Q.1.
The QUANTITY symbol for volts.
Q.2.
To increase the voltage of a circuit…
Q.3.
Voltmeters are connected in series in a circuit.
Q.4.
The units of voltage.
Q.5.
The transmission system operates at high voltages in ranges from ____________ to __________ volts.
Q.6.
Insulators such as ______________and ______________ are good materials that do not allow electrical current to flow through them.
Q.7.
_____________have low resistances and ________________ have very high resistances.
Q.8.
A____________ is an electrical device by which alternating current of one voltage is changed to another voltage.
Q.9.
Forcing current through the resistance in a conductor makes _____________
Q.10.
If there are fewer turns in the primary winding than in the secondary winding, the transformer is said to be a _____________ transformer.
Q.11.
If you are at home and your lights flash off and on two or three times that could be an indication that the _____________ is trying to protect the wires or lines.
Q.12.
In an operating plant, water is lost through leakage and other losses. Since the water level must remain fairly constant additional water has to be added to the system. This water is referred to as__________________.
Q.13.
______________ are materials such as copper and aluminum that allow current to flow freely through them.
Q.14.
A ________________ is a specially designed conductor having low resistance.
Q.15.
The “pressure” pushing the electrons along is called the ___________
Q.16.
_____________ is the number of electrons in motion in an electrical circuit.
Q.17.
Most of the furnace heat is absorbed by the boiler tubes, superheater and reheaters. However, some of the remaining heat that would otherwise go out the stack is left to heat the feed water. The economy of the system is increased by adding a bank of tubes to preheat the water. This bank of tubes is called the______________.
Q.18.
To reuse the exhaust steam a large hollow box is attached to the exhaust opening of the turbine. This box is referred to as a ____________through which relatively cool water is pumped.
Q.19.
The _____________ is a heater that reheats the steam after it has been through part of the turbine.
Q.20.
The ___________________ are placed directly in the walls of the furnace to absorb the greatest possible amount of heat in the boiler.