Nccer electrical Level 2 Module 2 QUESTIONS & ANSWERS(RATED A)
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Course
NCCER
Institution
NCCER
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%
Nccer electrical Level
2 Module 2
QUESTIONS &
ANSWERS(RATED A)
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
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