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NCCER electrical Level 2 Module 2 Exam Questions with Complete Solutions $10.49   Add to cart

Exam (elaborations)

NCCER electrical Level 2 Module 2 Exam Questions with Complete Solutions

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  • Course
  • NCCER Electrical
  • Institution
  • NCCER Electrical

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 give...

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  • September 4, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NCCER Electrical
  • NCCER Electrical
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NCCER electrical Level 2 Module 2 Exam
Questions with Complete Solutions
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

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