Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'X - Ray Technician Grade-II' And exam conducted in the year 2022. And Question paper code was '109/2022'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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A rectifier :
(A) Converts direct current to alternating current
(B) Rectify and stabilises fluctuation in voltage
(C) Allows current to flow in both directions
(D) Allows current to flow in one direction only
Photoelectric effect yields :
(A) characteristic radiation 03) anegative ion
(0) a positive ion (D) all of the above
All among the following increases attenuation except :
(A) Energy of radiation (B) Density of absorber
(C) Atomic number of absorber (D) Electrons per gram of absorber
The amount of scatter radiation reaching an X-ray film increases with increasing :
(^) Field size (2) Part thickness
(೮) Kilovoltage ൯) Allof the above
Grid ratio is :
(4) Total radiation (primary and scatter) absorbed by a grid
(B) Primary radiation absorbed by a grid
(C) Scatter radiation absorbed by a grid
(D) Ratio of the height of lead strips to the distance between them
Temporal filtering is a technique for :
(ಹ) Noise smoothing (B) Edge enhancement
(C) Subtraction (D) None of the above
In MRI image noise is decreased by all except :
(^) Short TE (B) Smaller voxel size
(C) Larger number of averages (D) Surface coils
In MRI, the slice thickness is selected by :
(^) Slice selection gradient (B) Frequency of RF pulse
(C) Bandwidth of RF pulse ൯) Allof the above
In MR imaging, short TR and short TE gives :
(ಹ) T1 weighted images (3) T2 weighted images
(C) Proton Density (PD) images (D) FLAIR images
5 109/2022
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