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In a four cylinder, four stroke, diesel engine operating at 1500 the duration of fuel injection is 20°. Time in milliseconds during which fuel is injected would be
  • a)
    2.22 ms
  • b)
    3.22 ms
  • c)
    1.22 ms
  • d)
    0.92 ms
Correct answer is option 'A'. Can you explain this answer?
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Milliseconds. This means that the fuel injector is open for 20 milliseconds during each combustion cycle. The amount of fuel injected during this time is determined by the engine's fuel system and fuel pump, and is typically measured in cubic centimeters (cc) or milligrams (mg) of fuel per injection.

The timing and duration of fuel injection are critical factors in achieving efficient combustion and maximizing engine power and fuel economy. Modern diesel engines use sophisticated electronic control systems to precisely regulate fuel injection based on a variety of sensor inputs, including engine speed, load, temperature, and emissions levels. These systems can adjust fuel injection timing and duration on-the-fly to optimize performance under different driving conditions and to meet increasingly stringent emissions standards.
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In a four cylinder, four stroke, diesel engine operating at 1500 the duration of fuel injection is 20°. Time in milliseconds during which fuel is injected would bea)2.22 msb)3.22 msc)1.22 msd)0.92 msCorrect answer is option 'A'. Can you explain this answer?
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