WorksheetsQuiz on Gas Turbine System Stopping Procedures
Total questions: 14
Worksheet time: 7mins
What is the first step in the general procedure for stopping a marine gas turbine?
Shut down auxiliary systems
Secure the turbine
Reduce load
Close dampers
What should be done after the engine has been shut down?
Activate the fire alarm system
Secure auxiliary systems
Close the main fuel shut-off valve
Open vent valves
Which system's main shut-off valve should be closed to prevent fuel from entering the turbine?
Lubrication system
Cooling system
Fuel system
Exhaust system
What must be maintained to allow internal parts to cool down?
Exhaust pressure
Fuel flow rate
Oil pressure
Water flow
What should be done to the oil flow after allowing the engine to cool down?
Activate oil pump
Maintain oil pressure
Increase oil flow
Stop oil flow
What is the purpose of closing the main seawater inlet and outlet valves?
To reduce load
To activate the fire alarm
To secure the turbine
To stop water flow
What should be done to the exhaust dampers if applicable?
Adjust them
Open them
Close them
Inspect them
What is the first safety precaution mentioned?
Consult manufacturer's manual
Wear appropriate PPE
Verify fire protection system status
Follow emergency procedures
What type of equipment should always be worn during the shutdown procedure?
Personal protective equipment
Standard clothing
No specific equipment
Casual wear
What should be done if an emergency arises?
Follow the ship's emergency procedures
Activate the alarm
Ignore the situation
Consult the manual
What is the purpose of the fire protection system verification?
To reduce load
To stop the turbine
To activate the alarm
To ensure it is in a ready state
What is a key note regarding the procedures for stopping a marine gas turbine?
They are general guidelines
They are optional
They are specific for all models
They are outdated
What should be done to the fuel supply after the turbine has stopped?
Close the main fuel shut-off valve
Increase the fuel flow
Activate the fuel pump
Leave it open
What is the last step in securing the turbine?
Stopping oil flow
Shutting off fuel supply
Closing valves
Applying wheel brakes
