Which of the following is true of DCEN?

A. With DCEN, arc starting with a high-voltage electrical discharge is more difficult.
B. With DCEN, the electrode becomes damaged in a short period of time.
C. With DCEN, a pointed tip concentrates the arc.
D. DCEN concentrates the heat in the tip of the electrode.


Answer: C

Trades & Technology

You might also like to view...

How many degrees of CRANKSHAFT rotation are required for a piston to travel from TDC to BDC and return to TDC?

A) 90
B) 720
C) 360
D) 180

Trades & Technology

What is true about a SNAP refrigerant?

A) All original refrigerants must be removed before charging with the new refrigerant. B) Each refrigerant must have a label with a unique color that specifies pertinent information. C) Requires unique set of fittings, and all ports not converted must be permanently disabled. D) All of the above

Trades & Technology

Iron and aluminum hydrous oxides are characteristic of soils that are highly weathered chemically

Indicate whether the statement is true or false

Trades & Technology

In which division of the MasterFormatTM is electronic safety covered?

A) Division 24 B) Division 28 C) Division 25 D) Division 26

Trades & Technology