Prime Movers- Internal Combustion Engines Flashcards
The connecting rod is the link between the _____ and the _____?
Wrist pin and crankshaft
Timing gears link the?
Camshaft and crankshaft
An engine is a mechanical device that converts _____ to _____
Chemical energy to mechanical energy
The stroke of an engine is?
Movement of the piston from TDC to BDC
Clearance volume is?
The volume remaining above the piston when it is at TDC
Integral engines are?
Are built with the load as part of the engine
The four strokes of a 4 stroke engine in order are?
ICPE. Intake, Compression, Power, Exhaust
Industrial engines with removable liners most commonly have which type?
Wet liners
Liners that are within specification can be repaired with?
Ball deglazers and hone
Compression rings are activated by?
Compression and combustion gasses
The highest rate of wear on an industrial engine occurs?
On start up
Supercharging is the process of?
Increasing the mass of air in the cylinders to above atmospheric pressure
Electronic ignition systems?
Use electronic switches to open and close primary circuits
Aluminum pistons are fitted tighter than cast irons pistons
False
Worn or scored cylinder liners affect engine performance and oil consumption, and lead to increase crankcase pressure. (True or False)
True
The flywheel is used to stabilize speed fluctuations and store power to carry the engine to the next stroke? (True or false)
True
The most common cause of bearing failure?
Loss of lubrication
Full flow filtration occurs when?
All of the oil flows through an oil filter
The larger the engine the greater the amount of oil consumption
True
Crankcase ventilation is necessary to remove?
Blowby and water vapor
Water pumps are?
Centrifugal pumps
The speed ratio of the camshaft to the crankshaft in the 4 stroke engine?
1/2 the crank speed
The mass an industrial engine foundation should be?
2.5 times the complete engine
Compression ignition (CI) engines typically have compression ratios of?
18:1
