MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit X Gas Tungsten Arc Welding
17)
Which gas is most commonly used in GTAW for stainless steel?
A.
B.
C.
D.
Answer: B
20)
Torch body, handle, collet, and nozzle are parts of
A.
B.
C.
D.
21)
Which shielding gas mixture is used in GMAW for better arc stability?
A.
B.
C.
D.
22)
GMAW with short circuit transfer is suitable for
A.
B.
C.
D.
23)
In GTAW, AC current is mainly used for
A.
B.
C.
D.
24)
The wire feed system in GMAW controls
A.
B.
C.
D.
25)
The gas flow in GTAW is controlled by
A.
B.
C.
D.
26)
1/4 + 3/8 =
A.
B.
C.
D.
27)
Square root of 144 is
A.
B.
C.
D.
28)
If 4 workers complete a job in 12 days, then 6 workers will complete it in
A.
B.
C.
D.
29)
50% of 200 is
A.
B.
C.
D.
30)
Mass of 1 cubic meter of water is
A.
B.
C.
D.
31)
Weight is the force due to
A.
B.
C.
D.
32)
If a rod is 2 m long and cut into 4 equal pieces, each piece is
A.
B.
C.
D.