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

1. The secondary is the winding that is connected to the power source and brings power to the transformer.
2. The transformer operates by a temperature gradient.
3. Control transformers are used to change the value of line voltage to the value needed for the control circuit.
4. Most industrial and commercial air conditioning systems operate on 240 or 480 volts.
5. An ohmmeter is generally used to test the windings of the transformer.


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

Trades & Technology

You might also like to view...

Which type of actuator uses an electromagnetic plunger to open and close a passage or move a linkage?

A) Transistor B) Relay C) LED D) Solenoid

Trades & Technology

Lack of light can serve as a ____ by slowing down root and shoot initiation of an indoor plant

a. growth regulator c. growth inhibitor b. space container d. natural shaper

Trades & Technology

How is a U factor calculated for a building panel built of several different materials?

A) Add the R values of the different materials and then find the reciprocal. B) Take the reciprocal of the lowest R value. C) Take the reciprocal of the highest R value. D) Average the R values of the different materials and then find the reciprocal.

Trades & Technology

Refer to Figure P2.69 and assume vS = 15 V,



Find:
vac
vbd

The power delivered by the voltage source

Trades & Technology