LRA 222 FINAL EXAM NEWEST 2024-2025 ACTUAL EXAM
NEWEST 150 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
1. The anode includes the
A. targetB. induction motorC. envelopeD. target and induction motor -
(answer) D. target and induction motor
2. The cathode includes the
A. envelopeB. filamentsC. focusing cupD. filaments and the focusing cup
- (answer) D. filaments and the focusing cup
3. The motor that turns the anode operates through
A. the use of a transformerB. the physical connection between rotor
and statorC. self-inductionD. mutual induction - (answer) D. mutual
induction
4. With a rotating anode, the focal spot becomes a focal
A. pathB. stripeC. track d. circle - (answer) C. track
5. The focusing cup is able to keep the electrons together because
A. opposite charges repelB. opposite charges attractC. like charges
repelD. like charges attract - (answer) C. like charges repel
,6. The stator is made up of electromagnetsA. TrueB. False - (answer)
A. True
7. Prepping the rotor but not making an exposure on a regular basis is
related to tube damage or failureA. TrueB. False - (answer) A. True
8. The effective focal spot is smaller than the actual focal spot because
the face of the anode is angledA. TrueB. False - (answer) A. True
9. In addition to the oil surrounding the tube, mechanical fans help to
eliminate the heat produced during x-ray production - (answer) A.
True
10. The main power switch is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. primary circuit
11. The primary side of the high-voltage transformer is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. primary circuit
12. The timer circuit is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. primary circuit
, 13. The step-down transformer is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. filament circuit
14. The device that adjusts the incoming power supplied to the x-ray
circuit to maintain 220 V is the
A. circuit breakerB. autotransformerC. timer circuitD. line compensator -
(answer) A. line compensator
15. The devices that change alternating to direct current are the
A. transformers
B. filaments
C. rectifiers
D. rheostats - (answer) A. rectifiers
16. The purpose of the filament circuit is to
A. produce high voltage
B. provide direct current to the x-ray tube
C. boil electrons off the filament
D. reduce the current reaching the filament - (answer) C. boil
electrons off the filament
NEWEST 150 QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
1. The anode includes the
A. targetB. induction motorC. envelopeD. target and induction motor -
(answer) D. target and induction motor
2. The cathode includes the
A. envelopeB. filamentsC. focusing cupD. filaments and the focusing cup
- (answer) D. filaments and the focusing cup
3. The motor that turns the anode operates through
A. the use of a transformerB. the physical connection between rotor
and statorC. self-inductionD. mutual induction - (answer) D. mutual
induction
4. With a rotating anode, the focal spot becomes a focal
A. pathB. stripeC. track d. circle - (answer) C. track
5. The focusing cup is able to keep the electrons together because
A. opposite charges repelB. opposite charges attractC. like charges
repelD. like charges attract - (answer) C. like charges repel
,6. The stator is made up of electromagnetsA. TrueB. False - (answer)
A. True
7. Prepping the rotor but not making an exposure on a regular basis is
related to tube damage or failureA. TrueB. False - (answer) A. True
8. The effective focal spot is smaller than the actual focal spot because
the face of the anode is angledA. TrueB. False - (answer) A. True
9. In addition to the oil surrounding the tube, mechanical fans help to
eliminate the heat produced during x-ray production - (answer) A.
True
10. The main power switch is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. primary circuit
11. The primary side of the high-voltage transformer is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. primary circuit
12. The timer circuit is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. primary circuit
, 13. The step-down transformer is found on the
A. primary circuitB. secondary circuitC. filament circuitD. none of these -
(answer) A. filament circuit
14. The device that adjusts the incoming power supplied to the x-ray
circuit to maintain 220 V is the
A. circuit breakerB. autotransformerC. timer circuitD. line compensator -
(answer) A. line compensator
15. The devices that change alternating to direct current are the
A. transformers
B. filaments
C. rectifiers
D. rheostats - (answer) A. rectifiers
16. The purpose of the filament circuit is to
A. produce high voltage
B. provide direct current to the x-ray tube
C. boil electrons off the filament
D. reduce the current reaching the filament - (answer) C. boil
electrons off the filament
