Question 1

What is the preferred run-in method for a highway diesel engine after an overhaul?

Accepted Answer

A)  do not exceed 50 mph for the first 1000 miles 
B)  do not run at full load for the first 500 miles 
C)  full load operation on a dynamometer 
D)  highway road test 
A)  do not exceed 50 mph for the first 1000 miles 
B)  do not run at full load for the first 500 miles 
C)  full load operation on a dynamometer 
D)  highway road test

Question 2

When instructed to hand prime a full flow oil filter, which of the following procedures is correct?

Accepted Answer

A)  immerse filter in fresh oil 
B)  fill the filter with clean engine oil 
C)  silicone the filter sealing gasket 
D)  purge air at the filter pad 
A)  immerse filter in fresh oil 
B)  fill the filter with clean engine oil 
C)  silicone the filter sealing gasket 
D)  purge air at the filter pad

Question 3

Which of the following steps is recommended following a diesel engine rebuild to check for leaks before allowing it to start?

Accepted Answer

A)  no-fuel crank for 15 seconds 
B)  no-fuel crank for 2 minutes 
C)  charge intake with ether 
D)  pressure test cooling system 
A)  no-fuel crank for 15 seconds 
B)  no-fuel crank for 2 minutes 
C)  charge intake with ether 
D)  pressure test cooling system

Question 4

When testing a newly reconditioned engine on a chassis dynamometer, what should be done when the maximum coolant temperature is achieved?

Accepted Answer

A)  immediately switch off engine 
B)  back-off on power and monitor gauge 
C)  ignore it until the test report is complete 
D)  immediately shift into neutral 
A)  immediately switch off engine 
B)  back-off on power and monitor gauge 
C)  ignore it until the test report is complete 
D)  immediately shift into neutral

Exam 16: Diesel Engine Run- in and Performance Testing

What is the preferred run-in method for a highway diesel engine after an overhaul?

When instructed to hand prime a full flow oil filter, which of the following procedures is correct?

Which of the following steps is recommended following a diesel engine rebuild to check for leaks before allowing it to start?

When testing a newly reconditioned engine on a chassis dynamometer, what should be done when the maximum coolant temperature is achieved?

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 Lubrication Systems

Engine Cooling Systems

Engine Breathing

Engine Retarders

Servicing and Maintenance

Engine Removal, Disassembly, Cleaning,

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