LMRT Core Review| 92 QUESTIONS| WITH COMPLETE SOLUTIONS

Where is the stator of the anode induction motor located? correct answer: O/S the glass envelope& inside the rotor The exposure switch is found between the correct answer: Autotransformer & the timer circuit The electrical device used to adjust the mA selection is a/an correct answer: Variable resistor The timer control is found b/w the correct answer: Incoming line & the step-down transformer The kVp control is found b/w the correct answer: Incoming line & the exposure switch All of the following are radiographer-operated controls EXCEPT correct answer: Rotor speed The key advantage of a curved-top radiographic table is the correct answer: Smaller Object Image Distance (OID) When using AEC at 80 kVp, b/u times correct answer: Must not exceed 600 mAs All of the following are XR tube support systems EXCEPT correct answer: Fluoroscopic tower Nearly all the types of XR equipment operate from an incoming line of correct answer: 210V When full-wave rectification is applied to 3-phase current, a_ ripple is produced. correct answer: Voltage A 3-phase, rectified current produces a voltage ripple of_ pulses per Hz. correct answer: 6 Ancillary equipment for titling tables includes correct answer: Handgrips All of the following are desired features radiographic tables EXCEPT correct answer: Low abrasion surface to lessen patient slippage as they transfer Automatic exposure control (AEC) technology determines correct answer: Exposure time When compared to battery-powered portable radiographic units, capacitor discharge mobile units correct answer: Have a tendency to produce leakage exposure after exposure termination All of the following are related except one. Select the one that is NOT RELATED. correct answer: Thermionic Emission All of the following are preferred cathode filament materials EXCEPT correct answer: Copper Filament materials are chosen primarily for their correct answ