RT Level 1 :: ASNT/NDT Mock Test Practice Quiz | NDT Radiographic Testing MCQ’s Part-1

Non-Destructive Testing: 50′ Questions for Conduct of Examinations at NDT RT Levels-1

Radiographic Testing Level -1 (RT-1) General Examination Part-1

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RT Level 1 :: NDT Mock Test Practice Quiz MCQ’s Part-1


Another name for a penetrameter is:



The film processing step in which the undeveloped silver bromide is removed from the film emulsion is called:



A casting flaw which is formed when two masses of molten metal flowing from different directions flow together but fail to fuse is called:



One half-value layer of lead for Iridium-192 is approximate:



Most scattered radiation which adversely affects the radiographic image quality originates:



What is the minimum age in years at which a person may perform radiography :



A radiation producing device that emits radiation of one or a few discreet wavelengths is:



Thicker materials would normally be inspected using:



A wetting agent is used in film processing to



Radiography of tubular sections using a double-wall, double viewing technique is mainly applicable to sections:



Which of the following is an isotope not artificially produced for industrial use:



Approximately what energy X-ray machine would be required to have penetrating power equivalent to a Cobalt-60 source:



48 Which of the following is the correct formula to use for calculating geometric unsharpness if F=source size, T=specimen thickness, D=source to object distance and Ug =geometric unsharpness:



Which type of film would exhibit the coarsest grain?



Reticulation may be the result of:



Film intensifying screens are normally used to:



The silver nitrate spot test can be used to:



Pinhole radiography would be used to:



Which of the following correctly expresses the inverse square law if I1=dose rate nearest source, I2 =dose rate furthest from the source, D1=distance nearest to source and D2=distance furthest from the source:



Which of the following types of radiation is particulate?



An effect of scattered radiation is to:



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



Radiographic enlargement to distinguish small defects is possible:



Most of the energy applied to an X-ray tube is converted into:



Higher X ray tube voltages result in:



The normal range of steel that is radiographed using Ir-192 is:


Which of the following statements should be true to achieve the highest level of radiographic sharpness (definition)?



Which of the following is the most common method of packaging film?


Which one of the following steps is necessary to dissolve the undarkened silver salt crystals in the film emulsion:



A detrimental effect of fluorescent screens might be:



The penetrating power of an X-ray machine is indicated by:



Which of the following is a function of lead screens?



One half-value layer of lead for Cobalt-60 is approximate:



Which of the following viewing conditions is most desirable for interpreting radiographic film?



A densitometer is an instrument that measures:



A linear accelerator is used to produce X rays having energy in the range of:



The main advantage of having a small focal spot on an X-ray tube is:



The intensifying action of lead screens is caused by:



The difference in densities seen on a radiograph due to section changes in an item is:



An advantage of a gamma-ray source is:



The focal spot size of an X-ray machine must be known in order to determine:



A silver nitrate spot test might be used to:



A straight, dark line in the center of the film of a weld cap would probably be:



Cobalt-60 is produced by:



X-ray intensity is a function of :



What is the most important factor in determining the archival quality of the radiographic film?



How is the wavelength of scattered radiation compared to the primary beam?


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