Question 90Steam Plants - Assistant Engineer70% to pass
The time taken to raise steam on a cold boiler should always be _______________.
AI Explanation
The correct answer is B) the time specified by the boiler manufacturer.
The time taken to raise steam on a cold boiler should be the time specified by the boiler manufacturer. This is because the boiler manufacturer has carefully designed the boiler and determined the appropriate time and procedure for safely raising steam pressure from a cold start. Rushing the process (option D) or arbitrarily setting a 24-hour minimum (option A) could lead to excessive thermal expansion or other issues that could damage the boiler. Option C of limiting to 1 hour is too restrictive and may not allow for the proper, safe boiler warm-up as specified by the manufacturer.
Related Questions
#88 If a boiler is brought on the line with its steam pressure much higher than that of the boiler already on the line, there is danger of _______________.#89 When preparing to cut a boiler in on the line, you determine that the steam pressure of the incoming boiler is about 5 psig above line pressure. Which of the following steps should you take next? #91 When raising steam on a cold boiler under normal conditions, you should always _______________.#92 While raising steam on a cold boiler, the air cock is to be closed after _______________.#93 The purpose of the steam control valves installed in the auxiliary exhaust line is to _______________.