X-ray Tube Design

The cathode holds what charge?

• Positive +

• Negative -

• Neutral (No charge)

Which of these makes up the tube housing? (multiple answers)

• High Tension Transformer

• Refined Oil

• Thermal Cut Out Switch

• X-ray Tube Insert

The X-ray Tube Housing is Lined with What to Prevent Radiation Leakage?

• Refined Oil

• Steel

• Aluminium

• Lead

The cathode filament is made of which element?

• Molybdenum

• Copper

• Tungsten

• Rhenium

Which piece of equipment encourages repelled electrons to align to a single focal spot?

• Focussing Cup

• Anode

• Fine Focus Filament

• Rotor

What is the atomic number of Tungsten?

• 37

• 74

• 128

• 180

How do we expel heat from the tube insert? (multiple answers)

• By use of the rotating anode

• By conduction of copper block

• By conduction through the refined oil surrounding the insert

The Glass Envelope creates a Vacuum around the tube insert. Why is this good? (mutiple answers)

• Creates an absence of air increasing X-ray Production Efficiency

• Prevents Oxidation/Damage to tube insert components

• Creates a clear electron path to the target

• It helps cleans the inside of the x-ray tube insert