Podcast
Questions and Answers
Why is leakage of compressed gases around the shaft of a compressor considered detrimental?
Why is leakage of compressed gases around the shaft of a compressor considered detrimental?
- It improves the performance of the compressor
- It results in energy wastage (correct)
- It increases the efficiency of the compressor
- It causes safety hazards only
Where are labyrinth seals typically used?
Where are labyrinth seals typically used?
- In air compressors where some gas leakage is acceptable (correct)
- In environments where zero gas leakage is permissible
- In compressors handling combustible gases
- In compressors handling toxic gases
What is a characteristic feature of labyrinth seals that makes them effective at preventing gas leakage?
What is a characteristic feature of labyrinth seals that makes them effective at preventing gas leakage?
- They present an intricate path for escaping gases (correct)
- They allow direct escape of gases
- They have a wide clearance to the shaft
- They have smooth edges
How are carbon ring seals different from labyrinth seals?
How are carbon ring seals different from labyrinth seals?
Why can the entire seal assembly of carbon ring seals be removed from the compressor?
Why can the entire seal assembly of carbon ring seals be removed from the compressor?
What type of seal creates a thin liquid film between the seal and the rotating shaft?
What type of seal creates a thin liquid film between the seal and the rotating shaft?
Why is it important to cool the air in between compression stages and after the last stage?
Why is it important to cool the air in between compression stages and after the last stage?
What could happen if oil vapour is not condensed and removed from the compressed air?
What could happen if oil vapour is not condensed and removed from the compressed air?
How do intercoolers contribute to the compression process?
How do intercoolers contribute to the compression process?
What type of aftercooler is typically used when the compressor itself is air-cooled?
What type of aftercooler is typically used when the compressor itself is air-cooled?
What purpose does the cyclone separator serve in relation to the aftercooler?
What purpose does the cyclone separator serve in relation to the aftercooler?
Which of the following is a role of adsorbents in an air dryer system?
Which of the following is a role of adsorbents in an air dryer system?
What is one potential consequence of moist control air in instrumentation lines?
What is one potential consequence of moist control air in instrumentation lines?
Why is it crucial to have separators installed close to aftercoolers?
Why is it crucial to have separators installed close to aftercoolers?
What is a primary function of an air dryer filled with adsorbents like silica gel in an air dryer system?
What is a primary function of an air dryer filled with adsorbents like silica gel in an air dryer system?
What is the purpose of regenerating the adsorbent in air dryers?
What is the purpose of regenerating the adsorbent in air dryers?
Why are absorbents not commonly used in air dryers?
Why are absorbents not commonly used in air dryers?
What is the function of an air receiver in a compressed air system?
What is the function of an air receiver in a compressed air system?
Why should safety valves in air receivers be tested regularly?
Why should safety valves in air receivers be tested regularly?
What can result from overpressure conditions in an air receiver?
What can result from overpressure conditions in an air receiver?
Why are check valves used in a compressed air distribution system?
Why are check valves used in a compressed air distribution system?
How do refrigerated air dryers work to remove moisture from compressed air?
How do refrigerated air dryers work to remove moisture from compressed air?
What is one of the functions of an air-to-air heat exchanger in a refrigerated air dryer system?
What is one of the functions of an air-to-air heat exchanger in a refrigerated air dryer system?
Which of the following is NOT typically a component of an air receiver?
Which of the following is NOT typically a component of an air receiver?
What is a crucial reason for keeping safety valves in an air receiver properly maintained?
What is a crucial reason for keeping safety valves in an air receiver properly maintained?
What is the purpose of the oil injected between the rings in a seal?
What is the purpose of the oil injected between the rings in a seal?
Why are mechanical seals preferred over labyrinth or carbon ring seals?
Why are mechanical seals preferred over labyrinth or carbon ring seals?
In what type of compressors are oil-free packing ring seals commonly used?
In what type of compressors are oil-free packing ring seals commonly used?
What is a characteristic of dry gas seals compared to other seal types?
What is a characteristic of dry gas seals compared to other seal types?
Why are tandem dry gas seals used with flammable and toxic gases?
Why are tandem dry gas seals used with flammable and toxic gases?
Which type of bearing material is typically used in smaller compressors?
Which type of bearing material is typically used in smaller compressors?
How are compressor bearings lubricated in the splash system?
How are compressor bearings lubricated in the splash system?
Which type of compressor does not require internal lubrication?
Which type of compressor does not require internal lubrication?
What is the purpose of an intercooler in a compressor system?
What is the purpose of an intercooler in a compressor system?
In reciprocating compressors, how is cylinder lubrication mainly provided?
In reciprocating compressors, how is cylinder lubrication mainly provided?
What is the function of the pressure relief valve in a compressor?
What is the function of the pressure relief valve in a compressor?
Why do some applications, like in food processing and medical industries, require oil-free compressors?
Why do some applications, like in food processing and medical industries, require oil-free compressors?
For small single-acting reciprocating compressors, what lubrication system is frequently used?
For small single-acting reciprocating compressors, what lubrication system is frequently used?
What part of a compressor system is responsible for removing some heat of compression after the first stage?
What part of a compressor system is responsible for removing some heat of compression after the first stage?
How is lubricating oil delivered to the cylinder walls in reciprocating compressors?
How is lubricating oil delivered to the cylinder walls in reciprocating compressors?
