -
ANSWERSBreaker switch



Where in the x-ray circuit is the timer located? - ANSWERSBetween the autotransformer and the step-up
transformer

, Most radiographic equipment manufactured today uses which type of x-ray generator? - ANSWERSHigh-
frequency



A high-frequency generator is operated at 100 kVp, 100 ms at 800 mA. What is the power rating? -
ANSWERS80 kW



What device would be used when the millamperage is set on the control panel? - ANSWERSRheostat



Which of the following meters does NOT register until an x-ray exposure is made? -
ANSWERSMilliammeter



Which of the following types of current supplies the x-ray tube? - ANSWERSPulsating direct current



What effect does adjusting the filament control have on the production of x-rays? - ANSWERSControls
the quantity



Which of the following is the current indicated by the millimmeter? - ANSWERSTube current



The incoming line voltage is 220 volts. 55% of the turns on the autotransformer are used. What is the
voltage sent to the step-up transformer? - ANSWERS121 volts



How many solid state rectifiers are needed to produce a single-phase, full-wave rectified current? -
ANSWERS4



If a full-wave rectified current has 60 cycles per second, how many pulses per second cross the x-ray
tube? - ANSWERS120



A solid-state rectifier is primarily made of which of the following substances? - ANSWERSSilicon



To produce equal density and contrast, exposure to the patient with three-phase equipment is ____
compared to single-phase. - ANSWERSEqual

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