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What follows is a plain HTML version of the Quiz.
All of the questions and answers in this quiz are found in Tom Henry's book, "Industrial Electrician Workbook".
1. If a transformer was plugged into a DC circuit .
- [ ] the primary would overload and the secondary would be dead
- [ ] any of these
- [ ] it would blow a fuse
- [ ] the secondary would burn out
2. A transformer has a 3 to 2 ratio. Its primary winding is designed for 240 volts. The secondary voltage of this transformer is volts.
- [ ] 115
- [ ] 160
- [ ] 120
- [ ] 215
3. The primary function of an electric motor is to .
- [ ] generate high voltages
- [ ] produce a magnetic field
- [ ] generate high electrical resistance
- [ ] develop torque
4. The purpose of DC generator brushes is to .
- [ ] neutralize armature reaction
- [ ] conduct electric current to an outside circuit
- [ ] convert DC to AC
- [ ] provide excitation to a DC generator
5. The output voltage of a 440 volt, 60 hertz, AC generator is controlled by the
.
- [ ] exciter output voltage
- [ ] load on the alternator
- [ ] number of poles
- [ ] prime mover speed
6. Any electric motor can be constructed to be .
- [ ] explosion proof
- [ ] ground proof
- [ ] short proof
- [ ] overload proof
7. Discoloration of the rotor bars in a squirrel-cage motor is typical evidence of .
- [ ] vibration
- [ ] overheating
- [ ] moisture
- [ ] all of these
8. The number of cells in a 12 volt lead-acid battery is .
- [ ] four cells
- [ ] three cells
- [ ] six cells
- [ ] twelve cells
9. The electrolyte used in a nickel-cadmium battery is distilled water and
.
- [ ] diluted sulfuric acid
- [ ] zinc oxide
- [ ] potassium hydroxide
- [ ] lead sulfate
10. To test fuses in an energized circuit, you should use a .
- [ ] megohmmeter
- [ ] resistance meter
- [ ] voltmeter
- [ ] low voltage light bulb
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