Engineering Domain Quiz Questions

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What is the main advantage of using tie rods in an engine?

No need for thrust pads for transmission of thrust

Tie rods are less expensive to operate

Easier alignment after misalignment (correct)

Reduced engine weight and increased power generation

Which ISO standard governs the specifications for the supply of Residual Marine Fuels onboard merchant ships?

ISO 3012:1999

ISO 8216-1:2010

ISO 8217:2010 (correct)

ISO 3648:1996

What does crank web deflection readings give a positive indication of?

Torsional stress deformation

Worn main bearing journals (correct)

Bearing shells shim dimensions

Slack thrust bearings

In what situation would centrifugal compressors be typically used?

To increase the pressure of refrigerant in an air conditioning system Signup and view all the answers

What component of a 2-stroke marine diesel engine is responsible for scavenging the exhaust gases from the cylinder?

Compressor wheel Signup and view all the answers

What is a common purpose of using tie rods in a marine engine?

To prevent misalignment between engine components Signup and view all the answers

What can happen as a result of a scavenge fire in slow speed engines?

All of the above Signup and view all the answers

What is the function of the top o-ring provided on the liner of a two-stroke engine?

Seal jacket cooling water, Seal scavenge air Signup and view all the answers

When can a crankcase explosion occur if there is an oil mist concentration and a hot spot inside the crankcase?

Both A and B Signup and view all the answers

For what reason are some 4-stroke engines fitted with a rotorcap on the cylinder head valves?

Distribute the exhaust gas or the air inlet better to improve combustion Signup and view all the answers

To reduce cold corrosion of Main Engine cylinder liners when using high sulfur fuel oil, what can be done?

Increasing cylinder oil feed rate Signup and view all the answers

When a diesel engine suddenly stops, what could be potential reasons?

Presence of air in the fuel system Signup and view all the answers

In a 4-stroke auxiliary engine, how is the muffling of exhaust gas noise typically achieved?

Allowing the gas to expand before release Signup and view all the answers

What action is necessary to reduce sulfur corrosion of main engine components?

Increasing the atomization pressure of fuel injectors Signup and view all the answers

In an emergency running condition of the main engine, which alarm cannot be bypassed?

Low cylinder oil level alarm Signup and view all the answers

What can contribute to cold corrosion of Main Engine cylinder liners when using high sulfur fuel oil?

Decreasing cylinder oil feed rate Signup and view all the answers

Engineering Domain Quiz Questions

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