For the following questions answer them individually
The function of inert gas in filament lamp is
In Which one of the following is flexible wire is not used?
The gas used in gas filed filament lamp
The output of Tungsten filament lamp depends on
In arc welding the voltage on AC supply system is in the range
Which of the following is not a welding accessory ?
The temperature inside a furnace is usually measured by
In electric resistance welding
Which of the following is a trivalent?
Which of the following are immobile?