MCQ - TNPSC JTO
JTO - 436 - Fitter
436 - Unit IV Welding
129)
Excessive welding current may cause:
A.
B.
C.
D.
130)
Which NDT (Non-Destructive Test) is used to detect surface cracks in welds?
A.
B.
C.
D.
131)
Radiographic testing is used to detect:
A.
B.
C.
D.
132)
Ultrasonic testing of welds is based on:
A.
B.
C.
D.
133)
Spatter in arc welding is caused mainly by:
A.
B.
C.
D.
134)
Crater cracks usually occur due to:
A.
B.
C.
D.
135)
In destructive testing of welds, the specimen is:
A.
B.
C.
D.
136)
The most commonly used joint in arc welding is:
A.
B.
C.
D.
137)
In thin sheet metal welding, which joint is mostly used?
A.
B.
C.
D.
138)
A “Tee” joint is formed when:
A.
B.
C.
D.
139)
A corner joint is commonly used in:
A.
B.
C.
D.
140)
Edge joints are suitable for:
A.
B.
C.
D.
141)
The coating on electrodes serves to:
A.
B.
C.
D.
142)
Basic coated electrodes are used mainly for:
A.
B.
C.
D.
143)
If electrodes absorb moisture, it may cause:
A.
B.
C.
D.
144)
Electrodes should be stored in:
A.
B.
C.
D.