Top 150+ Solved Radiographic Testing Level 1 MCQ Questions Answer
Q. A change in which of the following parameters would necessitate the construction of anew X ray exposure chart?
a. X ray machine used
b. Film type
c. Focal spot to film distance
d. Any of the above
Q. The ASTM penetrameter for a 25 mm thick test piece contains holes of what sizes?
a. T, 2T, 3T
b. 2T, 3T, 4T
c. T, 2T, 4T
d. T, 3T, 4T
Q. The minimum size hole in an ASTM penetrameter is:
a. 0.127 mm (0.005inches)
b. 0.254 mm (0.010 inches)
c. 0.508 mm (0.020inches)
d. 0.762 mm (0.030 inches)
Q. A radiographic sensitivity level of 2-2T means that:
a. The #2 hole in a #2 penetrameter must be visible on the film
b. The 2T hole in a penetrameter which is 2% of the test piece thickness must be visible on the film
c. The 2T hole in a #2 penetrameter must be visible on the film
d. Two penetrameters which are each 2% of the test piece thickness must be used
Q. What is the most desirable temperature for manual developer solutions?
a. 15.5oC(60oF)
b. 20oC (68oF)
c. 22.2oC (72oF)
d. 26.6oC (80oF)
Q. What is the longest period of time which should elapse between complete changes ofdeveloper solution?
a. 1 week
b. 2 weeks
c. 1 month
d. 3 months
Q. A possible result of failing to use a stop bath during manual development is:
a. Streaking of the film
b. Underdevelopment of the film
c. Contamination of the developer solution
d. Developer solution drag-out
Q. Mottled film may result from:
a. Inadequate agitation of the film during development
b. Inadequate water rinse during processing
c. Using exhausted stop bath solution
d. Any of the above
Q. Radiography of tubular sections using a double wall, double viewing technique ismainly applicable to sections:
a. Over 38 mm in diameter
b. 88 mm in diameter or less
c. 125 mm in diameter and less
d. Under 25 mm in diameter
Q. A thin, white line within the film image of a weld crown might be:
a. A hair between the lead screen and the film
b. Incomplete penetration
c. A crack
d. Undercut