Lubrication

Finally explain the different lubrication systems in an engine, a mill and in a water pump.

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Answer explanation

Different lubrication systems in an engine include splash, pressure, and combination systems. In a mill, lubrication systems can be manual, automatic, or centralized. Water pumps typically use a self-lubricating bearing system.

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NGSS.MS-PS3-3

What lubricants are used in an internal combustion engine?

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Answer explanation

Motor oil is the primary lubricant used in an internal combustion engine to reduce friction and wear on moving parts.

What is this part?

• Oil slinger

• Oil dipper

• Thermostat

• Radiator

What is viscosity in terms of oil?

• the thickness of the fluid

• the ability to conduct electricity

• the ability to lubricate

• the ability to burn efficiently

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NGSS.MS-PS3-4

Oil does what for the engine?

• reduce friciton

• reduce heat

• reduce emissions

• reduce fuel consumption

What is the primary function of lubrication in mechanical systems?

• Reduce friction

• Increase temperature

• Enhance electrical conductivity

• Increase friction

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NGSS.MS-PS2-2

Which of the following is a common lubricant used in machinery?

• Water

• Sand

• Oil

• Salt

How does lubrication affect the wear and tear of mechanical parts?

• Increases wear

• Decreases wear

• Has no effect

• Doubles wear

What property of a lubricant is measured by its viscosity?

• Thickness

• Color

• Weight

• Temperature

In an experiment, a lubricant is applied to a metal surface. What is the expected outcome?

• Increased friction

• Decreased friction

• No change in friction

• Surface corrosion