Podcast
Questions and Answers
What is the purpose of the air-starting valves fitted in the cylinder heads?
What is the purpose of the air-starting valves fitted in the cylinder heads?
- To inject fuel into the cylinders
- To regulate the flow of lubricating oil to the moving parts
- To direct high-pressure air to each cylinder during its power stroke (correct)
- To monitor temperatures and pressures of the lubricating oil
What should be done before starting up to ensure prompt delivery of lubricating oil to all the moving parts?
What should be done before starting up to ensure prompt delivery of lubricating oil to all the moving parts?
- Operate the hand-operated lubricating pumps
- Check the level of oil in the main reservoir
- Fill all lubricators and open the feeds (correct)
- Prime the fuel injection pump to deliver fuel oil to the cylinders
What happens after the engine turns on compressed air?
What happens after the engine turns on compressed air?
- The hand-operated lubricating pumps are activated
- The fuel injection pump is shut off
- The engine operates by burning fuel in all cylinders (correct)
- The engine is shut down
What can cause pistons, cylinder walls, fuel injectors, and exhaust valves to become coated with deposits?
What can cause pistons, cylinder walls, fuel injectors, and exhaust valves to become coated with deposits?
What may result from improper fuel oil selection?
What may result from improper fuel oil selection?
What is the main issue with using an open cooling system for a diesel engine?
What is the main issue with using an open cooling system for a diesel engine?
In a closed cooling system for a diesel engine, what keeps the engine coolant pure?
In a closed cooling system for a diesel engine, what keeps the engine coolant pure?
What is the purpose of the shell and tube heat exchanger in a diesel engine closed cooling system?
What is the purpose of the shell and tube heat exchanger in a diesel engine closed cooling system?
What problem can occur if coolant temperatures in a diesel engine exceed the manufacturer’s recommendation?
What problem can occur if coolant temperatures in a diesel engine exceed the manufacturer’s recommendation?
What additional function does a diesel standby generator perform?
What additional function does a diesel standby generator perform?
How are the majority of stationary industrial type diesel engines started?
How are the majority of stationary industrial type diesel engines started?
What is the purpose of turning the engine crankshaft during starting?
What is the purpose of turning the engine crankshaft during starting?
What is the typical air pressure for the starting motor of a diesel engine?
What is the typical air pressure for the starting motor of a diesel engine?
What is done to emergency generators powered by diesel engines to ensure quick and reliable starting?
What is done to emergency generators powered by diesel engines to ensure quick and reliable starting?
What operates the air-distributing device in some diesel engines?
What operates the air-distributing device in some diesel engines?
