Engine Department Competence

RT-flex Series

The quiz covers engine control systems, common rail components, operating parameters, maintenance, turbocharger operation, fuel injection, safety systems, and key engine performance values. Designed for marine engineers who want to evaluate and improve their RT-flex expertise.

Questions 15

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

What is the maximum permissible exhaust gas temperature deviation for the main engine?

A 50°C.

B 100°C.

C 150°C.

D 200°C.

E 120°C.

Question 2

What does engine timing mean?

A The timing of a diesel engine refers to the precise moment when fuel is injected into the combustion chamber relative to the piston's position.

B The time it takes for the piston to travel from BDC to TDC.

C Valve overlap duration.

D Ignition delay time.

E Engine cycle time.

Question 3

What is the main engine overspeed trip setting?

A 104% or 106%.

B 110% or 115%.

C 115% or 118%.

D 118% or 120%.

E 125% or 130%.

Question 4

What is the minimum permissible working pressure in the fuel oil rail of the RT-flex engine?

A 500 bar.

B 300 bar.

C 200 bar.

D 400 bar.

E 100 bar.

Question 5

What is the maximum permissible difference between two CAS sensors that will cause the engine to stop?When the difference between the two sensors reaches:

A 5°.

B 2°.

C 2.5°.

D 4.0°.

E 5.5°.

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