MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit IX Testing Welded Joints by Different
97)
What is the main principle behind defect detection in radiography?
A.
B.
C.
D.
98)
Which parameter must be minimized to reduce image blurring in radiography?
A.
B.
C.
D.
99)
A radiograph with excessive film darkening indicates:
A.
B.
C.
D.
100)
The main health risk from X-ray and gamma ray testing is:
A.
B.
C.
D.