Auxiliary Machinery. Test 53 – Online Maritime Tests

If fuel is dripping from the water outlet of the purifier what could be the cause?

Discharge pump not functioning correctly.
Purifier needs cleaning.
Gravity ring is of the wrong size for the fuel being purified.
Delivery pump not functioning correctly.

When taking over the engine room watch, what should you check on the oil fired boiler if this is in operation ?

Steam pressure, water level, flame brightness, cleanliness of the photocell glass plus fuel temperature and pressure.
Feedwater temperature, fuel oil pressure, CO2 content of uptake gases and flame brightness.
Feedwater temperature, steam pressure, water level, fuel pressure and CO2 content of uptake gases.
Furnace temperature, uptake gas temperature and smoke indicator.

In what kind of machinery would this type of gland packing never be used ?

Sea water or freshwater pumping equipment.
Fuel oil or Lubricating oil systems.
Refrigerating installations.
Steam valve spindles.

What is the most important aspect of communication with the Bridge?

Operation of fire fighting and life saving equipment.
Ballasting operations, cargo hold bilge pumping.
Executing orders from and issuing warnings to the bridge.
Executing of orders from the bridge.

What is the shape of stern tube seals (forward and aft) ?

They are lip seals and in one piece.
They are round in form and in one piece (O-ring type).
They are square in form and diagonally cut.
They are flat gaskets between flanges.

If refrigerant gauges are calibrated in Absolute Corresponding Temperature, can these gauges be used for any refrigerant in any refrigerating system ?

Can be used for any refrigerant except AMMONIA.
Can be used for Freon 12 or Freon 22 only.
Can be used for any refrigerant.
Are calibrated for only one refrigerant.

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