lmrt core prep exam questions &
answers 2023/2024
Units for-
Force
Power
Energy
Current
Electrical Charge
Capacitance - ANSWER-Newton
Joule
Watt
ampere (amps)
Volts
Farads
What is hysteresis loss? - ANSWER--(Lagging loss) in the core because energy is expanded as the
continually changing Ac current magnetizes, demagnetizes, and remagnetizes the core material .
Which type of generator has voltage that never drops to zero? - ANSWER--Multiphase Generator
What emerges from the port window and what type of voltage does the cathode receive? - ANSWER--
Useful beam
-Electrons (-)
How can tube life be extended? - ANSWER--Buttons pressed fully
-Warming up the tube
, What are features of the main X-ray circuit - ANSWER--adjust amperage
-adjusts voltage
-Increase efficiency of x-ray production
What is a component of the secondary side or high voltage side of an x-ray circuit? - ANSWER--
Rectification System
Two Types of electrical charges - ANSWER--Protons
-electrons
Which device is adjusted when the KVP is selected on the control panel? - ANSWER--Autotransformer
Frequency and Wavelength have what type of proportional relationship? - ANSWER--They are inversely
proportional
Wave length
Frequency - ANSWER--is the distance between any two successive points on a wave
-is the number of waves that passes a particular point in a given time frame or number of cycles per
second
How an object can be electrified? - ANSWER--contact
-friction
-induction
Potential and kinetic energy fall under _________
1.chemical
2.nuclear
3.mechanical - ANSWER--Mechanical energy
answers 2023/2024
Units for-
Force
Power
Energy
Current
Electrical Charge
Capacitance - ANSWER-Newton
Joule
Watt
ampere (amps)
Volts
Farads
What is hysteresis loss? - ANSWER--(Lagging loss) in the core because energy is expanded as the
continually changing Ac current magnetizes, demagnetizes, and remagnetizes the core material .
Which type of generator has voltage that never drops to zero? - ANSWER--Multiphase Generator
What emerges from the port window and what type of voltage does the cathode receive? - ANSWER--
Useful beam
-Electrons (-)
How can tube life be extended? - ANSWER--Buttons pressed fully
-Warming up the tube
, What are features of the main X-ray circuit - ANSWER--adjust amperage
-adjusts voltage
-Increase efficiency of x-ray production
What is a component of the secondary side or high voltage side of an x-ray circuit? - ANSWER--
Rectification System
Two Types of electrical charges - ANSWER--Protons
-electrons
Which device is adjusted when the KVP is selected on the control panel? - ANSWER--Autotransformer
Frequency and Wavelength have what type of proportional relationship? - ANSWER--They are inversely
proportional
Wave length
Frequency - ANSWER--is the distance between any two successive points on a wave
-is the number of waves that passes a particular point in a given time frame or number of cycles per
second
How an object can be electrified? - ANSWER--contact
-friction
-induction
Potential and kinetic energy fall under _________
1.chemical
2.nuclear
3.mechanical - ANSWER--Mechanical energy
