3) The type of current employed during an arc welding process is

only alternating currents

only direct currents

either alternating or direct current

none of the above

Answer is:

either alternating or direct current

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

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4) Which of the following equipment is used to convert an alternating current to a direct current?

alternator

transformer

rectifier

ammeter

Answer is:

rectifier

5) A general purpose solder designated as '60-40' means:

a solder with 60% tin and 40% lead

a solder with 40% tin and 60%lead

a solder with 60% tin and 40% copper

a solder with 40% tin and 60% copper

Answer is:

a solder with 60% tin and 40% lead

6) Which of the following is a solid state welding process?

Friction Stir welding

Electron beam welding

Laser beam welding

Gas tungsten welding

Answer is:

Friction Stir welding

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

For more MCQ's Click Here

3) The type of current employed during an arc welding process is

either alternating or direct current

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

4) Which of the following equipment is used to convert an alternating current to a direct current?

rectifier

5) A general purpose solder designated as '60-40' means:

a solder with 60% tin and 40% lead

6) Which of the following is a solid state welding process?

Friction Stir welding

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