Discuss why 7 . A four - stroke cycle engine may or may not have a pressure
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Question:
Discuss why
A fourstroke cycle engine may or may not have a pressure boost in the intake
system.
The twostroke cycle engine must always have an intake pressure boost.
The marine engine operates on a twostroke cycle.
In compression ignition engines, no fuel is added to the incoming air, so that
compression is done on air only.
In twostroke SI engines, scavenging lasts until piston passes BDC and closes intake and exhaust ports.
In CI engines, combustion occurs at constant pressure.
Knock usually occurs at WOT when the engine is loaded.
Knock may occur in the termination stage of combustion.
For the same input conditions and same compression ratio diesel cycle is less than dual and Otto cycles.
Race cars are sometimes operated with a lean mixture.
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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