Draw a labelled block diagram of CRDI system

Draw a labelled block diagram of CRDI system
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block diagram of CRDI system

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Draw a block diagram of CRDI system and describe its working.

Description : Draw a block diagram of CRDI system and describe its working.

Last Answer : Working of CRDI system: High pressure pump provides high pressure fuel to the common rail. The common rail stores the fuel and maintains a constant pressure in the common rail line (approximately 1500 bars.). ... rate can be modified by controlling the nozzle needle movement. OR

Draw a layout of fuel injection system in CRDI diesel engine. State its fundamental requirement.

Description : Draw a layout of fuel injection system in CRDI diesel engine. State its fundamental requirement.

Last Answer : Fundamental requirement:-The line diagram of CRDI shows that the system is controlled by ECU. The sensors in the system are used to feed the input in the ECU.ECU will provide the signal ... fuel injector, common rail, High pressure fuel pump, ECM/ECU, Pressure sensor, Rail pressure limiter. 

List any four advantages of CRDI system and write its operation.

Description : List any four advantages of CRDI system and write its operation.

Last Answer : Advantages of CRDI System: 1. Deliver 25% more power and torque than the normal direct injection engine. 2. Lower levels of noise and vibration. 3. Lower emissions. 4. Lower ... activating solenoid valve, whereas the injection rate can be modified by controlling the nozzle needle movement. 

State four advantages of CRDI system.

Description :  State four advantages of CRDI system. 

Last Answer : Advantages of CRDI System:  1. Deliver 25% more power and torque than the normal direct injection engine. 2. Lower levels of noise and vibration. 3. Lower emissions. 4. Lower fuel consumption. 5. ... at low engine speeds and loads. 7) In CRDI system, Fuel pump operates with low drive torque. 

Explain the working of high pressure accumulator in CRDI system.

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Last Answer : In common rail systems, a high-pressure pump stores a reservoir of fuel at high pressure - up to and above 2,000 bars (psi). The term "common rail" refers to the fact that ... in that it only has to maintain a commanded pressure at a target (either mechanically or electronically controlled). 

State four features of CRDI system.

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Last Answer : Features of CRDI System: 1. CRDI engine has lower emission. So, it meets latest emission norms. Finely atomized fuel results in an efficient air-fuel mixing & reduced particulate emissions. 2 ... pressure pump which allows the fuel to be supply at higher pressure under all operating condition. 

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