AE & JE EE Quiz: Utilization and Electrical Energy Booster Quiz-2

With respect to electric heating, select the INCORRECT statement.

The spot welding is employed for:

Electric heating is considered advantageous over the other systems of heating (coal, oil, or gas heating) as:

Which of the following types of electric heating is not considered as high frequency heating?

During the electric arc welding, as the thickness of the metal to be welded increases:

The power factor of spot-welding machine is expected to be around

Which of the following is NOT a desirable property of a good heating element?

In which of the following aspects is DC welding better than AC welding?

The lighting scheme in which 60-90% of the total light flux is made to fall downwards directly and remaining light is used to illuminate ceiling and walls.

A rectifier for welding has voltage/current characteristic as __________.