Q. Hydraulic testing of boilers is done at pressures

(A) Slightly above atmospheric pressure
(B) Below and above atmosphere
(C) At half the working pressure of boiler
(D) At 1

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✅ Correct Answer: (D) At 1

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:37 pm in Machine Design

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