Journeyman closed book 2 - Study guides, Class notes & Summaries

Locknuts are sometimes used in making electrical connections on studs. In there cases the purpose of the locknuts is to ____. - Answer Prevent the connection from lossening under vibrations. Enclosed means, surrounded by a ____ which will prevent persons from accidently contacting energized parts. - Answer Wall, fence, and housing or case. In series circuit ____ is common. - Answer Current. Batteries supply ____ current. - Answer Direct. An alternation is ____. - Answer One-half cycl...

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. ...

Locknuts are sometimes used in making electrical connections on studs. In there cases the purpose of the locknuts is to ____. - Answer-Prevent the connection from lossening under vibrations. Enclosed means, surrounded by a ____ which will prevent persons from accidently contacting energized parts. - Answer-Wall, fence, and housing or case. In series circuit ____ is common. - Answer-Current. Batteries supply ____ current. - Answer-Direct. An alternation is ____. - Answer-One-half cycl...

Journeyman Electrical Closed Book Exam #1 Verified A+ 1. Advantage of an electromagnet over a permanent magnet: - Answer: An electromagnet can be switched on and off. 2. Characteristics of an excellent diffuser surface: - Answer: Scatters light uniformly in all directions. 3. How light is converted into electricity: - Answer: In a photovoltaic cell. 4. Name of the rotating part of a DC motor: - Answer: Armature. 5. Device used to pull wires through a conduit: - Answer: Fish tape. 6. ...