The Lead Collimator

question 13

Multiple Choice

The lead collimator:

• A) absorbs heat produced in the generation of the primary beam
• B) restricts the size and shape of the primary beam
• C) removes long wavelengths of the primary beam
• D) stops production of the primary beam

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Definitions:

Electrostatic Discharge

The sudden flow of electricity between two electrically charged objects caused by contact, an electrical short, or dielectric breakdown.

DC Motors

Electric motors that run on direct current electricity, commonly used in various applications from small toys to large vehicles.

Relays

Electrically operated switches used to control circuits.

Fretting

Wear at the contact surfaces of two materials that occurs from repeated cyclical motion or vibration, often seen in electrical connections.