JOURNEYMAN CLOSED BOOK # 4 Exam

JOURNEYMAN CLOSED BOOK # 4 Exam B -Answer-Electrical current is measured in terms of __________. a. Electron pressure b. Electron passing a point per second c. Watts d. Resistance A -Answer-A stop switch is wired __________ in a motor circuit. a. Series b. Series-shunt c. Series-parallel d. Parallel A -Answer-An autotransformer has __________. a. One coil b. Two coil c. Three coil d. Four coil C -Answer-Concrete, brick or tile are considered as being __________. a. Isolated b. Insulators c. Grounded d. Dry locations C -Answer-▅ is the symbol for a __________ panel. a. Power b. Wall-mounted c. Lighting d. Surface-mounted C -Answer-A corroded electrical connection __________. a. Decreases the voltage drop b. Decreases the resistance of the connection c. Increases the resistance of the connection d. Increases the ampacity at the connection D -Answer-An AC ammeter or voltmeter is calibrated to read RMS values; this means the meter is reading the __________ value. a. Maximum b. Peak c. Average d. Effective C -Answer-The location of a wall receptacle outlet in the bathroom of a dwelling shall be installed __________. a. The Code does not specify the location b. Adjacent to the toilet c. Within 36" of outside edge of basin d. Across from the shower B -Answer-On a delta three-phase four-wire secondary, how many hot wires may use the common neutral? a. 1 b. 2 c. 3 d. 4 B -Answer-It shall be permissible to apply a demand factor of __________ to the nameplate-rating load of four or more appliances fastened in place served by the same feeder in a dwelling. a. 70% b. 75 % c. 60% d. 80% C -Answer-Insulated nonmetallic boxes are made of __________. I. Polyninyl chloride II. Bakelite III. Bower-Barff lacquer a. I only b. II only c. I & II only d. I, II & III C -Answer-Tungsten-filament lamps can be used on __________ circuits. a. AC b. DC c. AC and DC d. None of these B -Answer-An overcurrent protective device with a circuit opening fusible part that is heated and severed by the passage of overcurrent through it is called a __________. a. Current-limiter b. Fuse c. Circuit breaker d. Thermal overload B -Answer-The service conductors between the terminals of the service equipment and a point usually outside the building, clear of building walls, where joined by a tap or splice to the service drop is called the ________