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MCQ - Mechanical TNPSC JTO
JTO - 440 - Welder - 440 - Unit X Gas Tungsten Arc Welding

26)   

1/4 + 3/8 =

A.
B.
C.
D.
Answer: B
27)   

Square root of 144 is

A.
B.
C.
D.
Answer: B
28)   

If 4 workers complete a job in 12 days, then 6 workers will complete it in

A.
B.
C.
D.
Answer: A
29)   

50% of 200 is

A.
B.
C.
D.
Answer: C
30)   

Mass of 1 cubic meter of water is

A.
B.
C.
D.
Answer: A
31)   

Weight is the force due to

A.
B.
C.
D.
Answer: A
32)   

If a rod is 2 m long and cut into 4 equal pieces, each piece is

A.
B.
C.
D.
Answer: B
33)   

Ratio of 2 : 3 in percentage is

A.
B.
C.
D.
Answer: A
34)   

If diameter = 20 mm, radius is

A.
B.
C.
D.
Answer: B
35)   

Density is

A.
B.
C.
D.
Answer: B
36)   

The main purpose of an engineering drawing is to

A.
B.
C.
D.
Answer: B
37)   

A T-square is used for

A.
B.
C.
D.
Answer: B
38)   

Freehand drawing is done without

A.
B.
C.
D.
Answer: B
39)   

A divider is used for

A.
B.
C.
D.
Answer: D
40)   

The standard sheet size A4 is

A.
B.
C.
D.
Answer: A
41)   

A steel rule is used for

A.
B.
C.
D.
Answer: A
42)   

Geometrical drawing deals with

A.
B.
C.
D.
Answer: A
43)   

In fabrication drawings, welding symbols indicate

A.
B.
C.
D.
Answer: D
44)   

Which hand tool is used to hold workpieces firmly?

A.
B.
C.
D.
Answer: C
45)   

Micrometer is used for measuring

A.
B.
C.
D.
Answer: B
46)   

Scriber is used for

A.
B.
C.
D.
Answer: A
47)   

Protractor is used for measuring

A.
B.
C.
D.
Answer: B
48)   

The main drawing instrument for drawing circles is

A.
B.
C.
D.
Answer: B
49)   

A centre punch is used to

A.
B.
C.
D.
Answer: B
50)   

 An isometric drawing shows an object in

A.
B.
C.
D.
Answer: C