Q.1
The QUANTITY symbol for volts.
  • V
  • v
  • I
  • I
Q.2
To increase the voltage of a circuit…
  • Use a bigger cell/battery
  • Connect more cells in series
  • Connect more cells in parallel
  • Use a stronger voltmeter
Q.3
Voltmeters are connected in series in a circuit.
  • True
  • False
Q.4
The units of voltage.
  • Amps
  • Coulombs
  • Volts
  • Joules
Q.5
The transmission system operates at high voltages in ranges from ____________ to __________ volts.
  • 240 to 1000
  • 138,000 to 1,000,000
  • 1000 to 5000
Q.6
Insulators such as ______________and ______________ are good materials that do not allow electrical current to flow through them.
  • glass and fiber glass
  • copper and aluminum
  • wood and titanium
Q.7
_____________have low resistances and ________________ have very high resistances.
  • conductors and insulators
  • resistors and capacitors
  • diodes and capacitors
Q.8
A____________ is an electrical device by which alternating current of one voltage is changed to another voltage.
  • Capacitor
  • Transformer
  • Resistor
Q.9
Forcing current through the resistance in a conductor makes _____________
  • amperage or current
  • heat
  • electricity
Q.10
If there are fewer turns in the primary winding than in the secondary winding, the transformer is said to be a _____________ transformer.
  • step-down
  • step-up
  • powerful
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.
  • distribution circuit breaker
  • distribution circuit regulator
  • distribution transformer
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__________________.
  • liquid substitution
  • Flooding
  • makeup water
Q.13
______________ are materials such as copper and aluminum that allow current to flow freely through them.
  • buses
  • resistors
  • conductors
Q.14
A ________________ is a specially designed conductor having low resistance.
  • insulator
  • resistor
  • bus
Q.15
The “pressure” pushing the electrons along is called the ___________
  • Amperage or current
  • voltage
  • wattage
Q.16
_____________ is the number of electrons in motion in an electrical circuit.
  • Amperage or current
  • voltage
  • wattage
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______________.
  • economizer
  • heat regulator
  • water heater
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.
  • heat exchanger
  • heat pump
  • Condenser
Q.19
The _____________ is a heater that reheats the steam after it has been through part of the turbine.
  • Superheater
  • Reheater
  • thermal chamber
Q.20
The ___________________ are placed directly in the walls of the furnace to absorb the greatest possible amount of heat in the boiler.
  • fire hoses
  • Waterwall tubes
  • insulating pads
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