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SACA Study Guide Motor Motor Control Questions with
Correct Answers
Parts of an electrical system that should be connected to earth
include _______. - ANSWER All of the above
The _______ is the accepting standard in the United States for
safely installing and maintaining electrical systems and
equipment. - ANSWER NEC (National Electrical Code)
Which of the following is not a basic rule of electrical safety? -
ANSWER Always work by yourself
Who should remove a lockout/tagout? - ANSWER Only the
person(s) who installed it
Three-phase power is transmitted in phases that are _______
degrees apart. - ANSWER 120
Which of the following is not a common voltage supplied by a
wye-configured system? - ANSWER 240 VAC
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A grounded neutral wire can be used as an equipment ground. -
ANSWER False
A ground fault occurs when __________.
A. the ground conductor is opened
B. one of the phases is opened
C. one of the phases becomes grounded
D. the system becomes unbalanced - ANSWER One of the
phases becomes ungrounded
Which of the following is not a part of a fusible disconnect? -
ANSWER None of the above
A time-delay fuse only has one element. - ANSWER False
Which of the following is a factor that must be considered when
selecting overcurrent protection devices for a motor control
circuit? - ANSWER Rated full-load current of the motor
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Which of the following is a typical three-phase squirrel-cage
motor? - ANSWER All of the above
Which of the following items on a motor's nameplate is used to
determine how much output power a motor can safely produce
above its rated output power? - ANSWER Service Factory
If the service factor for a motor is not given on the nameplate,
what should you assume the service factor to be? - ANSWER 1
Which of the following is not a result of connecting a dual-
voltage motor to operate on the higher voltage? - ANSWER
Increased current draw
Which of the following is not a function of motor control? -
ANSWER None of the above
Which of the following is not a basic requirement for a typical
motor installation? - ANSWER All of the above
A motor starter is the same as a motor controller. - ANSWER
False
SACA Study Guide Motor Motor Control Questions with
Correct Answers
Parts of an electrical system that should be connected to earth
include _______. - ANSWER All of the above
The _______ is the accepting standard in the United States for
safely installing and maintaining electrical systems and
equipment. - ANSWER NEC (National Electrical Code)
Which of the following is not a basic rule of electrical safety? -
ANSWER Always work by yourself
Who should remove a lockout/tagout? - ANSWER Only the
person(s) who installed it
Three-phase power is transmitted in phases that are _______
degrees apart. - ANSWER 120
Which of the following is not a common voltage supplied by a
wye-configured system? - ANSWER 240 VAC
,2|Page
A grounded neutral wire can be used as an equipment ground. -
ANSWER False
A ground fault occurs when __________.
A. the ground conductor is opened
B. one of the phases is opened
C. one of the phases becomes grounded
D. the system becomes unbalanced - ANSWER One of the
phases becomes ungrounded
Which of the following is not a part of a fusible disconnect? -
ANSWER None of the above
A time-delay fuse only has one element. - ANSWER False
Which of the following is a factor that must be considered when
selecting overcurrent protection devices for a motor control
circuit? - ANSWER Rated full-load current of the motor
, 3|Page
Which of the following is a typical three-phase squirrel-cage
motor? - ANSWER All of the above
Which of the following items on a motor's nameplate is used to
determine how much output power a motor can safely produce
above its rated output power? - ANSWER Service Factory
If the service factor for a motor is not given on the nameplate,
what should you assume the service factor to be? - ANSWER 1
Which of the following is not a result of connecting a dual-
voltage motor to operate on the higher voltage? - ANSWER
Increased current draw
Which of the following is not a function of motor control? -
ANSWER None of the above
Which of the following is not a basic requirement for a typical
motor installation? - ANSWER All of the above
A motor starter is the same as a motor controller. - ANSWER
False
