and Answers (Graded A)
_______ 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 phenomenon where a circuit stores electrical energy is called ______.
a. Inductance
b. Capacitance
c. Resistance
d. Susceptance - 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
A switch intended for use in general distribution and branch circuits. It is
rated in amperes, and it is capable of interrupting its rated current at its
rated voltage, is a _______ switch.
a. bypass isolation
b. general use
c. isolating
d. transfer - ANSWER-Ans. b
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
A ______ squirrel cage motor cab be started at full voltage.
I. Design A II. Design B III. Design C IV. Design D
a. I only
b. I and II only
c. III and IV only
d. I, II, III, and IV - ANSWER-Ans. d
A _____ is a braking system for an electric motor.
, I. friction braking II. Plugging III. Dynamic braking
a. I only
b. III only
c. I and III only
d. I, II or III - ANSWER-Ans. d
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
Where conductors with an ampacity higher than the ampere rating or setting
of the overcurrent device are used, the _____ shall determine the circuit
rating.
a. Conductor ampacity
b. Overcurrent device
c. Combined rating