RME Exam Reviewer Part 5

#1. An instrument that is used to measure the diameter of a wire or cable to thousandths of an inch is a __________.

#2. A transformer has a primary voltage of 120 volts and a secondary voltage of 480 volts. If there are 40 turns on the primary, the secondary contains __________.

#3. The force which moves electrons from atom to atom through a closed conducting path is called __________.

#4. A type of single phase motor that can be operated on either AC or DC is a __________ motor.

#5. An advantage of a 240-volt system compared with a 120-volt system of the same wattage is __________.

#6. __________ is a pliable raceway. I. EMT II. ENT III. PVC

#7. Raceways or cable trays containing electric conductors shall not contain __________. I. Pipe for steam II. Tube for air III. Pipe for water

#8. Where lighting outlets are installed in interior stairways, there shall be a wall switch at each floor level to control the lighting where the difference between floor levels is __________ steps or more.

#9. It is generally not good practice to supply lights and motors from the same circuit because __________.

#10. A switch intended for use in general distribution and branch circuits. It is rated in amperes, and it is capable of interrupting its rated current at its rated voltage, is a __________ switch.

#11. The instrument used to indicate phase relation between current and voltage is the __________.

#12. Flexible cords and cables shall be protected by __________ where passing through holes in covers, outlet boxes, or similar enclosures. I. Fittings II. Bushings III. Tie wraps

#13. It is the intent of this Code that factory installed internal wiring or the construction of equipment need not be inspected at the time of installation of the equipment, except to __________. I. Detect alteration II. Detect damage III. Detect insulation type

#14. When an ammeter is disconnected from an in-service current transformer, the secondary terminals of the current transformer must be __________.

#15. A resistor has an indicated tolerance error of 10%. With a value of 1000 ohms, the minimum resistance the resistor may have is __________.

#16. A value assigned to a circuit or system for the purpose of conveniently designating its voltage class is __________.

#17. Where conductors with an ampacity higher than the ampere rating or setting of the overcurrent device are used, the __________ shall determine the circuit rating.

#18. Reactance will cause the current in a circuit to vary only when __________.

#19. In general, motors are designed to operate in a maximum ambient temperature of __________ unless specifically designed for a higher temperature.

#20. You have an adjustable trip coil rated at 5 amps on a 200-amp switch. If you want to switch to trip at 120 amps, the trip coil should be set at __________.

#21. A low power factor in an industrial plant is most likely caused by __________.

#22. After cutting conduit, to remove the rough edges on both ends, the conduit ends should be __________.

#23. A fixture that weighs more than __________ shall be supported independently of the outlet box.

#24. To convert AC to DC you will use ________.

#25. For screw shell devices with attached leads, the conductor attached to the screw shell shall be __________ in color.

#26. A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as a part of, or in connection with, an electrical installation is __________.

#27. The permanent joining of metallic parts to form an electrically conductive path that will ensure electrical continuity and the capacity to conduct safely any current likely to be imposed is known as __________.

#28. __________ are permitted to protect motor branch circuit conductors from overload. I. Thermal relay II. Inverse time circuit breakers III. Time delay fuses

#29. A premises wiring system whose power is derived from a source such as a transformer that has no direct connection to the supply conductors originating in another system is a/an __________ system.

#30. __________ raceways are not suitable to enclose conductors that are subject to physical damage.

#31. A __________ is a braking system for an electric motor. I. Friction braking II. Plugging III. Dynamic braking

#32. Not readily accessible to persons unless special means for access are used is __________.

#33. When alternating current flows through a conductor, there is an inductive action that causes the current in the conductor to be forced toward the outer surface. The current is greater at the surface than at the center of the conductor, this __________ will cause the resistance in the conductor to increase due to the increased heating of the conductor.

#34. 1. __________ can be generated. I. Electricity II. Electrical Energy

#35. A voltage or current that is reversed at regular intervals is called __________ voltage or current. I. Direct II. Steady state III. Sinusoidal

#36. The phenomenon whereby a circuit stores electrical energy is called __________.

#37. A switch when intended for isolating an electric circuit from the source of power that has no interrupting rating, and it is intended to be operated only after the circuit has been opened by some other means is a/an __________.

#38. Rigid metal conduit is permitted for wiring in hazardous locations if the conduit is threaded and made up wrench tight with at least __________ full threads.

#39. The power factor of an incandescent light bulb would be __________.

#40. A type of AC motor that runs at a constant speed and is used for such purposes as an electric clock motor is a __________ motor.

#41. To calculate the va, one needs to know the __________.

#42. Motors 1/3, 1⁄4, and 1/8hp are connected parallel. Those motors deliver a total of __________.

#43. Brach circuit conductors shall have an ampacity not less than __________.

#44. __________ is/are classified as a conduit body. I. LB fittings II. FS fittings III. LR fittings

#45. __________ is the resistance at the point of contact of two conductors or one conductor and another surface.

#46. Of the following __________ is a false statement.

#47. A transformer would most likely have __________ efficiency.

#48. A circuit breaker that has purposely introduced a delay in the tripping action and which delay decreases as the magnitude of the current increases is a __________ circuit breaker.

#49. Flexible cords and cables shall not be used __________.

#50. Listed or labelled equipment shall be installed, used, or both, in accordance with any instructions included __________. I. By the foreman II. In the listing or labelling III. With the equipment from the manufacturer




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