MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit X Gas Tungsten Arc Welding
81)
Polyvinylchloride (PVC) is welded using:
A.
B.
C.
D.
82)
GTAW arc starting in AC mode for aluminium uses:
A.
B.
C.
D.
83)
Induction welding is most commonly used for:
A.
B.
C.
D.
84)
Plasma arc cutting uses:
A.
B.
C.
D.
85)
Resistance welding uses which type of current most often?
A.
B.
C.
D.
86)
The filler rod in GTAW is fed:
A.
B.
C.
D.
87)
Which process has the highest deposition rate?
A.
B.
C.
D.
88)
In thermit welding, the main reactants are:
A.
B.
C.
D.
89)
Which welding method is considered a solid-state process?
A.
B.
C.
D.
90)
For welding thin aluminium sheets, the best choice is:
A.
B.
C.
D.
91)
Ratio 2:5 expressed as a fraction is:
A.
B.
C.
D.
92)
Mass 5 kg, volume 2 m³. Density is:
A.
B.
C.
D.
93)
Pressure is defined as:
A.
B.
C.
D.
94)
Area of a circle with radius 7 cm: (π = 3.14)
A.
B.
C.
D.
95)
Micrometer screw gauge is used for:
A.
B.
C.
D.
96)
In first angle projection, the plan is placed:
A.
B.
C.
D.