Quiz on Gas Turbine System Stopping Procedures

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