Question 1

What does CRDI stand for?

Accepted Answer

Common Rail Direct Injection

Answer

Central Rail Direct Injection

Answer

Cylinder Rail Direct Injection

Answer

Controlled Rail Direct Injection

Question 2

Which component stores high-pressure fuel in a Common Rail Direct Injection system?

Accepted Answer

Common rail

Answer

Fuel tank

Answer

Fuel injector

Answer

Engine cylinder

Question 3

What is the purpose of a high-pressure pump in a Common Rail Direct Injection system?

Accepted Answer

To pressurize fuel to high levels for injection

Answer

To cool down the engine

Answer

To regulate air intake to the engine

Answer

To filter out impurities from the fuel

Question 4

In a Common Rail Direct Injection system, what is responsible for delivering precise amounts of fuel into the combustion chamber?

Accepted Answer

Fuel injector

Answer

Spark plug

Answer

Throttle body

Answer

Fuel filter

Question 5

What is the function of the common rail in a Common Rail Direct Injection system?

Accepted Answer

It stores fuel at high pressure for injection into the cylinders

Answer

It regulates the temperature of the engine

Answer

It controls the exhaust gas recirculation

Answer

It filters impurities from the fuel

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