NEIEP 820 QUESTIONS AND ANSWERS 2024-25 (A+ COMPLETE SOLUTION)
NEIEP 820 QUESTIONS AND ANSWERS 2024-25 (A+ COMPLETE SOLUTION) Why are frequent inspections of line starter contractors necessary? - ANS-High current causes contact arcing. During hydraulic pump motor starting which of the following is true? - ANS-Line current is high In order to take advantage of wye-delta starting for a pump unit what is required? - ANS-Two line starters Why is it important to only operate line starters with their covers in the proper location? - ANS-To prevent flashover between contacts What is the operation quality of a soft start converter that prevents voltage sag and dimming of lights in a building often associated with hydro pump starting? - ANS-Starting current is maintained at a preset rate. What is a special requirement for hydraulic elevator systems that use a flexible line installed in high pressure portions of the system? - ANS-Replacement at six-year intervals Of the following items which has the greatest effect on the leveling accuracy of a hydraulic elevator? - ANS-...
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neiep 820 questions and answers 2024 25
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why are frequent inspections of line starter contr
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during hydraulic pump motor starting which of the
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in order to take advantage of
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