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At least () cylinders in four-stroke engine will be config

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  • [单选题]At least () cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.

  • A. 6
    B. 2
    C. 12
    D. 8

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  • [单选题]If the engine does start on air, but combustion does not immediately begin, the cause may not be ().
  • A. low compression
    B. failure of the fuel pump to discharge fuel
    C. incorrect timing of fuel pump
    D. turning gear being still o

  • [单选题]The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives ().
  • A. the oil separator
    B. the fresh water generator
    C. the compressor
    D. fire pum

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