Answer the following statement(s) true (T) or false (F)

1. A true three-phase transformer contains six separate transformers wound on a single core.
2. The disadvantage for three-phase transformers is that if a single transformer should fail, the entire transformer must be repaired or replaced.
3. Delta connections should be checked for proper polarity after applying power.
4. A voltmeter is a low-impedance device.
5.Three-phase transformer connections are often used to supply single-phase loads, which tend to unbalance the system.


1. FALSE
2. TRUE
3. FALSE
4. FALSE
5. TRUE

Trades & Technology

You might also like to view...

An electrical device that operates on the principle of magnetism is a ____.

a. motor b. light bulb c. receptacle d. safety switch

Trades & Technology

Two technicians are describing how an air-conditioning system gets rid of the heat. Technician A says that heat always flows from the hotter to the colder object. Technician B says that as a refrigerant evaporates, it absorbs heat as it changes from a liquid to a gas. Who is correct?

A. Technician B only B. Technician A only C. Both Technicians A and B D. Neither Technician A nor B

Trades & Technology

What are the two most common pollutant pathways?

What will be an ideal response?

Trades & Technology

What do the following acronyms stand for when referring to electric motors?LRARLAFLA

What will be an ideal response?

Trades & Technology