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ISRO Technician-B
Welder
ISRO Technician-B Welder 2017
66

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

66) Twin carbon arc welding refers to

Arc welding process using two arcs established using a single electrode

Arc welding process in which arc is established and maintained using two carbon electrodes held with a special holder

Two joints simultaneously welded using a single electrode

None of the above

Answer is:

Arc welding process in which arc is established and maintained using two carbon electrodes held with a special holder

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

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

67) Which of the following welding process employs a Langmuir torch?

Atomic hydrogen welding

Laser beam welding

Tungsten inert gas welding

Electron beam welding

Answer is:

Atomic hydrogen welding

68) In a plasma arc welding process, the plasma is generated by

Low frequency AC voltage

Low frequency AC current

High frequency AC voltage

High frequency AC current

Answer is:

High frequency AC current

69) Oranges were purchased at the rate of 100 for Rs. 150/- and sold at Rs.2/- per orange. If a profit of Rs.200/- was made, number of oranges sold is

200

400

800

600

Answer is:

400

70) Angle of a quadrilateral are in the ratio 3:2:3:4, then the largest angle is

60

120

180

90

Answer is:

120

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

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