RME Exam Reviewer Part 2

#1. Which of the following would cause the most power to be dissipated in the form of heat?

#2. To change the rotation of a DC motor you would __________.

#3. __________ is the combined opposition to current by resistance and reactance.

#4. An electrician in the industry would first check the __________ to correct a low power factor.

#5. Single conductor cable runs within building are generally more common than multicable runs because __________.

#6. __________ has the highest electrical breakdown strength and longest life over all other materials used for insulation.

#7. Voltage in a generator is produced by __________.

#8. 1. Frequency is measured in __________.

#9. The generator which is best suited for electroplating power is a __________ generator.

#10. Sometimes copper conductors are coated (tinned) to help prevent __________.

#11. Frequency is determined by the __________ of an alternator. I. Size II. Number of poles III. Voltage IV. Rotation speed of armature

#12. To adjust the voltage generated by a constant speed DC generator, you would change the __________.

#13. An example of a “made” electrode would be __________.

#14. A motor enclosure designed and constructed to contain sparks or flashes that may ignite surrounding gas or vapour is called __________.

#15. The output of a 3∅ transformer is measured in units called __________.

#16. A wheatstone bridge is used to measure __________ resistance. I. Low II. Medium III. High

#17. To check voltage to ground, you would check from __________.

#18. Illumination is measured in __________.

#19. The inductive action that causes current to flow on the outside surface of a conductor is known as the __________.

#20. Electrical continuity is required by the electrical code for metallic conduit __________.

#21. An electrical timer switch for lighting is normally connected in __________ with the lighting circuit being controlled.

#22. The definition of ampacity is __________.

#23. Three horsepower is equivalent to __________.

#24. The grounded conductor would connect to the __________ of a lampholder.

#25. The resistance of an open circuit is equal to __________.

#26. On a 120v 1∅ circuit, ground fault protection for personnel operates on the principal of unbalanced current between __________.

#27. A three-phase, 6-pole AC alternator 34 kva, on a Y-connected system. During one complete mechanical rotation (360°C) will have __________ electrical rotations.

#28. A single concrete-encased electrode shall be augmented by one additional electrode if it does not have a resistance to ground of __________.

#29. Which of the following is not true about alternating current?

#30. The voltage per turn of the primary of a transformer is __________ the voltage per turn of the secondary.

#31. In a 3∅ circuit, how many electrical degrees separate each phase?

#32. __________ duty is a type of service where both the load and the time intervals may have wide variations.

#33. The definition of ambient temperature is __________.

#34. As the power factor of a circuit is increased __________.

#35. Tinning rubber insulated twisted cable is done to __________.

#36. A negatively charged body has __________.

#37. A fluorescent light that blinks “on” and “off” repeatly may in time __________.

#38. Electrical appliances are connected in parallel because it __________.

#39. What relationship determines the efficiency of electrical equipment?

#40. Of the six ways of producing emf, which method is used the least?

#41. The voltage produced by electromagnetic induction is controlled by __________.

#42. As the power factor of a circuit is increased __________.

#43. The breakdown voltage of an insulation depends upon __________ value of AC voltage.

#44. What is the formula to find watt hours?

#45. The greater voltage drop in a circuit will occur when the __________ the current flow through that part of the circuit.

#46. The AC system is preferred to the DC system because __________.

#47. DC series motors are used in applications where __________ is required.

#48. Basically all electric motors operate on the principle of repulsion or __________.

#49. A capacitor opposes __________.

#50. The armature current drawn by any DC motor is proportional to the __________.

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