Radiographic Inspection Equipment-UR Flashcards
Which x-ray unit component houses the interlock plug?
control unit
what do you use to lubricate the coolant pump assembly?
soluble oil
where are the electrical connection on the x-ray tube head made?
on the end opposite the target
what type of insulating gas is used on x-ray tube heads?
SF6 (Sulfur hexafluoride)
Why must the SF6 cylinder be in the upright position while recharging a tube head?
to prevent liquid from getting into the tube head
in which step of the computer radiography (CR) process is the plate subjected to a very small laser beam?
scanner
in addition to the elimination of film and chemical costs, a transition to computer radiography system creates additional saving in all the following except .... (A) processing time (B) exposure time (C) archival time (D) rinse time
D. rinse time
What is formed as a result of the exposed film being treated with a developer solution?
black or gray metallic silver
What type of radiographic film should show sharply graduated changes in density?
film with high contrast
What is the opposite film characteristic of contrast?
latitude
an x-ray film storage area should not exceed …
60 percent humidity and 75 degrees Fahrenheit
to prevent fogging of film during development, safelight bulbs should …
not exceed the manufacturer’s recommended wattage
Given the same type of film, in which condition will it be the the most sensitive to safelight illumination?
exposed dry
what is the approximate time an automatic processor takes to produce ready to read radiographs?
11 to 13 minutes
what is the normal operating temperature of an automatic processing dryer?
120°F to 140°F
