chapter 6 rad. physics

Question 1

what part of the X-ray tube is made out of nickel?

Answer 1

focusing cup of the x-ray tube on the cathode Side

Question 2

how much current is needed to create a space charge

Answer 2

3-6 amps

Question 3

where does the current from the filament heating come from?

Answer 3

step-down transformer; filament transformer; isolating transformer

Question 4

the target angle is?

Answer 4

7-17 (12)

Question 5

what makes the rotor rotate the anode

Answer 5

the magnetism from the gators and the electricity (electromagnetic) p.s this is mutual induction motor

Question 6

where Is the stator located in the X-ray tube

Answer 6

outside the envelop

Question 7

what are the two main tube interactions

Answer 7

bremsstrahlung and characteristic

Question 8

what is the distance between the filament and the target?

Answer 8

about 1cm

Question 9

which tube interaction is not ionizing?

Answer 9

Bremsstrahlung

Question 10

what is caused to the anode by repeated heating from multiple exposure?

Answer 10

anode pitting

Question 11

what is caused by exposure without tube warm-up?

Answer 11

cracking of the anode

Question 12

what is a great warm-up technique for the imaging system?

Answer 12

long exposure time and low kVp

Question 13

what is noted on a tube rating chart

Answer 13

rpm, unit phase, fss, target angle