Question 1

If a CJ-4 engine lubricating oil was used in place of an FA-4 oil, which of the following might result?

Accepted Answer

A)  exhaust valve damage 
B)  turbocharger damage 
C)  exhaust gas recirculation (EGR) system damage 
D)  reduction in fuel efficiency 
A)  exhaust valve damage 
B)  turbocharger damage 
C)  exhaust gas recirculation (EGR) system damage 
D)  reduction in fuel efficiency

Question 2

What is the science of friction and lubrication known as?

Accepted Answer

A)  physics 
B)  tribology 
C)  chemistry 
D)  engineering 
A)  physics 
B)  tribology 
C)  chemistry 
D)  engineering

Question 3

What two principles of fluid friction are used by an engine lubricating system?

Accepted Answer

A)  viscosity and viscosity index 
B)  flash point and pour point 
C)  thick film and boundary 
D)  detergents and dispersants 
A)  viscosity and viscosity index 
B)  flash point and pour point 
C)  thick film and boundary 
D)  detergents and dispersants

Question 4

Which of the following properly defines viscosity?

Accepted Answer

A)  resistance to sheer 
B)  resistance to flow 
C)  resistance to heat 
D)  resistance to solidification 
A)  resistance to sheer 
B)  resistance to flow 
C)  resistance to heat 
D)  resistance to solidification

Question 5

When should a diesel engine crankcase oil level be checked to produce the most accurate reading?

Accepted Answer

A)  engine running 
B)  immediately after shutdown 
C)  10 minutes after shutdown 
D)  weekly 
A)  engine running 
B)  immediately after shutdown 
C)  10 minutes after shutdown 
D)  weekly

Question 6

Technician A says that CK-4 diesel engine lubricating oil is backward compatible with all previous diesel engine lube oil classifications. Technician B says that the digit 4, in FA-4 means that the oil is suitable for 4-stroke cycle use. Who is right?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B

Question 7

Which of the following methods would produce the most reliable results when drawing a sample for lube oil analysis?

Accepted Answer

A)  oil change: beginning of sump drainage 
B)  oil change: midway through sump drainage 
C)  engine running: syringe at mid-sump level 
D)  engine off, engine hot: syringe at mid-sump level 
A)  oil change: beginning of sump drainage 
B)  oil change: midway through sump drainage 
C)  engine running: syringe at mid-sump level 
D)  engine off, engine hot: syringe at mid-sump level

Question 8

What should be done to a bypass, luberfiner filter after changing the engine oil?

Accepted Answer

A)  clean with solvent 
B)  clean with pressure washer 
C)  purge air on start-up 
D)  prime with used oil 
A)  clean with solvent 
B)  clean with pressure washer 
C)  purge air on start-up 
D)  prime with used oil

Question 9

What is an indication that engine oil has become contaminated with engine coolant?

Accepted Answer

A)  cloudy appearance 
B)  greenish color 
C)  reddish color 
D)  darker in color 
A)  cloudy appearance 
B)  greenish color 
C)  reddish color 
D)  darker in color

Question 10

Which of the following types of oil filter would normally have the highest filtration efficiency?

Accepted Answer

A)  bypass 
B)  full f low 
C)  canister 
D)  spin-on 
A)  bypass 
B)  full f low 
C)  canister 
D)  spin-on

Question 11

In what year was API CK-4 lube oil introduced?

Accepted Answer

A)  2006 
B)  2007 
C)  2017 
D)  2020 
A)  2006 
B)  2007 
C)  2017 
D)  2020

Question 12

When an oil analysis profile taken on a high mileage engine indicates higher than normal levels of copper, which of the following components would more likely be at fault?

Accepted Answer

A)  oil cooler 
B)  main bearings 
C)  valve seats 
D)  fire rings 
A)  oil cooler 
B)  main bearings 
C)  valve seats 
D)  fire rings

Question 13

Technician A says that since the introduction of EGR on diesel engines, OEMs have greatly extended recommended oil change intervals. Technician B says that Cummins and Detroit Diesel factory fill their engines with FA-4 engine oil . Who is correct?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B

Question 14

What API oil classification is recommended for engines fueled by ultra low sulfur (ULS) fuel?

Accepted Answer

A)  CJ-4 
B)  CK-4 
C)  FA-4 
D)  All of the above 
A)  CJ-4 
B)  CK-4 
C)  FA-4 
D)  All of the above

Exam 10: Engine Lubrication Systems

If a CJ-4 engine lubricating oil was used in place of an FA-4 oil, which of the following might result?

What is the science of friction and lubrication known as?

What two principles of fluid friction are used by an engine lubricating system?

Which of the following properly defines viscosity?

When should a diesel engine crankcase oil level be checked to produce the most accurate reading?

Technician A says that CK-4 diesel engine lubricating oil is backward compatible with all previous diesel engine lube oil classifications. Technician B says that the digit 4, in FA-4 means that the oil is suitable for 4-stroke cycle use. Who is right?

Which of the following methods would produce the most reliable results when drawing a sample for lube oil analysis?

What should be done to a bypass, luberfiner filter after changing the engine oil?

What is an indication that engine oil has become contaminated with engine coolant?

Which of the following types of oil filter would normally have the highest filtration efficiency?

In what year was API CK-4 lube oil introduced?

When an oil analysis profile taken on a high mileage engine indicates higher than normal levels of copper, which of the following components would more likely be at fault?

Technician A says that since the introduction of EGR on diesel engines, OEMs have greatly extended recommended oil change intervals. Technician B says that Cummins and Detroit Diesel factory fill their engines with FA-4 engine oil . Who is correct?

What API oil classification is recommended for engines fueled by ultra low sulfur (ULS) fuel?

Introduction

Hand and Shop Tools, Precision Tools, and Units of Measurement

Personal and Safety Awareness

Engine Basics

History of the Heat Engine

Power

Engine Powertrain Components

Engine Feedback Assembly

Engine Housing Components

Engine Cooling Systems

Engine Breathing

Engine Retarders

Servicing and Maintenance

Engine Removal, Disassembly, Cleaning,

Diesel Engine Run- in and Performance Testing

Chemistry and Combustion

Diesel Fuel Characteristics

Fuel Subsystems

Fuel Injection Basics and Governor Principles

Injector Nozzles

Port-Helix Metering Injection Pumps

Inlet-Metering Rotary Distributor Pumps

Sleeve-Metering Rotary Distributor Pumps

Single-Actuator Eui Systems

Dual-Actuator Eui Systems

Heui Fuel Systems

Electronic Unit Pump Eup Systems

Cummins Hpi-Tp

Common Rail Systems

Amplified Common Rail Systems

Review of Electrical and Electronics Fundamentals

Vehicle Computer Systems

Ests and Siss

Electrical Wiring, Connector Terminal Repair

Multiplexing

The Connected Vehicle

Natural Gas, Propane, and Biodiesel Fuels

High Voltage Electricity

Hybrid and Hydrogen Fuel Cell Drivetrains

Electric Powertrains

Bosch Edc Systems

Caterpillar Engine Management Systems

Cummins Management Systems

Detroit Diesel Electronic Controls Ddec

Navistar Diamond Logic

Paccar Engine Management Systems

Volvo and Mack Engine Management

Emissions Management

Servicing Maintenance of Exhaust Aftertreatment Systems

Failure Analysis

Troubleshooting and Diagnostics

Filters