corectec study questions

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1

The changing of alternating current to direct current is known as what?

A. Transformation

B. Rectification

C. Conversion

D. Electrification

Rectification.

2

what determines the transformer ratio?

A. Size of wire

B. Turns of wire

C. Type of wire

D.Current of wire

Turns of wire

3

Compared to a low ratio grid, a high ratio grid will do which of the following?

Absorb more primary radiation

Absorb more scatter radiation

Absorb less primary radiation

Absorb less scatter radiation

Absorb more scatter radiation

4

There are direct and indirect ways of capturing an x-ray image with flat-panel detector digital systems. Arrange the following in the order they are layered, from top to bottom, in an indirect flat-panel detector.

  1. Photodiode layer
  2. Fluorescent layer
  3. TFT layer

2, 1, then 3

5

How fast do high speed anodes rotate?

1,500 RPM

3,400 RPM

5,000 RPM

10,000 RPM

10,000 RPM

6

what device would be used when the milliamperage is set on the control panel?

Milliammeter

Rheostat

Autotransformer

Step-up transformer

Rheostat