High pressure boilers operate at 1. Lower than 15 psig 2. Higher than 15 psig 3. 15 psig 4. None of above

High pressure boilers operate at
1. Lower than 15 psig
2. Higher than 15 psig
3. 15 psig
4. None of above
by

1 Answer

Answer :

2. Higher than 15 psig
by

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