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.

Питань 15

Час 9 min

Мова Англійська

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Питання 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.

Питання 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.

Питання 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%.

Питання 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.

Питання 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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