LMRT Core Review Questions and Correct
Answers/ Latest Update / Already
Graded
Quiz: Where is the stator of the anode induction motor located?
Ans: O/S the glass envelope& inside the rotor
The exposure switch is found between the
Ans: Autotransformer & the timer circuit
The electrical device used to adjust the mA selection is a/an
Ans: Variable resistor
The timer control is found b/w the
Ans: Incoming line & the step-down transformer
The kVp control is found b/w the
,2 | Page
Ans: Incoming line & the exposure switch
All of the following are radiographer-operated controls EXCEPT
Ans: Rotor speed
The key advantage of a curved-top radiographic table is the
Ans: Smaller Object Image Distance (OID)
When using AEC at 80 kVp, b/u times
Ans: Must not exceed 600 mAs
All of the following are XR tube support systems EXCEPT
Ans: Fluoroscopic tower
Nearly all the types of XR equipment operate from an incoming line
of
, 3 | Page
Ans: 210V
When full-wave rectification is applied to 3-phase current, a_ ripple is
produced.
Ans: Voltage
A 3-phase, rectified current produces a voltage ripple of_ pulses per
Hz.
Ans: 6
Ancillary equipment for titling tables includes
Ans: Handgrips
All of the following are desired features radiographic tables EXCEPT
Ans: Low abrasion surface to lessen patient slippage as they transfer
Automatic exposure control (AEC) technology determines