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
The material used for coating the electrode is called? Mark as favorite Copy Link protective layer binder slag flux Check Answer
The width of cut produced in gas cutting operation is know as? Mark as favorite Copy Link gauging kerf drag bavel Check Answer
In a gas cut plate, the cut show grooves and has deep drag lines. This is due to? Mark as favorite Copy Link tip to close to the cut surface too much travel speed less oxygen pressure smaller size cutting nozzle Check Answer
In DC welding heat distribution is possible between electrode and the base metal due to the change of polarity. The distribution of heat is? Mark as favorite Copy Link positive 2/3 and negative 1/3 positive 1/3 and negative 2/3 positive 1/4 and negative 3/4 positive 3/4 and negative 1/4 Check Answer
Ratio of oxygen and acetylene required for gas welding is? Mark as favorite Copy Link 1:2 1:1 1:3 2:1 Check Answer
One of the functions of electrode coating is? Mark as favorite Copy Link to increase welding current to stabilize the arc to prevent rusting to control arc temperature Check Answer
If a worker has suffered from electric shock, he should be? Mark as favorite Copy Link given an alcoholic drink given a cold drink made to walk kept warm and covered Check Answer
In reverse 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