1. Which of the following is NOT a function of the fuel injection pump?
Pressurize Fuel
Meter Fuel Quantity
Atomize the fuel
Time the fuel injection

2. Which of the following is NOT a direct function of the injection nozzle?
Time the fuel injection
Control opening pressure
Atomize the fuel
Target the fuel

3. Which of the following is NOT a injection pump manufacturer?
Bosch
Zexel
Stanacorp
Denso

4. Peak injection pressure is defined as?
The maximum pressure at which the injection nozzle opens
The maximum pressure the fuel injection line will withstand
The maximum fuel pressure attained during the injection period
The maximum fuel pressure attained at peak torque

5. When a distributor pump is used the fuel delivery sequence to each cylinder is determined ______?
By an internal cam
By the fuel injection lines
By the injectors
All of the above

6. When an inline pump is used the fuel delivery sequence to each cylinder is determined _________?
By an internal cam
By the fuel injection lines
By the injectors
All of the above

7. On a distributor style pump the fuel delivery may be changed by moving the?
Delivery Valve
Metering Valve
Control Valve
Both B & C

8. Pump phasing is referred to as ______?
Balancing the fuel delivery of the injection pump
Setting the timing between cylinders of an inline pump
Setting the firing order of the injection pump
None of the above

9. The fuel delivery on an inline injection pump is controlled by?
Changing the control rack
Moving the delivery valve
Moving the metering valve
Both A & C

10. The time interval or crank degrees between the start of injection pump fuel delivery and the actual start of injection at the nozzle is known as?
Timing advance
Ignition Time
Injection lag
None of the above

11. The mechanical governor usually uses what means to control the injection fuel delivery?
Flyweight force
Spring force
Engine RPM
All of the above

12. Some fuel Injection pumps use what method to aid in starting?
Aneroid
Excess fuel device
Glow Plugs
All of the above

13. Which of the following injector styles is commonly used on a indirect injection engine?
Hole Type
Pintle
Unit Injector
Both A & C

14. Which of the following injector types are commonly used on a direct injection engine?
Hole Type
Pintle
Unit Injector
Both A & C

15. The delivery valve is used in injection pumps to?
Control the fuel delivery
Control residual line pressures
Stop fuel delivery
All of the above

16. Some distributor pumps utilize a speed advance device to?
Cut down on injection lag
Keep engine timing constant
Change fuel delivery
Both A & B

17. Some injection pumps utilize a device that enables intake pressure to control fuel delivery called a?
Solenoid
Bimba Valve
Aneroid
Air pressure converter

18. The turbocharger is used to?
Increase air to the engine
Enable more fuel to burn
Increase horsepower
All of the above

19. The turbocharger is driven by?
Exhaust gas
Belts
Gears
Oil pressure

20. A wastegate may be used on a turbo to?
Get more boost at higher RPM's
Get more boost at lower RPM's
Cut down on turbo lag
Both B & C

21. The turbocharger can be cooled by?
Engine oil
Water
Transmission Oil
Both A & B

22. The turbine wheel is located on the _______?
Intake side of the turbo
Compressor side of the turbo
Exhaust side of the turbo
Towards the middle of the turbo

23. The compressor wheel _______?
Is usually made of aluminum
Pulls air in from the air filter
Pumps air through the compressor housing
All of the above

24. In the Cummins designed PT fuel Injection pump, the PT stands for?
Peak Torque
Pressure Torque
Pressure Time
None of the above

25. On the Cummins designed PT fuel injection system the amount of fuel delivered to each cylinder is affected by?
An injector orfice
Pump metering valve
Pump delivery valve
Both B & C

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