Non Destructive Testing and Evaluation MCQs | Page - 99

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Mr. Dubey • 52.26K Points
Coach

Q. A linear accelerator is used to produce X rays in what range?

(A) Several MeV
(B) 50-500 keV
(C) 500-1000keV
(D) 0-50 keV
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M

Mr. Dubey • 52.26K Points
Coach

Q. For a particular isotope, gamma radiation intensity is determined by:

(A) Type isotope used
(B) Energy level of gamma rays in source
(C) Source strength in curies
(D) None of the above
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M

Mr. Dubey • 52.26K Points
Coach

Q. A term used to describe the range of radiation intensities falling on the film during exposure is:

(A) Film contrast
(B) Radiographic contrast
(C) Subject contrast
(D) Radiographic sensitivity
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M

Mr. Dubey • 52.26K Points
Coach

Q. An expression which is used to describe the slope of a film characteristic curve is:

(A) Film latitude
(B) Film contrast
(C) Film sensitivity
(D) Film gradient
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M

Mr. Dubey • 52.26K Points
Coach

Q. Which of the following factors affect film graininess?

(A) Wavelengths of radiation
(B) Film processing conditions
(C) Film speed
(D) All of the above
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M

Mr. Dubey • 52.26K Points
Coach

Q. The amount of radioactivity which corresponds to 3.7 × 1010 disintegrations per second is called:

(A) 0.01 gray (1 rad)
(B) 1 Farad
(C) 37 GBq (1 curie)
(D) 10 mSv (1 roentgen)
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