Select Your Favourite
Category And Start Learning.

  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • What is the typical compression ratio range for a diesel engine? (MCAER 2018)

    Question: What is the typical compression ratio range for a diesel engine? (MCAER 2018)

    Options:

    5:1 to 10:1
    14:1 to 20:1
    25:1 to 30:1
    35:1 to 40:1

    ✅Explanation: Diesel engines require a high compression ratio (14:1 to 20:1) for diesel fuel ignition without a spark plug.
    🔑Key Points:: Diesel Engine

    ✏️Processes involved:
    -Reversible adiabatic compression (1-2)
    -Constant pressure heat addition (2-3)
    -Reversible adiabatic expansion (3-4)
    -Constant volume heat rejection (4-1)
    -Fuel: Diesel
    -Air intake: Air alone is sucked into the cylinder during suction stroke
    -Compression ratio: High (up to 24:1)
    -Compression pressure: High (400-550 PSI)
    -Compression temperature: High
    -Cycle: Constant pressure cycle
    -Fuel ignition: Heat of highly compressed air
    -Combustion: Constant pressure
    -Fuel injection: Injector, fuel injection pumps, and atomizers

      0
      Your Cart
      Your cart is emptyReturn to Shop