WCS 2106-4 - Knowledge Assessment

What does "SAE" stands for?

What is viscosity?

• Viscosity is a measure of a fluid's ability to conduct electricity.

• Viscosity is a measure of a fluid's color intensity.

• Viscosity is a measure of a fluid's ability to change shape.

• Viscosity is a measure of a fluid's resistance to flow.

What does "API" stands for?

Engine oil with API CK-4, what does "C" stands for?

Which of the following below is/are the functions of engine oil?

• Lubricates moving parts

• Helps engine turns faster

• Helps cool engine parts

• Helps seal piston rings

• Helps prevent rust and corrosion

Which of the following below sentence is/are correct?

• Too cold and oil becomes too thin to flow and lubricate engine parts

• Too hot and oil becomes too thin to provide sufficient film strength

• Higher oil pressure occurs when engine is cold

• Lower oil pressure occurs when at normal operating temperature

Which of the following below is/are the factors of affecting oil pressure?

• Leaks

• Oil pump capacity

• Clogged oil pump

• Clogged pickup screen

• Viscosity of engine oil

Which of the following below is/are the function of engine oil cooler?

• Cools down coolant

• Helps control oil temperature

• Warm oil in cold weather

• Cool oil when engine is hot

Which of the following below is/are the engine oil filtration methods?

• Full flow

• Semi flow

• Bypass flow

• Direct flow

What is the name of the part that keeps oil in filter when engine has turn off?