Podcast
Questions and Answers
What is the first step to start the plant operation?
What is the first step to start the plant operation?
- Switch on the lube pump for refrigeration package operation
- Select the Manual mode for the respective compressor (correct)
- Initiate the 'Ready to Start' signal to LCP
- Start the respective compressor through the auto mode
How is the 'Ready to Start' indication lamp verified before starting the compressor?
How is the 'Ready to Start' indication lamp verified before starting the compressor?
- By pressing the Load/Unload push buttons on LCP
- By energizing/de-energizing solenoid valves
- By switching on the lube pump
- By ensuring necessary cooling water flow (correct)
What type of logic is considered for ESD interlocks in critical loops?
What type of logic is considered for ESD interlocks in critical loops?
- 2oo2
- 1oo3
- 2oo3 (correct)
- 1oo2
How does the operator load/unload the compressor in Manual mode?
How does the operator load/unload the compressor in Manual mode?
What action follows after satisfying all the interlocks before starting the compressor?
What action follows after satisfying all the interlocks before starting the compressor?
Which push buttons are used by the operator to load/unload the compressor in Manual mode?
Which push buttons are used by the operator to load/unload the compressor in Manual mode?
What initiates the Loading / Unloading of the compressor in Auto Mode?
What initiates the Loading / Unloading of the compressor in Auto Mode?
What is the consequence if the Actual Differential Oil Pressure falls below 1.5 Kg/cm2g?
What is the consequence if the Actual Differential Oil Pressure falls below 1.5 Kg/cm2g?
How does the system ensure that the lube oil pump starts before the compressor in Manual mode?
How does the system ensure that the lube oil pump starts before the compressor in Manual mode?
Which parameter interlocks the secondary seal cooling pump to prevent its start?
Which parameter interlocks the secondary seal cooling pump to prevent its start?
What prohibits the compressor from starting between two successive startups?
What prohibits the compressor from starting between two successive startups?
When should the standby lube oil pump be started manually?
When should the standby lube oil pump be started manually?
