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Open Ended

In your opinion, what could happen to an engine if its lubrication system fails to function properly?

Multiple Choice

Why is the lubrication system important for the efficiency and longevity of an engine?

• It reduces friction and wear of moving parts

• It increases fuel consumption

• It makes the engine heavier

• It decreases engine temperature excessively

Multiple Select

Select all correct statements about the function of the oil lubrication system in an engine.

• It reduces friction between moving parts.

• It helps cool engine components.

• It increases engine speed.

• It removes contaminants from engine parts.

Open Ended

Explain the main differences between an internal gear pump and an external gear pump in terms of their structure and function.

Multiple Select

Which of the following are main components of a rotor pump?

• Inner rotor

• Outer rotor

• Drive gear

• Housing

Multiple Choice

What is the purpose of the oil pressure relief valve in the lubrication system?

• To increase oil temperature

• To regulate oil pressure

• To filter oil

• To lubricate engine parts

Multiple Choice

Which component in the engine lubrication system is responsible for maintaining oil pressure and preventing excessive pressure build-up?

• Oil pump

• Oil pressure relief valve

• Gear pump

• Rotor pump

Multiple Choice

Which component in the engine lubrication system is responsible for maintaining oil pressure within safe limits and preventing damage due to excessive pressure?

• Oil Filter

• Oil Pan

• Pressure Relief Valve

• Oil Pressure Switch

Open Ended

Explain how the oil filter contributes to the protection and performance of an engine.

Multiple Select

Which of the following are main functions of the oil cooler in an engine lubrication system?

• Increase oil viscosity

• Reduce oil temperature

• Maintain oil quality

• Remove metal debris

Open Ended

Describe the purpose and main components of the oil pan in an engine lubrication system.

Multiple Choice

What is the function of the oil pressure switch in an engine lubrication system?

• To filter oil

• To store oil

• To warn of low oil pressure

• To cool oil

Multiple Choice

Which warning light indicates low oil pressure in a car engine, and what should a driver do if this light turns on while driving?

• The battery warning light; stop the car immediately and check the battery.

• The oil pressure warning light; stop the car immediately and check the engine oil level.

• The engine temperature warning light; continue driving and monitor the temperature.

• The brake warning light; check the brake fluid level.

Multiple Select

Which of the following engine components are lubricated by the pressure feed system?

• Cylinder wall

• Main bearings

• Connecting rod bearings

• Valve train

Open Ended

Compare the splash lubrication system and the pressure feed lubrication system used in car engines. What are the main differences in their operation and which engine parts do they lubricate?

Open Ended

What are the main functions of lubrication oil in an engine, and why is it important to choose the right type for your vehicle?

Multiple Choice

According to API standards, which type of oil should be used for a diesel engine?

• SN

• CK-4

• E

• L

Multiple Choice

What is the correct oil level range on a dipstick when checking engine oil?

• Between MIN and MAX marks

• Below the MIN mark

• Above the MAX mark

• Exactly at the MAX mark

Multiple Select

Which of the following are necessary steps when installing a new oil filter during an oil change?

• Apply new engine oil to the O-ring gasket

• Tighten the filter by hand until snug, then turn a little more

• Install the filter without lubricating the gasket

• Fill the new filter with oil before installation

Open Ended

Explain the steps involved in changing engine oil and replacing the oil filter, and why each step is important for engine maintenance.

Multiple Choice

Which of the following is NOT a function of the engine lubrication system?

• Reducing friction and wear of engine parts

• Cooling engine components

• Cleaning engine parts from debris

• Increasing fuel efficiency

Open Ended

Summarize the main functions of the engine lubrication system as described in the lesson.