Revision chapter 2

The purpose of lubricating system is to (a)   .

(a)   is a reservoir, or storage container, for the engine lubricating oil, and a collector for oil returning from the engine lubricating system.

(a)   deliver oil under pressure to the internal engine parts.

(a)   helps to clean the oil in the system.

(a)   is used to prevent excessive oil pressure in the engine.

—Many engine oils have a viscosity index improver added. Define the meaning of SAE5W-30 of multiple viscosity oil.

SAE5W - __________________

SAE30 - _________________

(a)  

Choose the components of cooling system.

i - water pump

ii - radiator

iii - oil filter

iv - oil pump

v- thermostat

• i, ii and iii

• i, ii, and v

• i, ii, iii, and v

• ii. iii, iv, and v

Name the component that has a function of pushes the hot coolant out of the water jacket and through the radiator

• radiator

• radiator fan

• thermostat

• water pump

(a)   control the coolant flow in cooling system.

(a)   is used to increase the boiling point of the coolant.