Sparks Academy
SPARKS ACADEMY
Online Test Series
8190879379 Chennai

MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit IV Welding

51)   

The selection of electrodes mainly depends on:

A.
B.
C.
D.
Answer: C
52)   

E6013 electrode is commonly used for:

A.
B.
C.
D.
Answer: C
53)   

The letter ‘E’ in E6013 stands for:

A.
B.
C.
D.
Answer: A
54)   

The number ‘60’ in E6013 indicates

A.
B.
C.
D.
Answer: C
55)   

The third digit in E6013 stands for:

A.
B.
C.
D.
Answer: A
56)   

Electrodes should be stored in:

A.
B.
C.
D.
Answer: C
57)   

What is the recommended storage temperature for low hydrogen electrodes (E7018)?

A.
B.
C.
D.
Answer: D
58)   

Before use, electrodes should be:

A.
B.
C.
D.
Answer: B
59)   

Moist electrodes cause

A.
B.
C.
D.
Answer: C
60)   

Low hydrogen electrodes exposed to air for more than 4 hours should be:

A.
B.
C.
D.
Answer: B
61)   

The strength of a T-joint is increased by using:

A.
B.
C.
D.
Answer: C
62)   

Which weld is not used in T-joints?

A.
B.
C.
D.
Answer: C
63)   

Which type of joint provides continuous surface for painting or plating?

A.
B.
C.
D.
Answer: C
64)   

The main disadvantage of lap joint is:

A.
B.
C.
D.
Answer: C
65)   

When welding thick plates in a butt joint, the most suitable weld is:

A.
B.
C.
D.
Answer: C
66)   

Which testing method provides a permanent image of the defect?

A.
B.
C.
D.
Answer: C
67)   

In ultrasonic testing, the flaws are detected by:

A.
B.
C.
D.
Answer: A
68)   

Which test method is most effective for detecting porosity and inclusions?

A.
B.
C.
D.
Answer: A
69)   

Which test method involves spraying a colored dye on the surface?

A.
B.
C.
D.
Answer: B
70)   

The black magnetic powder used in MPI is called:

A.
B.
C.
D.
Answer: C
71)   

Which of the following is used for clamping thick metal plates before welding?

A.
B.
C.
D.
Answer: C
72)   

The kerf in oxy-fuel cutting refers to:

A.
B.
C.
D.
Answer: A
73)   

The optimal angle of torch for cutting thick metal is typically:

A.
B.
C.
D.
Answer: C
74)   

The function of preheating flames is to:

A.
B.
C.
D.
Answer: C
75)   

Excessive preheat may cause:

A.
B.
C.
D.
Answer: C