In straight polarity welding? Mark as favorite Copy Link electrode holder is connected to the negative and the work is positive work is positive holder is earth work is negative holder is earth electrode holder is connected to the positive and the work is negative Check Answer
The oxyacetylene gas used in gas welding produces a highest flame temperature of? Mark as favorite Copy Link 1260°c 2090°c 2800°c 3200°c Check Answer
Which of the following welding process uses non-consumable electrode? Mark as favorite Copy Link gas tungsten arc welding shielded metal arc welding co2 shielded welding gas metal arc welding Check Answer
The position in Which it is easiest to weld is? Mark as favorite Copy Link flat vertical horizontal over head Check Answer
Which one of the joint fails first due to increase in temperature? Mark as favorite Copy Link riveting soldering brazing welding Check Answer
In gas cutting, is too little cutting oxygen is supplied? Mark as favorite Copy Link the metal will be cooled down the kerf will be narrow the kerf will be wide the metal will fail to cut completely Check Answer
How to extinguish the flame after use in gas welding? Mark as favorite Copy Link Shut off oxygen and acetylene valve at a time Shut of oxygen and dip blow pipe in water Shut off oxygen valve first next acetylene valve Shut off acetylene valve first next oxygen valve Check Answer
In are welding are is created between the electrode and work by? Mark as favorite Copy Link contact resistance flow of voltage flow of current electrical energy Check Answer
What will cause if the nozzle touches the molten pool? Mark as favorite Copy Link flash back spark back fire smoke Check Answer