Nccer electrical Level 2 Module 2
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Any exposed live parts 50V or more between terminals
must be guarded if they
are operating at
Which of the following are Forklifts
most likely to use dynamic
braking?
In a DC series motor, how 500%
much of its full-load
torque is developed at
starting?
For a given number of Frequency
poles, which of the
following determines the
speed of an AC motor?
Which of the following compound
motors is used where the
required starting torque is
high and speed control is
desirable
the synchronous speed at 1,800 rpm
which a four-pole, 60Hz
induction motor operates
is
slip is best described as . . The difference between the synchronous speed and
. the speed of the rotor in an induction motor
, Which of the following induction motors
motor operate on the
principle of a rotating
magnetic field?
horsepower is used to rate output capacity of a motor
the
How many motor designs 5
does NEMA designate
In a split-phase motor, 6 to 8 times
how much greater is the
starting current when
compared to the full-load
current?
The capacitor-start motor highest starting torque
is the single-phase motor
type that has the
The wound rotor induction for speed control and to limit starting current
motor is used
which of the following is they have a low starting torque, a low efficiency, and a
true of shaded-pole high noise level
motor?
For a constant-torque in direct proportion to the speed
load, the horsepower
increases and decreases
the primary method of armature
varying the speed on a dc
shunt motor is to adjust
the voltage and current on
the field winding or the
According to NEMA eather-protected
definition, which of the
following is a type of open
motor
Save
Any exposed live parts 50V or more between terminals
must be guarded if they
are operating at
Which of the following are Forklifts
most likely to use dynamic
braking?
In a DC series motor, how 500%
much of its full-load
torque is developed at
starting?
For a given number of Frequency
poles, which of the
following determines the
speed of an AC motor?
Which of the following compound
motors is used where the
required starting torque is
high and speed control is
desirable
the synchronous speed at 1,800 rpm
which a four-pole, 60Hz
induction motor operates
is
slip is best described as . . The difference between the synchronous speed and
. the speed of the rotor in an induction motor
, Which of the following induction motors
motor operate on the
principle of a rotating
magnetic field?
horsepower is used to rate output capacity of a motor
the
How many motor designs 5
does NEMA designate
In a split-phase motor, 6 to 8 times
how much greater is the
starting current when
compared to the full-load
current?
The capacitor-start motor highest starting torque
is the single-phase motor
type that has the
The wound rotor induction for speed control and to limit starting current
motor is used
which of the following is they have a low starting torque, a low efficiency, and a
true of shaded-pole high noise level
motor?
For a constant-torque in direct proportion to the speed
load, the horsepower
increases and decreases
the primary method of armature
varying the speed on a dc
shunt motor is to adjust
the voltage and current on
the field winding or the
According to NEMA eather-protected
definition, which of the
following is a type of open
motor
