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Crowley Academy
Module 4- Fuel Systems
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Test Questions
Choose the best possible answer.
A diaghragm type fuel pump draws fuel from the boat's fuel system and delivers it to the
*
10 points
Crankcase
Splash well or Portable fuel tank
Carburetor/ Fuel Injection System
Metal thru-hull fitting
On _____________, pressure and vacuum pulses from the outboard´s crankcase drives the fuel pump.
*
10 points
None of the above
Fuel Injected systems
Four-Stroke model
Two-Stroke model
Other:
Which of the following is NOT a section of a Fuel/Oil pump
*
10 points
The air motor
The fuel pump
The rectifier
The sending unit for the "NO WARNING" sign
What is the correct ratio of fuel to oil on an Oil Injection System
10 points
14:1
50:1
15:1
1:1
Clear selection
A Primer Solenoid, provides additional ___________ to make starting a cold engine easier.
10 points
Air
Oil
Electricity
Fuel
Other:
Clear selection
Which of the following is NOT a mode on a manual primer
15 points
OFF
Turbocharge
Enriched
Prime
Other:
Clear selection
A good fuel system will read below ________ inches of mercury on a vacuum gauge at all times
15 points
2
8
4
10
Other:
Clear selection
A vacuum switch is used in many carbureted V6 models to warn the operator of a fuel restriction
10 points
True
False
Clear selection
On an outboard with an electrically operated primer solenoid, the red lever or knob should be in the OFF position under normal operating conditions
10 points
True
False
Clear selection
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