Question

If a boiler is fired to full capacity, the header valve being closed, the safety valves or valve should prevent steam pressure from rising above:

a) 4% above S.W.P. or valve setting
b) 5% above S.W.P. or valve setting
c) 6% above S.W.P. or valve setting
d)10 % above S.W.P. or valve setting

Answer 1

The safety valves on a boiler are designed to prevent steam pressure from rising to unsafe levels.

Step-by-step explanation:

The safety valves on a boiler are designed to prevent the steam pressure from rising to unsafe levels. In this case, if the boiler is fired to full capacity with the header valve closed, the safety valves should prevent the steam pressure from rising above a certain limit. The options provided are:

• a) 4% above S.W.P. or valve setting
• b) 5% above S.W.P. or valve setting
• c) 6% above S.W.P. or valve setting
• d) 10% above S.W.P. or valve setting

To determine the correct answer, we need to know what S.W.P. stands for and the valve setting. Without this information, it is not possible to choose the correct option.