vbs Flashcards
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1
Q
Percentage of Frictional losses in good engine
A
No more than 80%
2
Q
Frictional losses ဘယ္မွာျဖစ္?
A
Cylinder rings
Main bearing
Cam shaft bearing
3
Q
Pumping losses ဘယ္မွာျဖစ္?
A
Intake and exhaust processes
4
Q
Power losses to drive components to charge
Scavenging
A
In four stroke …. turbocharged
In two stroke scavenging pump
5
Q
Power losses to drive to drive other auxiliary components
A
Wate pump Lubrication oil pump Fuel pump Cooling fan ect ....