Unit 152 – Motor Vehicle 2026 – Study Guide and Training Material
The proportion of antifreeze in a cooling system is measured using..... - correct answer ✔✔ A
hydrometer
What are 3 different methods of heat transfer? - correct answer ✔✔ Convection, conduction
and radiation.
What is the term to describe when a component increases in size due to heat is thermal... -
correct answer ✔✔ expansion
What causes the pressure to increase in a water cooled cooling system? - correct answer ✔✔
The pressure cap
At what temperature in oC does water turn from a liquid to a solid? - correct answer ✔✔ 0
degrees C
What is the correct procedure to locate an engine oil leak? - correct answer ✔✔ Clean off area,
run engine, identify fault and rectify.
The injector on an indirect injection engine is located in the .... - correct answer ✔✔ Inlet
manifold
What is specific heat capacity? - correct answer ✔✔ Heat energy required to increase
temperature of a unit quantity.
What is a fault that would cause a cooling system to over pressurize? - correct answer ✔✔ Head
gasket failure between bore and water jacket.
The proportion of antifreeze in a cooling system is measured using..... - correct answer ✔✔ A
hydrometer
What are 3 different methods of heat transfer? - correct answer ✔✔ Convection, conduction
and radiation.
What is the term to describe when a component increases in size due to heat is thermal... -
correct answer ✔✔ expansion
What causes the pressure to increase in a water cooled cooling system? - correct answer ✔✔
The pressure cap
At what temperature in oC does water turn from a liquid to a solid? - correct answer ✔✔ 0
degrees C
What is the correct procedure to locate an engine oil leak? - correct answer ✔✔ Clean off area,
run engine, identify fault and rectify.
The injector on an indirect injection engine is located in the .... - correct answer ✔✔ Inlet
manifold
What is specific heat capacity? - correct answer ✔✔ Heat energy required to increase
temperature of a unit quantity.
What is a fault that would cause a cooling system to over pressurize? - correct answer ✔✔ Head
gasket failure between bore and water jacket.
