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

12

30

24

15

Constant current power source

Variable current power source

Constant voltage power source

Variable voltage power source

Get the different types of flames

Mix the gases in the required proportion

Change the volume of gases flowing to the blow pipe

Set the working pressure

Flat

Horizontal

Vertical

Overhead

300 degree celsius

650 degree Celsius

1000 degree celsius

1300 degree celsius