Knowledge of Light Vehicle Engine Mechanical, Lubrication and Cooling System Units and Components

Overview

Framework:
RQF
Level:
Level 2
Unit No:
R/601/3719
Credits:
3
Guided learning hours:
20 hours

Assessment Guidance

This unit must be assessed in accordance with the IMI Assessment Strategy and adhere to the Knowledge Unit Syllabus, both of which can be downloaded from the IMI website:
http://www.motor.org.uk/standards-and-qualifications/qualification-credit-framework-5.1-qcf.html

Unit Learning Outcomes

1

Understand how the main light vehicle engine mechanical systems operate

Assessment Criteria

  • 1.1
    Identify light vehicle engine mechanical system components
  • 1.2
    Describe the construction and operation of light vehicle engine mechanical systems
    a. four stroke
    b. spark ignition
    c. compression ignition
    d. rotary
  • 1.3
    Compare key light vehicle engine mechanical system components and assemblies against alternatives to identify differences in construction and operation
  • 1.4
    Identify the key engineering principles that are related to light vehicle engine mechanical systems
    a compression ratio’s
    b cylinder capacity
    c power
    d torque
  • 1.5
    State common terms used in light vehicle engine mechanical system design
    a tdc
    b bdc
    c stroke
    d bore
2

Understand how light vehicle engine Lubrication systems operate

Assessment Criteria

  • 2.1
    Identify light vehicle engine lubrication system components
  • 2.2
    Describe the construction and operation of light vehicle engine lubrication components and systems
    a. full flow
    b. by pass
    c. wet sump
    d. dry sump
  • 2.3
    Compare key light vehicle engine lubrication system components and assemblies to identify differences in construction and operation
  • 2.4
    Identify the key engineering principles that are related to light vehicle engine lubrication systems
    a. classification of lubricants
    b. properties of lubricants
    c. methods of reducing friction
  • 2.5
    State common terms used in light vehicle engine lubrication system design
3

Understand how light vehicle engine cooling, heating and ventilation systems operate

Assessment Criteria

  • 3.1
    Identify light vehicle engine cooling, heating and ventilation system components
  • 3.2
    Describe the construction and operation of light vehicle engine lubrication components and systems
    a. full flow
    b. by pass
    c. wet sump
    d. dry sump
  • 3.3
    Compare key light vehicle engine cooling, heating and ventilation system components and assemblies against alternatives to identify differences in construction and operation
  • 3.4
    Identify the key engineering principles that are related to light vehicle engine cooling, heating and ventilation systems
    a. heat transfer
    b. linear and cubical expansion
    c. specific heat capacity
    d. boiling point of liquids
  • 3.5
    State common terms used in key light vehicle engine cooling, heating and ventilation system design
4

Understand how to check, replace and test light vehicle engine mechanical, lubrication and cooling systems system units and components

Assessment Criteria

  • 4.1
    Describe how to remove and replace engine mechanical, lubrication and cooling system units and components
  • 4.2
    Describe common types of testing methods used to check the operation of engine mechanical, lubrication and cooling systems and their purpose
  • 4.3
    Describe how to test and evaluate the performance of replacement units against vehicle specification
  • 4.4
    Identify common faults found in light vehicle engine mechanical, lubrication and cooling systems and their causes