BASIC VEHICLE TECHNOLOGIES 2:
ENGINES PREP EXAM AND 100%
CORRECT ANSWERS.
How does a turbocharger improve performance? - Answer Puts more oxygen into the combustion
chamber
How long does it take for the ceramic glow plugs in the Cummins® V8 diesel engine to warm each
cylinder in cold weather? - Answer Less than 4 seconds
What technologies does Nissan use to reduce friction inside various engines? - Answer -Hydrogen-free
diamond-like carbon coating is used on valve lifters
-Microfinishing puts ultra-smooth finish on rotating surfaces of components
What are the benefits of lightweight engine components? - Answer -Reduce vibrations
-Make engine more responsive
-Reduce overall engine weight
What drives a supercharger? - Answer A compressor driven by an accessory belt
For vehicles with a Cummins® V8 diesel engine, how will a driver know if the Diesel Exhaust Fluid (DEF)
level is low? - Answer -A gauge in the instrument cluster shows the DEF level
-A warning light illuminates when the level is low
What does an intake manifold do? - Answer Channels fresh air into the cylinders
A low-friction piston coating helps ________ caused by the pistons sliding up and down the cylinder wall.
- Answer Reduce energy losses
ENGINES PREP EXAM AND 100%
CORRECT ANSWERS.
How does a turbocharger improve performance? - Answer Puts more oxygen into the combustion
chamber
How long does it take for the ceramic glow plugs in the Cummins® V8 diesel engine to warm each
cylinder in cold weather? - Answer Less than 4 seconds
What technologies does Nissan use to reduce friction inside various engines? - Answer -Hydrogen-free
diamond-like carbon coating is used on valve lifters
-Microfinishing puts ultra-smooth finish on rotating surfaces of components
What are the benefits of lightweight engine components? - Answer -Reduce vibrations
-Make engine more responsive
-Reduce overall engine weight
What drives a supercharger? - Answer A compressor driven by an accessory belt
For vehicles with a Cummins® V8 diesel engine, how will a driver know if the Diesel Exhaust Fluid (DEF)
level is low? - Answer -A gauge in the instrument cluster shows the DEF level
-A warning light illuminates when the level is low
What does an intake manifold do? - Answer Channels fresh air into the cylinders
A low-friction piston coating helps ________ caused by the pistons sliding up and down the cylinder wall.
- Answer Reduce energy losses
