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Basic Vehicle Technologies 2: Engines Exam
Questions And Answers 100% Pass
How does the vehicle immobilizer system guard against car theft? - Answer✔1. Will not allow
the engine to start without a special key.
2. Verifies key code from microchip ID.
What are the advantages of supercharging? - Answer✔1. Relatively small fuel economy penalty.
2. Increased horsepower and torque across the complete engine operating range.
3. Immediate throttle response.
What is turbo lag? - Answer✔The delay between throttle opening and turbo boost.
What does a cylinder head do? - Answer✔1. Seals the top of the cylinders.
2. Contains intake and exhaust valves.
How does a turbocharger improve performance? - Answer✔1. Puts more oxygen into the
combustion chamber.
What does a variable-flow exhaust system do? - Answer✔1. Uses a special internal valve that
opens and closes according to exhaust pressure.
2. Gives the engine more exhaust back pressure to help with low-end torque.
3. Allows more air to exit the muffler to improve high-speed performance
How does Nissan's Dual Injector System compare to single injector systems? - Answer✔1.
Delivers a finer spray.
1|Page
Basic Vehicle Technologies 2: Engines Exam
Questions And Answers 100% Pass
How does the vehicle immobilizer system guard against car theft? - Answer✔1. Will not allow
the engine to start without a special key.
2. Verifies key code from microchip ID.
What are the advantages of supercharging? - Answer✔1. Relatively small fuel economy penalty.
2. Increased horsepower and torque across the complete engine operating range.
3. Immediate throttle response.
What is turbo lag? - Answer✔The delay between throttle opening and turbo boost.
What does a cylinder head do? - Answer✔1. Seals the top of the cylinders.
2. Contains intake and exhaust valves.
How does a turbocharger improve performance? - Answer✔1. Puts more oxygen into the
combustion chamber.
What does a variable-flow exhaust system do? - Answer✔1. Uses a special internal valve that
opens and closes according to exhaust pressure.
2. Gives the engine more exhaust back pressure to help with low-end torque.
3. Allows more air to exit the muffler to improve high-speed performance
How does Nissan's Dual Injector System compare to single injector systems? - Answer✔1.
Delivers a finer spray.
1|Page
