Nccer electrical Level 2 Module 2 2025
COMPREHENSIVE EXAM QUESTIONS |FREQUENTLY
TESTED QUESTIONS |RECENTLY TESTING REAL EXAM
QUESTIONS|VERIFIED SOLUTIONS (100% CORRECT)
Any exposed live parts must be guarded if they are operating at - (ANSWER)50V
or more between terminals
Which of the following are most likely to use dynamic braking? -
(ANSWER)Forklifts
In a DC series motor, how much of its full-load torque is developed at starting? -
(ANSWER)500%
For a given number of poles, which of the following determines the speed of an
AC motor? - (ANSWER)Frequency
Which of the following motors is used where the required starting torque is high
and speed control is desirable - (ANSWER)compound
the synchronous speed at which a four-pole, 60Hz induction motor operates is -
(ANSWER)1,800 rpm
slip is best described as . . . - (ANSWER)The difference between the synchronous
speed and the speed of the rotor in an induction motor
, Which of the following motor operate on the principle of a rotating magnetic
field? - (ANSWER)induction motors
horsepower is used to rate the - (ANSWER)output capacity of a motor
How many motor designs does NEMA designate - (ANSWER)5
In a split-phase motor, how much greater is the starting current when compared
to the full-load current? - (ANSWER)6 to 8 times
The capacitor-start motor is the single-phase motor type that has the -
(ANSWER)highest starting torque
The wound rotor induction motor is used - (ANSWER)for speed control and to
limit starting current
which of the following is true of shaded-pole motor? - (ANSWER)they have a low
starting torque, a low efficiency, and a high noise level
For a constant-torque load, the horsepower increases and decreases -
(ANSWER)in direct proportion to the speed
the primary method of varying the speed on a dc shunt motor is to adjust the
voltage and current on the field winding or the - (ANSWER)armature
COMPREHENSIVE EXAM QUESTIONS |FREQUENTLY
TESTED QUESTIONS |RECENTLY TESTING REAL EXAM
QUESTIONS|VERIFIED SOLUTIONS (100% CORRECT)
Any exposed live parts must be guarded if they are operating at - (ANSWER)50V
or more between terminals
Which of the following are most likely to use dynamic braking? -
(ANSWER)Forklifts
In a DC series motor, how much of its full-load torque is developed at starting? -
(ANSWER)500%
For a given number of poles, which of the following determines the speed of an
AC motor? - (ANSWER)Frequency
Which of the following motors is used where the required starting torque is high
and speed control is desirable - (ANSWER)compound
the synchronous speed at which a four-pole, 60Hz induction motor operates is -
(ANSWER)1,800 rpm
slip is best described as . . . - (ANSWER)The difference between the synchronous
speed and the speed of the rotor in an induction motor
, Which of the following motor operate on the principle of a rotating magnetic
field? - (ANSWER)induction motors
horsepower is used to rate the - (ANSWER)output capacity of a motor
How many motor designs does NEMA designate - (ANSWER)5
In a split-phase motor, how much greater is the starting current when compared
to the full-load current? - (ANSWER)6 to 8 times
The capacitor-start motor is the single-phase motor type that has the -
(ANSWER)highest starting torque
The wound rotor induction motor is used - (ANSWER)for speed control and to
limit starting current
which of the following is true of shaded-pole motor? - (ANSWER)they have a low
starting torque, a low efficiency, and a high noise level
For a constant-torque load, the horsepower increases and decreases -
(ANSWER)in direct proportion to the speed
the primary method of varying the speed on a dc shunt motor is to adjust the
voltage and current on the field winding or the - (ANSWER)armature
