Exam 6: The X-ray Tube

High capacity tube rotors revolve at ______ rpm.

The _______ is/are outside the glass envelope.

Because of the line focus principal, the effective focal spot size decreases with decreasing _____________.

As an x-ray tube ages, the inside can become coated with tungsten, which can cause _____ in the tube.

The rotating anode is turned by a ____________.

Extrafocal or off-focus radiation is produced from ____________.

The effective focal spot size is _____________ the actual focal spot size.

Thermionic emission at the filament creates a __________.

The ___________ is the source of radiation in the x-ray tube.

The target of the rotating anode is usually coated with a ___________ alloy.

What is the most common cause of tube failure?

The negative side of the x-ray tube holds the ________.

The filament in an x-ray tube is about _____ cm in length.

The filament is made of __________.

Tube failure can occur from _______________.

Each tube has its own tube rating chart to show __________________.

Localized pitting or cracking on the anode can occur from _____________.

The most widely used support structure for the x-ray tube is the ______________.

The x-ray intensity is lower on the anode side of the tube because of the _________.

A dual focus tube has two _______.