[Solved] Why starting valve is closed and valve 2 is opened while taking boiler on range in Benson boiler?

Q.	Why starting valve is closed and valve 2 is opened while taking boiler on range in Benson boiler?
A.	avoid excessive heating of tube
B.	to maintain the constant flow of water
C.	to avoid pressure built up in tubes
D.	to avoid pipe leakages at joints
Answer» A. avoid excessive heating of tube

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