RME Exam Reviewer Part 9

#1. If the end of a cartridge fuse becomes warmer than normal, you should _________.

#2. When resistors are connected in series, the total resistance is __________.

#3. To control a ceiling light from five different locations it requires which of the following?

#4. Wing nuts are useful on equipment where ___________.

#5. The average dry cell battery gives an approximate voltage of __________.

#6. A solenoid is a __________.

#7. Where the _____ is likely to be high, asbestos insulation on the conductor would be a good choice.

#8. The assigned color for the high-leg conductor of a three-phase, 4-wire delta secondary is _____.

#9. The chemical used as the agent in fire extinguishers to fight electrical fires is ________.

#10. Which of the following is considered the best electrical conductor?

#11. The Code requires that all AC phase conductors where used, the neural and all equipment grounding conductors be grouped together when using metal enclosures or raceways. The principal reason for this is _________.

#12. The best thing to cut PVC conduit within a tight area is __________.

#13. The advantage of AC over DC includes which of the following?

#14. The identified grounded conductor of a lighting circuit is always connected to the screw of a light socket to _________.

#15. The total load on any overcurrent device located in a panelboard shall not exceed ______ of its rating where the normal operation the load will continue for three hours or more.

#16. Determining a positive wire on a single-phase circuit is _________.

#17. The reason for installing electrical conductors in a conduit is ___________.

#18. A________ is used for testing specific gravity.

#19. What is the normal taper on a standard conduit thread-cutting die?

#20. Discoloring of one end of a fuse normally indicates ______________.

#21. Heavy duty lampholders include _________.

#22. When tightening a screw on a terminal, the end of the conductor should wrap around the screw in the same direction that you are turning the screw so that ___________.

#23. An electrician should always consider the circuit to be “hot” unless he definitely knows otherwise. The main reason is to avoid _____________.

#24. The sum of the voltage drop around a circuit is equal to the source voltage is ________.

#25. The Code requires which of the following colors for the equipment grounding conductor?

#26. Sometimes mercury toggle switches are used in place of a regular toggle switch because they ____.

#27. The primary winding of a loaded step-down transformer has ____compared to the secondary winding.

#28. Explanatory material in the Code is characterized by _____________.

#29. A ladder which is painted is a safety hazard mainly because the paint ____________.

#30. Piezoelectric is caused by crystals or binding ________.

#31. The ____ circuit is that portion of a wiring system prior to the final overcurrent protective device protecting the circuit.

#32. The correct word to define wiring which is not concealed is ____________.

#33. The ________ circuit is that portion of a wiring system beyond the final overcurrent protection.

#34. Copper is used for the tip of a soldering iron because _________.

#35. Laminations are used in transformers to prevent ____________.

#36. If a live conductor is contacted accidentally, the severity of the electrical shock is determined primarily by __________.

#37. Ohm’s Law is _____________.

#38. Which of the following is the poorest conductor of electricity?

#39. The liquid in a battery is called the _________.

#40. An autotransformer differs from each other types of transformers in that ________.

#41. A ______ helps prevent arcing in movable contacts.

#42. Installing more than three current carrying conductors in the same conduit requires ________.

#43. A location classified as _____ may be temporarily subject to dampness and wetness.

#44. In an AC circuit the ratio of the power in watts to the total volt-amps is called the ________.

#45. Four heaters, each having a resistance of 30 ohms, are connected in series across a 600-volt train circuit. The current is ___________ amperes.

#46. If a value 120 volt incandescent light bulb is operating at a voltage of 125 volts, the result will be _____.

#47. What is the voltage between points Y and Z? Shown figure above.

#48. The Code rule for maximum 90 degree bends in a conduit between two boxes is four, the most likely reason for the total 360 degree limitation is ____________.

#49. A ___ box may be waterproof.

#50. A color coded is used in multiple-conductor cables. For 3-conductor cable the colors would be ________.

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