Engineering, Control Systems. Test 11

You have installed a new bearing in the main engine. What is the necessary action to take during the running in period ?

No action is required to be taken.
Stop after 30 minutes running and hand feel the bearing.
Allow for one hour running with appropriate temperature monitoring of the bearing.
Allowance must be made for a running in period with reduced speed and careful temperature monitoring.

The turbocharger (constant pressure) is making 'whoofing' noises. What might be the cause ?

If the cooling water temperature goes below it's recommended value, what can happen ?

Over which components does the Blending Unit Controller act in order to blend fuel of the required viscosity?

What is the purpose of part number 6 ?

After fitting a new cylinder liner to a 2 -stroke engine which of the following steps should be taken?

What liquid is used to clean the turbo charger of a large low speed main engine? (high speed air side, half speed gas side)

During manoeuvring with the main engine, what is the arrangement for starting air supply by the main air compressors ?

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