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RME Technical Subjects Test 4
#1. A solenoid is _____.
#2. When working near acid storage batteries, extreme care should be taken to guard against sparks, essentially to avoid ______.
#3. The ______ circuit is that portion of a wring system beyond the final overcurrent protection.
#4. The Code requires which of the following colors for the equipment grounding conductor?
#5. The heating element in a toaster has a _______.
#6. If a 120 volt incandescent light bulb is operating at a voltage of 125 volts, the result will be _____.
#7. Ohm’s law is ______.
#8. The reason for installing electrical conductors in a conduit is ____.
#9. Explanatory material in the Code is characterized by _____.
#10. What is meant by “traveler wire”?
#11. If a live conductor is contacted accidentally, the severinity of the electrical shock is determined primarily by ______.
#12. The advantage of AC over DC includes which of the following?
#13. A switch which opens automatically when the current exceeds a predetermined limit would be called a ______.
#14. An instrument that measures electrical energy is called the ______.
#15. The “stator” of an AC generator is another name for the ______.
#16. If the current flow through a conductor is increased, the magnetic field around the conductor ______.
#17. The ______ circuit is that portion of a wring system beyond the final overcurrent protection.
#18. Comparing a #6 conductor to a #10 conductor of equal lengths, the #6 will have lower ___.
#19. The definition of ambient temperature is _______.
#20. A wattmeter is a combination of which two of the following meters? I. Ammeter II. Ohmmeter III. Phase meter IV. Voltmeter V. Power factor meter
#21. The primary reason for using a hacksaw blade with fine teeth rather than coarse teeth when cutting large stranded conductors is ______.
#22. When working on a motor, the electrician should _____ to prevent accidental starting of the motor.
#23. 3Ø currents are generally out of phase by______ degrees.
#24. The greatest voltage drop in a circuit will occur when the______ the current flow through that part of the circuit.
#25. The standard residential service is a 3-wire, 240 volt single-phase system. The maximum voltage to ground in this system would be ______ volts.
#26. ______result in loss of electrical energy from the circuit.
#27. It is the responsibility of the electrician to make sure his tools are in good condition because _____.
#28. A length of wire has a resistance of 6 ohms. The resistance of the wire of the same material three times as long and twice the csa will be______ ohms.
#29. The purpose of in an electrical circuit is to _______.
#30. An electrician in the industry would first check the______to correct a low power factor.
#31. The breakdown voltage of an insulation depends upon _____value of AC voltage.
#32. As the power factor of a circuit is increased _______.
#33. An electrical outlet constructed so that moisture will not enter the enclosure is classified as being _____.
#34. The voltage per turn of the primary of transformer is______ the voltage per turn of the secondary.
#35. Basically all electric motors operate on the principle of repulsion or_______.
#36. ______ equipment of materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation that maintain periodic inspection of equipment or materials and indicates compliance with appropriate standards or performance.
#37. A transformer would mostly likely have an efficiency of _____ percent.
#38. A ______of a switch is that part of a switch which is used for the making or breaking of a connection and which is electrically insulated from other contact making or breaking parts.
#39. _______ means that equipment is not readily accessible to persons unless special means for access are used.
#40. Electrical appliances are connected in parallel because it_______.
#41. ______location are those that are hazardous because of the presence of easily ignitable fibers or flying.
#42. Relay contacts are made of ______ .
#43. A piece of electrical equipment that is designed to operate intervals of (10 load and no load; or (2) load and rest; or (3) load, no load, and rest is called_____ duty.
#44. You have an adjustable trip coil rated at 5 amps on a 200-am switch. If you want the switch to trip at 120 amps, the trip coil should be set at_____.
#45. A qualifying term indicating that the circuit breaker can be set to trip at various of current and/or time within a predetermined range is called_____.
#46. Reactance will cause the current in a circuit to vary only when_____.
#47. The difference between a neutral and a grounded circuit conductor is_____.
#48. Which two conductors installed in a conduit can be filled to______% of its cross section.
#49. A device that serves to govern, in some predetermined manner, the electric power delivered to the apparatus to which it is connected is called a______ .
#50. Operation of equipment in excess of normal, full-load rating, or a conductor in excess of rated ampacity which, when it persists of a sufficient length of time, would cause damage or dangerous overheating is called_____.
