MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit II Different Process of Metal Joining Methods
33)
Pickling uses
A.
B.
C.
D.
34)
Solvent cleaning removes
A.
B.
C.
D.
35)
Grinding is used to
A.
B.
C.
D.
36)
Moisture on plates before welding can cause
A.
B.
C.
D.
37)
Chipping hammer is used for
A.
B.
C.
D.
38)
Sand blasting cleans
A.
B.
C.
D.
39)
If oil is left on the joint surface, it may cause
A.
B.
C.
D.
40)
Proper surface cleaning ensures
A.
B.
C.
D.
41)
Arc welding works on the principle of
A.
B.
C.
D.
42)
Arc temperature in welding is about
A.
B.
C.
D.
43)
The unit of electric current is
A.
B.
C.
D.
44)
The voltage required for SMAW is usually
A.
B.
C.
D.
45)
Current in arc welding can be
A.
B.
C.
D.
46)
Ohm’s law states that
A.
B.
C.
D.
47)
In arc welding, higher current generally
A.
B.
C.
D.
48)
Open Circuit Voltage (OCV) of welding transformer is
A.
B.
C.
D.