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Examoogle • User • info@examoogle.com • EE-2024-8821
Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
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Which of the following is not the standard defending the Guide for testing rotating machine?
IS 4029:2010
IS 7132:1973
IS 9320:1979
IS 2026:Part1-10
IS 2026:Part1-10
Quick Summary: IS 2026 is the Indian Standard specifically reserved for 'Power Transformers' (Part 1 to 10), not for rotating electrical machines. The standards IS 4029, IS 7132, and IS 9320 provide guidelines for the testing, cooling, and classification of rotating electrical machines respectively.
IS 2026 is the Indian Standard specifically reserved for 'Power Transformers' (Part 1 to 10), not for rotating electrical machines. The standards IS 4029, IS 7132, and IS 9320 provide guidelines for the testing, cooling, and classification of rotating electrical machines respectively.
Pout=τ⋅ω — Mechanical power output of a rotating machine
ns=P120f — Synchronous speed of an AC rotating machine
IS 4029:2010 covers the guide for testing three-phase induction motors.
IS 7132:1973 provides the guide for testing synchronous machines.
IS 9320:1979 covers the guide for testing DC machines.
IS 2026:Part 1-10 relates to the construction, testing, and performance of power transformers.
Standardization ensures uniform quality control across manufacturers.
Guidelines allow for comparable efficiency and performance metrics.
Standards require periodic revision to incorporate newer insulation and cooling technology.
Factory Acceptance Testing (FAT)
Routine quality assurance in electrical manufacturing
IS 2026 is based on the international standard IEC 60076.
Engineers must distinguish between static device standards (transformers) and rotational device standards.
D is correct — IS 2026:Part 1-10 is the standard for Power Transformers, not for rotating electrical machines.
Always verify the application domain (Static vs. Rotating) when selecting Indian Standards, as IS 2026 is synonymous with transformer testing in most competitive electrical exams.