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ISRO Technician-B
Welder
ISRO Technician-B Welder 2016
38

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

38) In arc welding, penetration is minimum for

DC-Electrode Positive

DC-Electrode Negative

AC

none of the above

Answer is:

DC-Electrode Positive

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

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

39) One of the function of the electrode coating is:

To increase the welding current

To stabilize the arc

To prevent rusting

To control arc temperature

Answer is:

To stabilize the arc

40) In resistance welding, two electrodes are made of

Alu minium

Copper

Iron

Bronze

Answer is:

Copper

41) In oxy-acetylene welding the flame temperature is

1600-1700 degree celsius

2000-2100 degree celsius

2500 - 2600 degree celsius

3200 - 3300 degree celsius

Answer is:

3200 - 3300 degree celsius

42) Which welding process is used to join two thick plates in one single pass?

Oxy-acetylene welding

Gas tungsten arc welding

Gas metal welding

Electro slag welding

Answer is:

Electro slag welding

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

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