OUPV - DECK GENERAL (Machinery Operations) Quiz -

DECK GENERAL (Machinery Operations) Quiz

*IMPORTANT*
It is highly recommended that you master this quiz with a final test score of 100%, prior to scheduling your final exam.
*You will have a better test day outcome if you do this*

1 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Hatches should be closed while fueling a gas propelled vessel to:

a) Prevent spilled gas from leaking.

b) Prevent heavier fumes from entering the vessel.

c) Keep people out.

d) Prevent sparking from equipment.

2 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Water is prevented from entering the vessel at the location where the shaft passes through the hull by:

a) The stern tube

b) The stuffing box

c) The propeller nut

d) The thrust bearing

3 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

The battery box is well ventilated:

a) To prevent buildup of carbon dioxide.

b) To provide fresh air necessary for battery charging.

c) To prevent explosive dust from collecting.

d) To prevent explosive gases from collecting.

4 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

It is important to make certain of which of the following when refueling?

a) All passengers are onboard.

b) All doors and hatches are open.

c) The fuel nozzle is touching the side of the fuel tank.

d) All of the above.

5 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Exhaust ventilation ducts in the engine room extend to the lowest part of the bilge:

a) To provide air for engine intakes.

b) To remove lighter than air gases.

c) To remove heavier than air gases.

d) To prevent static electricity buildup.

6 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Which of the following should you do after fueling with gasoline?

a) Close all doors and hatches to fuel tank compartment.

b) Start engine immediately to prevent vapor lock.

c) Ventilate bilges before starting the engine.

d) Smell the bilges to determine the need for ventilation.

7 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Of the following, which is true regarding gasoline vapors? They:

a) Are heavier than air at the same temperature.

b) Are lighter than air at the same temperature.

c) Have a higher flash point than air.

d) Are heavier than air only at elevated temperatures.

8 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Which of the following would happen if diesel fuel or gasoline leaks into lube oil?

a) The viscosity of the lube oil will increase.

b) The viscosity of the lube oil decreases.

c) The cooling ability will increase.

d) The lube oil pressure will increase.

9 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Which of the following could cause a rise in engine temperature?

a) A malfunctioning water pump.

b) A clogged water inlet.

c) Low oil level.

d) Any of the above.

10 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

A runaway diesel can be shut off by taking which action?

a) Turn off the fuel supply immediately.

b) Turn off the cooling system.

c) Close off the air supply.

d) Take no action, it will burn itself out.

11 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Which of the following would cause a wobbling tail shaft and excessive vibration?

a) Shallow water.

b) A misfiring engine.

c) A tight tail shaft gland.

d) A worn stern bearing or misalignment.

12 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Which of the following systems would probably cause a gasoline engine not to start?

a) Ignition.

b) Fuel.

c) Cooling.

d) Air.

13 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

A gasoline engine is required to have a flame arrester. It would be located on:

a) The muffler

b) The exhaust manifold

c) The carburetor

d) The intake manifold

14 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

How is a diesel engine fired?

a) A glow plug.

b) A spark plug.

c) Heat of compression.

d) Heat of expansion.

15 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Fuses in electrical wiring:

a) Prevent overloading of the circuit.

b) Provide a time delay.

c) Provide more resistance.

d) None of the above.

16 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Fill a gasoline tank:

a) Until full to insure there is no wasted space in tanks.

b) Until full so you know how much fuel is aboard.

c) Until you have enough for the planned trip.

d) To near the top with space allowed for expansion.

17 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Where should spare gas containers be stored?

a) In engine room.

b) In Boson’s locker.

c) On open deck.

d) Aft of stacks.

18 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Fuel tank shut-off valves should be installed:

a) At the engine end of the fuel line.

b) At the tank connection.

c) No shut-off valve is required on gas tanks.

d) On top of the tank on the fill pipe.

19 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Your gasoline fuel line develops a leak. You should:

a) Make temporary repairs and return to port.

b) Shut off the fuel line valve at the tank.

c) Wrap rags tightly around the leaks.

d) Turn on exhaust blowers and continue to port.

20 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Ventilators of gasoline powered vessels should extend into the bilges:

a) To cool the machinery areas.

b) To provide adequate air to the engines.

c) To remove fuel vapors which are heavier than air.

d) To keep them dry.

21 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

What do gasoline fumes tend to do?

a) Settle evenly throughout the bilge.

b) Settle at the bottom of the bilge.

c) Settle at the top of the bilge.

d) Disperse in the atmosphere.

22 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Why are diesel engines considered safer than gasoline engines?

a) They are more heavily built.

b) They can be easily reversed.

c) They operate at lower speeds.

d) The fuel used is less volatile.

23 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Where should gas tanks be filled to?

a) To near the top with space to allow for gasoline expansion.

b) To the top to expel all vapors from the tanks.

c) To the top so that the crew knows how much fuel is aboard.

d) With just the amount of fuel needed for the planned trip.

24 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Why is a carburetor placed on an engine?

a) Mix the fuel and air.

b) Distribute the fuel.

c) Lubricate the engine.

d) Prime the cylinders.

25 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Before starting your engine you should:

a) Check the oil.

b) Check the cooling system.

c) Check for leaks.

d) All of the above.

26 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Which of the following publications contains Federal Laws and regulations for vessels?

a) Code of Federal Regulations

b) Coast Pilot

c) Rules of the Road Publication

d) Nautical Chart No. 1

27 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Your gasoline hose nozzle should be kept:

a) In contact with the fill opening to guard against static spark.

b) From making contact with the fill opening to prevent static spark.

c) In contact with the fill opening to allow proper venting.

d) None of the above.

28 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Prior to starting your engine, the exhaust blower on your gasoline engine should run long enough to:

a) Warm up the exhaust blower motor.

b) See that the system is in good working order.

c) Insure at least one complete change of air in the compartments it services.

d) Provide enough fresh air to the engine.

29 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

Your gasoline engine won’t start but turns over freely. This could be caused by:

a) Low lube oil level.

b) A defective ignition system.

c) Too heavy of a load.

d) Weak valve springs.

30 / 30

Category: OUPV – DECK GENERAL – Machinery Operations

The gasoline tank shut off valve, which can be operated from outside the tank space:

a) Controls the amount of gasoline in the engine.

b) Shuts off the gasoline supply at the tank.

c) Is used if the gasoline tank leaks.

d) Should be in the off position at all times.

Your score is

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