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Chapter 25 quiz

Authored by Ryan Frick

Other

11th Grade

10 Questions

Used 9+ times

Chapter 25 quiz
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two technicians are discussing the term “turbo lag.” Technician A says that it refers to the delay between when the exhaust leaves the cylinder and when it contacts the turbine blades of the turbocharger. Technician B says that it refers to the delay in boost pressure that occurs when the throttle is first opened. Which technician is correct?

Tech A

Tech B

Tech A and B

Neither tech A or B

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Technician A says that a stuck-open wastegate can cause the engine to burn oil. Technician B says that a clogged PCV system can cause the engine to burn oil. Which technician is correct?

Tech A

Tech B

Both Tech A and B

Neither Tech A or B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nitrous oxide injection adds ________, allowing the engine to burn more fuel.

Oxygen

Nox

HC

CO2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The term “volumetric efficiency” refers to the ability of an engine to ______________ .

create emissions

create heat

pull in air

distribute air evenly

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are most superchargers lubricated?

By engine oil under pressure through lines from the engine

By an internal oil reservoir

By greased bearings

No lubrication is needed because the incoming air cools the supercharger

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Boost pressure is generally measured in ______________ .

inch Hg

PSI

inch H2O

inch pound

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are most turbochargers lubricated?

By engine oil under pressure through lines from the engine

By an internal oil reservoir

By greased bearings

No lubrication is needed because the incoming air cools the supercharger

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