7) Which of the following is not a non-destructive test for detecting weld defects?

Ultrasonic test

X-ray test

Dye penetrant test

Tension test

Answer is:

Tension test

ISRO Technician-B Welder Question Paper - 2016 (Set -1) with Answer Key

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8) Laser welding finds widest application in

heavy industry

structural work

electronics industry

process industry

Answer is:

electronics industry

9) Fluxes are used in welding in order to protect the molten metal and surfaces to be joined from

oxidation

distortion and warping

unequal temperature distribution

dirt

Answer is:

oxidation

10) Weaving in an arc welding refers to

side to side motion of the electrode at right angles to the direction of welding

side to side motion of electrode along the direction of welding

spiral motion given to the electrode during welding

a technique of striking the arc

Answer is:

side to side motion of the electrode at right angles to the direction of welding

11) Weld spatter is

a welding defect

an electrode coating

a welding technique

a type of flux

Answer is:

a welding defect

ISRO Technician-B Welder Question Paper - 2016 (Set -1) with Answer Key

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7) Which of the following is not a non-destructive test for detecting weld defects?

Tension test

ISRO Technician-B Welder Question Paper - 2016 (Set -1) with Answer Key

Related ISRO Technician-B Welder Question Paper - 2016 (Set -1) with Answer Key

8) Laser welding finds widest application in

electronics industry

9) Fluxes are used in welding in order to protect the molten metal and surfaces to be joined from

oxidation

10) Weaving in an arc welding refers to

side to side motion of the electrode at right angles to the direction of welding

11) Weld spatter is

a welding defect

ISRO Technician-B Welder Question Paper - 2016 (Set -1) with Answer Key