Podcast
Questions and Answers
What is the main purpose of a hot oil system mentioned in the text?
What is the main purpose of a hot oil system mentioned in the text?
- To transfer heat from a central source to other areas of a plant (correct)
- To generate electricity
- To provide potable water
- To cool down the plant
How do heat transfer fluids (HTF) differ from steam, based on the text?
How do heat transfer fluids (HTF) differ from steam, based on the text?
- HTF systems are registered at a higher level than steam systems
- HTF systems are used in low-temperature applications
- HTF systems have higher vapor pressure
- HTF systems run at a lower temperature (correct)
Why are heat transfer fluids (HTF) like hot oils preferred in high-temperature process applications?
Why are heat transfer fluids (HTF) like hot oils preferred in high-temperature process applications?
- Because they are unstable at high temperatures
- Due to their low-energy efficiency
- To increase vapor pressure in the system
- For their high-energy efficiency and heat transfer rates (correct)
What caused the breakdown of the original oils used in heat transfer fluids when they were regularly exposed to high temperatures?
What caused the breakdown of the original oils used in heat transfer fluids when they were regularly exposed to high temperatures?
In what applications are heat transfer fluids (HTF), particularly hot oils, widely used?
In what applications are heat transfer fluids (HTF), particularly hot oils, widely used?
How are hot oil systems similar to hot water heating systems according to the text?
How are hot oil systems similar to hot water heating systems according to the text?
What is the purpose of locating the pump below the expansion tank?
What is the purpose of locating the pump below the expansion tank?
Why are centrifugal pumps preferred over gear pumps in liquid thermal systems?
Why are centrifugal pumps preferred over gear pumps in liquid thermal systems?
Why are circulating pumps in thermal fluid systems often water-cooled?
Why are circulating pumps in thermal fluid systems often water-cooled?
Which equipment is central to the return system in liquid thermal systems?
Which equipment is central to the return system in liquid thermal systems?
What type of equipment is mentioned as commonly occurring in all regions of thermal systems?
What type of equipment is mentioned as commonly occurring in all regions of thermal systems?
Why is it essential to clean the system and remove all traces of the old fluid before recharging with fresh fluid?
Why is it essential to clean the system and remove all traces of the old fluid before recharging with fresh fluid?
What hazard is posed by exposed piping systems in heat transfer fluid systems?
What hazard is posed by exposed piping systems in heat transfer fluid systems?
Why do most heat transfer fluid systems involve the use of a fired heater or furnace?
Why do most heat transfer fluid systems involve the use of a fired heater or furnace?
What is the most preferable type of pump in liquid thermal systems for heat transfer fluids?
What is the most preferable type of pump in liquid thermal systems for heat transfer fluids?
Which type of heater has an efficiency range of 40-50% due to the combustion gases not flowing across tube surfaces?
Which type of heater has an efficiency range of 40-50% due to the combustion gases not flowing across tube surfaces?
In which type of heater do combustion gases flow across tubes, transferring heat by conduction through extended tubes?
In which type of heater do combustion gases flow across tubes, transferring heat by conduction through extended tubes?
Why are combination radiant and convection heaters commonly applied in larger units?
Why are combination radiant and convection heaters commonly applied in larger units?
Where are gas burners typically mounted in a typical fired heater design?
Where are gas burners typically mounted in a typical fired heater design?
What is used to strengthen and support a typical fired heater design?
What is used to strengthen and support a typical fired heater design?
What is the purpose of a concrete dike that surrounds the foundation of a fired heater?
What is the purpose of a concrete dike that surrounds the foundation of a fired heater?
What is the purpose of an expansion tank in a hot oil system?
What is the purpose of an expansion tank in a hot oil system?
Why is it recommended to monitor the level of the expansion tank daily?
Why is it recommended to monitor the level of the expansion tank daily?
What is the purpose of a burner flame failure device in a hot oil system?
What is the purpose of a burner flame failure device in a hot oil system?
Why should the suction valve of the standby pump in a hot oil system be left open all the time?
Why should the suction valve of the standby pump in a hot oil system be left open all the time?
What does a high stack temperature indicator in a hot oil system help detect?
What does a high stack temperature indicator in a hot oil system help detect?
What is the function of an emergency shutdown device in a hot oil system?
What is the function of an emergency shutdown device in a hot oil system?
Why is a low hot oil flow indicating device installed in the outlet line from the heater?
Why is a low hot oil flow indicating device installed in the outlet line from the heater?
What does a high or low fuel level/pressure shutdown device prevent in a hot oil system?
What does a high or low fuel level/pressure shutdown device prevent in a hot oil system?
Where is a pressure/safety relief valve typically located in a hot oil system?
Where is a pressure/safety relief valve typically located in a hot oil system?
Why are two hot oil pumps usually installed in a system, one operating and one on standby?
Why are two hot oil pumps usually installed in a system, one operating and one on standby?
What is a key advantage of heat transfer fluids (HTFs) over steam in a heat transfer system?
What is a key advantage of heat transfer fluids (HTFs) over steam in a heat transfer system?
In a vapour-based heat transfer system, what is the operating temperature of the system?
In a vapour-based heat transfer system, what is the operating temperature of the system?
What is the purpose of the expansion tank in a thermal fluid system?
What is the purpose of the expansion tank in a thermal fluid system?
How do heat transfer fluids (HTFs) in liquid thermal systems usually move through the system?
How do heat transfer fluids (HTFs) in liquid thermal systems usually move through the system?
What causes corrosion problems within a heat transfer system using HTFs?
What causes corrosion problems within a heat transfer system using HTFs?
Which type of heat transfer system is generally more complex and expensive, requiring higher temperatures and heat transfer rates?
Which type of heat transfer system is generally more complex and expensive, requiring higher temperatures and heat transfer rates?
What is the main function of a heater in a heat transfer system?
What is the main function of a heater in a heat transfer system?
Which factor contributes to sedimentation issues in heat transfer systems?
Which factor contributes to sedimentation issues in heat transfer systems?
What happens to heat transfer fluids over time in elevated temperatures?
What happens to heat transfer fluids over time in elevated temperatures?
