JOURNEYMAN CLOSED BOOK # 3 Exam

JOURNEYMAN CLOSED BOOK # 3 Exam D -Answer-The electromotive force required to cause a current to flow may be obtained __________. I. Thermally II. Mechanically III. Chemically a. I only b. I & III only c. II & III only d. I, II, & III C -Answer-Which of the following is not true? a. A fluorescent fixture is more efficient than an incandescent fixture. b. Room temperature has an effect on the operation of a fluorescent lamp . c. Fluorescent fixtures have good power factor with the current leading the voltage. d. The life of a fluorescent bulb is affected by starting and stopping. C -Answer-Resistance opposes the flow of current in a circuit and is measured in __________. a. Farads b. Joules c. Ohms d. Henrys C -Answer-Which of the following is true? a. Wooden plugs may be used for mounting electrical equipment in concrete. b. The high-leg conductor of a 4-wire delta is identified blue in color. c. The minimum size service permitted by the Code for a residence is 100 amps. d. The ungrounded conductor is connected to the screw shell of a lampholder. B -Answer-Mulitple start buttons in a motor control circuit are connected in __________. a. Series b. Parallel c. Series-parallel d. None of these B -Answer-Which of the following is not true? a. Feeder demand factors are applicable to household electric ranges. b. A green colored conductor can be used as an ungrounded circuit conductor. c. Insulated conductors #6 or smaller shall be white or gray, no marking tape permitted. d. All joints or splices must be electrically and mechanically secure before soldering. D -Answer-Special permission is __________. a. Granted by the electrical foreman on the job. b. Verbal permission by the inspector. c. Given only once on one blueprint change request. d. The written consent of the authority having jurisdiction. C -Answer-One million volts can also expressed as __________. a. 1 millivolt b. 1 kilovolt c. 1 megavolt d. 1 microvolt C -Answer-Resistance in a circuit may be __________. I. Resistance of the conductors II. Resistance due to imperfect contact a. I only b. II only c. Both I & II d. Neither I nor II C -Answer-Which of the following is not true? a. All receptacles on 15 and 20 amp branch circuits must be of the grounding type. b. Splices and joints shall be covered with an insulation equivalent to the conductor insulation