52) The word 'LASER' is an acronym for:

Light Amplification by Stimulated Emission of Radiation

Light Augmentation by Stimulated Emission of Radiation

Light Amplification by Sustained Emission of Radiation

Light Augmentation by Sustained Emission of Radiation

Answer is:

Light Amplification by Stimulated Emission of Radiation

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

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53) In Gas metal arc welding, the metal transfer requiring lower current is:

Globular transfer

Short circuiting transfer

Spray transfer

Pulsed spray transfer

Answer is:

Short circuiting transfer

54) Flux used in submerged arc welding is in the form of:

liquid

granular

solid rod

solid tube

Answer is:

granular

55) The purpose of post heating of certain weld is to

Reduce hardness and brittleness

Increase hardness and brittleness

Reduce the toughness

Increase the cooling rate

Answer is:

Reduce hardness and brittleness

56) For welding overhead joints in a horizontal plane, the techniqu e of gas welding is:

Forehand

Back hand

Straight hand

Inclined hand

Answer is:

Back hand

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

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52) The word 'LASER' is an acronym for:

Light Amplification by Stimulated Emission of Radiation

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

53) In Gas metal arc welding, the metal transfer requiring lower current is:

Short circuiting transfer

54) Flux used in submerged arc welding is in the form of:

granular

55) The purpose of post heating of certain weld is to

Reduce hardness and brittleness

56) For welding overhead joints in a horizontal plane, the techniqu e of gas welding is:

Back hand

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