Carlton Adler
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Current is |
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| liberated as heat
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| inhibit movement of electrical charge
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| If the distance between two electrical charges is doubled, the force between them is |
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| Resistance is | the opposition to the flow of electrons
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| If a conductor is positively charged | is deficient in electrons
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| The mA is a unit of | current
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| A magnetic field is produced by | electric charges in motion
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| A diode electron tube | can be used for rectification
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| The process of electrons being emitted from heated metallic surfaces is called | thermionic emission
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| A generator is a device that converts | mechanical energy into electrical
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| A simple DC generator has essentially the same construction as an AC generator except that a DC generator has | a commutator
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| A rectifier | converts AC to DC
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| A motor is a device that converts | heat energy into electrical energy
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| A bar magnet and a wire loop move with the same linear velocity. What is the voltage induced in the wire? | zero
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| Conventional current flows | from anode to cathode
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| Where is the stator of the anode induction motor located | outside the glass envelope and outside the rotor
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| The exposure shift on an x ray machine is intended to | both initiate and terminate the exposure
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| The exposure switch is found between the | autotransformer and the timer circuit
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| All of the following are radiographer-operated controls except | generator selection
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| The advantage of a curved top radiograph table is the | smaller object image distance
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| The Bucky tray consist of | a moving 17X17 grid
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| Backup time | cannot exceed the tube limit and should not be set at 150 percent of expected manual mAs
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| Radiographic rooms equipped with a tilting table are primarily designed for performing __ procedures | diagnostic and fluroscopic
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| The height of the average radiographic tabletop to the floor is __ inches | 40
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| Tube suspension systems include which of the following | overhead tube suspension, mobile tube suspension system and c arm tube suspension
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| Which tube suspension system offers the greatest multidirectional movement? | overhead tube suspension
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| Nearly all x ray equipment operate from an incoming line of | 210v
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| When full wave rectification is applied to three phase current, a __ ripple is produced | voltage
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| Ancillary equipment for tilting tables includes | a footboard, handgrips, and shoulder supports
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| The diagnostic x ray range is qpproximately | 10 to 1,200 mA, 0.001 - 10 seconds, and 25 to 150 kVp
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| The incoming line current is supplied | to approximately 60 volts
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| An indicated current in a wire loop | can result only from an alternately expanding and contracting magnetic field
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| A stator consist of | electromagnets
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| Electric potiental is measured in | volts
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