CM 411 Midterm #3 Exam Questions With 100% Accurate Solutions Graded A+
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Course
CM 411 #3
Institution
CM 411 #3
B. proton - CORRECT ANSWER-A(n)___is a positively charged particle that also exists in the nucleus of the atom.
A. neutron
B. proton
C. electron
D. none of the above
C. valence shell - CORRECT ANSWER-A(n)___ is the outermost shell of an atom and contains the electrons that form
new compound...
CM 411 Midterm #3 Exam Questions
With 100% Accurate Solutions Graded
A+
B. proton - CORRECT ANSWER-A(n)___is a positively charged particle that also exists
in the nucleus of the atom.
A. neutron
B. proton
C. electron
D. none of the above
C. valence shell - CORRECT ANSWER-A(n)___ is the outermost shell of an atom and
contains the electrons that form
new compounds.
A. electron shell
B. proton covering
C. valence shell
D. valence electron
A. transformer - CORRECT ANSWER-A(n)___ is an electric device that uses
electromagnetism to change (step-up or
step-down) AC voltage from one level to another.
A. transformer
B. service panel
C. electrode
D. cartridge fuse
B. service panel - CORRECT ANSWER-A___ is an electrical device containing fuses or
circuit breakers for protecting the
,individual circuits of a residence and serves as a means of disconnecting the entire
residence from the distribution system.
A. transformer
B. service panel
C. circuit breaker
D. fuse
D. fuse - CORRECT ANSWER-A___ is an electric overcurrent protection device used to
limit the rate of current
flow in a circuit.
A. ground fault circuit interrupter
B. circuit breaker
C. plug
D. fuse
A. blade - CORRECT ANSWER-The broad categories of fuses are plug, cartridge,
and___ .
A. blade
B. socket
C. outlet
D. all of the above
C. electrical tool pouch - CORRECT ANSWER-A(n)___is a small, open tool container
(pouch) for storing commonly used electrical tools.
A. tool belt
B. tool carrier
C. electrical tool pouch
D. tool box
,B. Personal protective equipment (PPE) - CORRECT ANSWER-___is clothing and/or
equipment worn by individuals to reduce the possibility of
injury in the work area.
A. Hazardous protective clothing
B. Personal protective equipment (PPE)
C. Safety equipment
D. none of the above
D. fires - CORRECT ANSWER-The five common classes of____ are Class A, Class B,
Class C, Class D, and
Class K.
A. safety
B. grounding
C. equipment
D. fires
B. C - CORRECT ANSWER-Class___fires occur in facilities near or in electrical
equipment.
A. B
B. C
C. D
D. E
D. all of the above - CORRECT ANSWER-The major sources of energy are coal, oil
and_____ .
A. gas
B. wood
C. nuclear power
D. all of the above
, B. alternation - CORRECT ANSWER-A(n)___ is half of a cycle.
A. sine wave
B. alternation
C. phase shift
D. peak-to-peak value
A. peak - CORRECT ANSWER-The_____value of a sine wave is the maximum value of
either the positive or
negative alternation.
A. peak
B. rms
C. average
D. peak-to-peak
B. root-mean-square - CORRECT ANSWER-The___ value of a sine wave is the value
that produces the same amount of heat in a pure resistive circuit as a DC current of the
same value.
A. peak
B. root-mean-square
C. average
D. power
C. Direct - CORRECT ANSWER-___current is current that flows in only one direction.
A. Power
B. Alternating
C. Direct
D. none of the above
D. capacitive - CORRECT ANSWER-A(n)____circuit is a circuit in which current leads
voltage.
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