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What is Swelling and shrinking effect in boiler drum?
The swelling and shrinking effect in a boiler drum refers to the physical changes in the drum's volume due to temperature variations and pressure changes during operation. When the boiler is heated, the water inside converts to steam, causing the drum to swell as the pressure increases and the water expands. Conversely, when the boiler cools down or experiences a drop in pressure, the drum may shrink as the steam condenses back into water. This phenomenon is important to consider for the structural integrity and safety of the boiler system.
What safety measures should do by boiler tender during his watch?
The first and most important thing the operator must do at the start of his watch is to check the true water level in the boiler. This is done by first blowing down the water column, then blowing down the gage glass, remembering to close the gage cocks individually and reopening them to the proper position. Next he should check with the previous operator and check the log books for any known problems. Checking the safety valves, bottom blowing the boiler, testing chemistry of the water, checking safety cutoffs, and blowing soot off the tubes are all regular shift operations that must be done to maintain a safe operating condition of the boiler. Also, cleaning the boiler room is very important and shouldn't be overlooked, more operators are injured by slips and trips than any other hazard.
Which Loop avoids check at every iteration?
All loops available in Java (for, while, do-while) have a loop termination condition that would get executed during every iteration of the loop. Without checking the loop condition the loop cannot be terminated and hence avoiding the loop condition check during iteration is not logic and Java does not do it.
What is the SI unit of electric charge?
That's the coulomb, equal to the quantity of charge moved by a current of 1 ampere during an interval of 1 second.
What is HP LP bypass system?
High pressure (HP) and Low pressure (LP) bypass systems are used for quick start-up of the unit as well as during trip-out, where load rejection at the turbine does not automatically lead to a boiler trip. With a bypass system, start-up is quicker. The system diverts the steam generated by the boiler to the Re-heater/Condenser, at the same time reducing the pressure and temperature of steam, thus maintaining a minimum circulation of steam through the boiler. This enables running the boiler without the turbine in service, ensuring flow through re-heater coils. HP-LP bypass system has the following advantages :- 1.The prolonged venting of safety valves to atmosphere is avoided, thereby reducing DM water loss and cutting noise emission. 2.Sustained flow through the boiler heating surfaces is assured, ensuring Re-heater protection during start-up of units. 3.If the grid cannot accept power, the unit can be kept running on house load.
What happens to the old back boiler during replacement?
The old boiler is removed and properly disposed of by Boiler Hut engineers during the back boiler replacement process.
Can you isolate muscles during exercise?
with proper form you can.
What is Auxiliary Boiler?
An auxiliary boiler is a secondary boiler used to support the main boiler in a steam power plant or marine vessel. It is often used when the main boiler is unable to meet the steam demands, providing additional steam capacity. Auxiliary boilers can also be used for heating purposes during maintenance or downtime of the main boiler.
What to do during a wet and dry preservation of a marine boiler?
During wet preservation, fill the boiler completely with water and add a suitable chemical corrosion inhibitor. For dry preservation, thoroughly drain the boiler and use desiccants or nitrogen gas to remove any remaining moisture. Additionally, ensure all openings are sealed to prevent moisture ingress during both wet and dry preservation methods.
What are the origins of the word isolate?
The word isolate was a new formation of word isolation and was created in 1786. It was created during a time period where French language was being manipulated.
What was the time condition of bohol during that time?
what was the time condition of bohol during that time
What is a central heating service?
Central heating service is an annual service that should be carried out by a boiler engineer. During this service they must check to make sure a boiler is running safe and cost-effectively.
Who was in charge during Bunker Hill?
George Washington was in charge.
What did Henry's friend do during the charge?
Henry's friend took the confederate flag from the rebel holders during the charge.
What was the charge that took place during the Gettysburg battle?
Pickett's charge.
Who is in charge of the firefighting crew during a worker?
A Back-stepper is in charge
Who seemed to be in charge of the church during the Renaissance?
The Pope was in charge of the church during the Renaissance. Throughout the Renaissance, there were several popes.
