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physics ch 5 quiz qu

QuestionAnswer
primary purpose of the glass envelope of an xray tube is to provide a vacuum
the protective housing of an xray tube is designed to reduce the hazard of leakage radiation
diagnostic xray tube is an example of which of the following diode (cathode and anode)
the large filament is used during radiography when the heat load is high and visibility of detail is less important
most xray tubes, there are two filaments to provide two focal spots
once filament temp becomes adequate, a further small rise in filament temp will cause the tube current to increase a lot
the cathode beam of an xray tube is the focused electron beam within the tube
most xrays tubes used for radiography are dual focus tubes
when the filament burns out... the filament current goes up
the space charge effect is occurs in the vicinity of the CATHODE
stationary anode xray tube incorporates the line focus principle
heel effect occurs because of the xray absorption in the anode
the main reason for using the line focus principle is to reduce focal spot size
small target angles result in which of the following small focal spot size
tungsten is the choice material for xray anodes because of its high atomic number (z)
effective focal spot is smaller than the actual focal spot
what is a component of an electromagnetic induction motor stator
necessary properties of xray target material include which of the following high melting points
what is an advantage of the rotating anode tube over the stationary tube higher heat capacity
what components of the tube is on the positive side of the tube anode (stator)
as the anode target angle increases effective focal spot increases
stationary anodes will most likely be used in which of the following dentistry (non diagnostic)
what is not a function of the anode thermionic emission
high frequency= 1.45
3p 6pulse= 1.35
3p 12pulse= 1.41
Created by: savyj
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