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Nccer electrical Level 2 Module 2 With complete solution Latest 2024/25 RATED A+
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Nccer electrical Level 2 Module 2 With complete solution Latest 2024/25 RATED A+
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Nccer electrical Level 2 Module 2 Withcomplete solution Latest 2024/25 RATED A+
A motor enclosure that minimizes the entrance of a rain and airborne particles to the
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electrical parts is consider a ___ motor ? - Correct Answers weather-protected
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II A three phase induction motor may have - Correct Answers 2 poles
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a three phase synchronous motor has three stator windings that are - Correct Answers
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120 degrees apart
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A wound rotor motor has been recently put back into service but is now rotating in the
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wrong direction. after examining the motor, you find that lead L1 is connected to T2, L2,
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T3 to T1. to correct the rotating, you should: - Correct Answers connect L2 to T1, L2 to
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T3, and L3 to T2
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According to NEMA definition, which of the following is a type of open motor - Correct
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Answers eather-protected
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According to NEMA definitions, which of the following is a type of totally enclosed motor?
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- Correct Answers water-cooled
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Any exposed live parts must be guarded if they are operating at - Correct Answers 50V
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or more between terminals
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II DC injection braking is used on - Correct Answers the stationary windings of AC motors
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due to the absence of any moving electrical contacts, which type of motor should be used
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where the motor is exposed - Correct Answers squirrel cage induction motor
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For a constant-torque load, the horsepower increases and decreases - Correct Answers
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in direct proportion to the speed
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For a given number of poles, which of the following determines the speed of an AC
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motor? - Correct Answers Frequency
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II horsepower is used to rate the - Correct Answers output capacity of a motor II II II II II II II II II II II II II II II II
II How many motor designs does NEMA designate - Correct Answers 5
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In a DC series motor, how much of its full-load torque is developed at starting? - Correct
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Answers 500%
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