BASIC VEHICLE TECHNOLOGIES 2 ENGINES EXAM Questions with Correct
Answers
Question 1:
How does a turbocharger improve performance?
Answer:
Puts more oxygen into the combustion chamber
Question 2:
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
Question 3:
What technologies does Nissan use to reduce friction inside various engines?
Answer:
-Hydrogen-free diamond-like carbon coating is used on valve lifters
Question 4:
-Microfinishing puts ultra-smooth finish on rotating surfaces of components What are the
benefits of lightweight engine components?
Answer:
-Reduce vibrations
Question 5:
-Make engine more responsive -Reduce overall engine weight What drives a supercharger?
Answer:
A compressor driven by an accessory belt
Question 6:
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
Question 7:
-A warning light illuminates when the level is low-A warning light illuminates when the level is
low -A warning light illuminates when the level is low -A warning light illuminates when the
level is low What does an intake manifold do?
Answer:
Channels fresh air into the cylinders
Question 8:
A low-friction piston coating helps caused by the pistons sliding up and down the cylinder wall.
Answer:
Reduce energy losses
Question 9:
How does the vehicle immobilizer system guard against car theft?
Answer:
-Verifies key code from microchip ID
Question 10:
-Will not allow the engine to start without a special key What feature of the HR16DE 4-cylinder
engine helps to enhance fuel efficiency and reduce emissions?
Answer:
Dual Injector System
Question 11:
The Cummins® V8 diesel engine uses a two-stage turbocharger system which helps reduce
.
Answer:
Turbo lag
Answers
Question 1:
How does a turbocharger improve performance?
Answer:
Puts more oxygen into the combustion chamber
Question 2:
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
Question 3:
What technologies does Nissan use to reduce friction inside various engines?
Answer:
-Hydrogen-free diamond-like carbon coating is used on valve lifters
Question 4:
-Microfinishing puts ultra-smooth finish on rotating surfaces of components What are the
benefits of lightweight engine components?
Answer:
-Reduce vibrations
Question 5:
-Make engine more responsive -Reduce overall engine weight What drives a supercharger?
Answer:
A compressor driven by an accessory belt
Question 6:
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
Question 7:
-A warning light illuminates when the level is low-A warning light illuminates when the level is
low -A warning light illuminates when the level is low -A warning light illuminates when the
level is low What does an intake manifold do?
Answer:
Channels fresh air into the cylinders
Question 8:
A low-friction piston coating helps caused by the pistons sliding up and down the cylinder wall.
Answer:
Reduce energy losses
Question 9:
How does the vehicle immobilizer system guard against car theft?
Answer:
-Verifies key code from microchip ID
Question 10:
-Will not allow the engine to start without a special key What feature of the HR16DE 4-cylinder
engine helps to enhance fuel efficiency and reduce emissions?
Answer:
Dual Injector System
Question 11:
The Cummins® V8 diesel engine uses a two-stage turbocharger system which helps reduce
.
Answer:
Turbo lag
