Journeyman 1-3 Exam Questions and Answers

Journeyman 1-3 Exam Questions and Answers _______ can be generated. I. Electricity II. Electrical Energy a. I only b. II only c. both I and II d. neither I nor II -Answer-Ans. b A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an electrical installation is ______. a. premises wiring (system) b. service equipment c. utilization equipment d. equipment -Answer-Ans. d 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 ______. a. ordinary tap joint b. scarf joint c. Britannia joint d. bonding -Answer-Ans. d An instrument that is used to measure the diameter of a wire or cable to thousandths of an inch is _____. a. galvanometer b. micrometer c. hydrometer d. ruler -Answer-Ans. b 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. a. 4 b. 5 c. 7 d. 9 -Answer-Ans. b 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 alterations II. Detect damage III. Detect insulation type a. I only b. II only c. I and II only d. I, II and III -Answer-Ans. c Listed or labeled equipment shall be installed, used. Or both, in accordance with any instructions included _____. I. by the foreman II. In the listing or labeling III. With the equipment from the manufacturer a. I only b. II only c. II and III only d. I, II and III -Answer-Ans. c _____ are permitted to protect motor branch circuit conductors from overload. I. Thermal relays II. Inverse time circuit III. Time delay fuses a. I only b. II only c. II and III only d. I, II and III -Answer-Ans. d _____ is a pliable raceway. I. EMT II. ENT III. PVC a. I only b. II only c. I and III only d. I, II and III -Answer-Ans. b A transformer would most likely have a ______ efficiency. a. 60% b. 70% c. 80% d. 90% -Answer-Ans. d A value assigned to a circuit or system for the purpose of conveniently designating its voltage class is _____. a. Nominal voltage b. Voltage to ground c. Voltage (of a circuit) d. Voltage2 -Answer-Ans. a _____ is the resistance at the point of contact of two conductors or one conductor and another surface. a. Conductor resistance b. Contact resistance c. Resistance per M/ft d. Resistance per K/ft -Answer-Ans. b ______ raceways are not suitable to enclose conductors that are subject to physical damage. a. Rigid metal conduit b. Intermediate metal conduit c. PVC schedule 40 d. PVC schedule 80 -Answer-Ans. c 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. a. Two b. Four c. Six d. Eight -Answer-Ans. c Of the following _____ is a false statement. a. The term kilowatt indicates the measure of power which is all available for work. b. The term kilovolt-amperes indicate the apparent power made up of an energy component. And a wattles or induction component. c. In an industrial plant, low power factor is usually due to underloaded induction motors. d. The power factor of a motor is much greater at partial loads than at full load. -Answer- Ans. d In general, motors are designed to operate in a maximum ambient temperature of ______ unless specifically designed for a higher temperature. a. 60 degrees C b. 50 degrees C c. 45 degrees C d. 40 degrees C -Answer-Ans. d For screw shell devices with attached leads, the conductor attached to the screw shell shall be _____ in color. a. White or gray b. Orange c. Green d. Black -Answer-Ans. a A switch 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 ______. a. Isolating switch b. Bypass isolation switch c. General use switch d. Transfer switch -Answer-Ans. a