39) Among the following, which type of electrode deposits a large amount of weld metal per unit time

Low hydrogen electrode

Iron powder electrode

Deep penetration electrode

Heavy coated SS electrode

Answer is:

Iron powder electrode

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

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40) The flame used for oxy-acetylene welding of stainless steel is neutral or

Slightly oxidising

Slightly carburising

Heavily carburising

Heavily oxidising

Answer is:

Slightly carburising

41) Which of the following element is added to about 0.05 - 0.15% to obtain deoxidised copper?

Silicon

Sulphur

Phosphorus

Manganese

Answer is:

Silicon

42) The filler rod suitable for fusion welding of copper is:

Silicon - bronze rod

Manganese - bronze rod

Pure copper rod

Copper - silver alloy rod

Answer is:

Copper - silver alloy rod

43) The purpose of using a run on - run off plate during an arc welding process using a welding generator is

To distribute heat input uniformly

To reduce longitudinal distortion

To avoid slag inclusion effects

To prevent arc blow

Answer is:

To prevent arc blow

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

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39) Among the following, which type of electrode deposits a large amount of weld metal per unit time

Iron powder electrode

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

Related ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key

40) The flame used for oxy-acetylene welding of stainless steel is neutral or

Slightly carburising

41) Which of the following element is added to about 0.05 - 0.15% to obtain deoxidised copper?

Silicon

42) The filler rod suitable for fusion welding of copper is:

Copper - silver alloy rod

43) The purpose of using a run on - run off plate during an arc welding process using a welding generator is

To prevent arc blow

ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key