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

To maintain the constant flow of water

Avoid excessive heating of tube

To avoid pressure built up in tubes

To avoid pipe leakages at joints

Why starting valve is closed and valve 2 is opened while taking boiler

1.	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» B. To maintain the constant flow of water