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In an electronic fuel injection system, the ECU calculates the optimum fuel injection volume for the current engine condition based on data from a wide range of sensor, and it injects this volume of fuel into the intake manifold at the optimum timing.

Correct Answer: True

In the four cylinder engine, the ECU calculates the appropriate injection timing for each cylinder and the air fuel mixture is made available at each suction stroke.

In MPFI-Fuel system, the throttle receives signals from the ECU and inject the fuel into the intake manifold.

Which of the following statements are true?
Statement I Big data refers to no precise quantity, but generally refers to data in the range of Petabytes and Exabyte, i.e. billions to trillions of records, all from various sources. Big data is generated much faster. than traditional data in much larger quantities.
Statement II Big data interests industries because they are able to learn more patterns and curious variances than smaller data sets, with the capability to provide valuable insights into consumer behaviour, weather systems, financial market activity, or other phenomena.
Statement III Various departments and product lines use various applications within most organisations and store data in separate datasets. These separate databases may contain similar data, but data from one data base to another is not always consistent. This is called data silo.

The timing at which the injection of the fuel takes place inside the inlet manifold is called _____________ timing.

The intake manifold is a . . . . . . . . tube for carrying the air fuel mixture from the carburettor to the engine intake port.

The _____________ sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel.

In a diesel engine
1. Fuel injection pump is used
2. Fuel injection pump and carburettor is used
3. Fuel injector is used
4. Neither fuel injection pump nor injector is used

The ___________ sensor, monitors vacuum in the engine intake manifold so that the mixture strength can be adjusted with changes in engine load.

In the port injection arrangement, the injector is placed on the side of the intake manifold near the intake port.

The ECU in the electronic control system, receives signals from the sensors and determines the opening time for the injectors land which also controls the injection volume.