Engineering, Control Systems. Test 23

In a 4 cycle engine the exhaust valve opens when the piston is _____

For ' UMS ' classed vessels, how must the HP fuel delivery pipe be constructed?

It must be provided with sensors so that the corresponding fuel pump cuts out in case of rupture.
It needs to be a shielded pipe and in case of rupture the fuel leakage must be contained and the alarm sounded.
It is manufactured of high tensile steel and has to have thermal insulation fitted
It is manufactured from Austenitic Steel and has flame/smoke detectors fitted in the vicinity.

Should water be circulated through the main engine during port stay, and if so, why?

What is the purpose of the injector leak-off connection?

If you want to obtain a higher spray-off pressure on the injector, what should you do ?

Which of the following would most likely account for a decrease in main engine scavenging air temperature?

What is likely the reason if the exhaust temperature is increasing in all cylinders of the main engine ?

How is the exhaust gas turbocharger cooled in relation to the engine?

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