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4.5 Control questions:
                   1.  How  are  thermal  internal  combustion  engines
            classified:  by the  number of cylinders, their  location,  mixing,
            speed, toxicity, etc.?
                   2. From what basic processes is the working cycle of the
            thermal engine?
                   3. What are the main differences in the implementation
            of the working cycle of carburettor, diesel and gas turbine heat
            engines.
                   4. What are the main differences in the implementation
            of the working cycle of a two- and four-stroke engine.
                   5. How do the crooked crank mechanism are classified?
                   6. What is called the tact of the engine, the worker, the
            full  cylinder  volume  and  the  volume  of  the  combustion
            chamber?
                   7. From what materials are made a block of cylinders, a
            piston,  a  piston  finger,  a  ring,  a  connecting  rod,  bearings,  a
            flywheel, a crankshaft?
                   8.  What  is the difference  between the  body of thermal
            motors of water and air cooling?
                   9. What is the flywheel?
                   10. Explain how the piston finger is lubricated?
                   11. Which bearings are used for connecting rods?











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