Untitled Presentation

Multiple Choice

Which of the following is NOT a primary function of the engine block and head?

• Sealing the working chambers

• Mounting the engine on the frame

• Providing a place for equipment installation

• Generating electrical power

Open Ended

Describe the main structural components of an engine block as shown in the diagrams, and explain their functions.

Multiple Choice

Which of the following is NOT a property of cast iron (żeliwo) as described in the image?

• High thermal conductivity

• High density

• Good sliding properties

• High wear resistance

Fill in the Blank

Silumin alloys are primarily composed of aluminium and ___.

Multiple Select

Select all the correct statements about the mechanical properties of silumin alloys.

• They have lower density compared to cast iron.

• They have better mechanical properties than cast iron.

• Their sliding and abrasive properties are worse than cast iron.

• They are heavier than cast iron.

Multiple Choice

Which of the following methods can be used to improve the properties of silumin alloys?

• Nickel coatings

• Chromium coatings

• Composite coatings

• All of the above

Multiple Choice

What is the primary material used for the engine block shown in the image?

• AlSi9Cu3

• Cast iron

• Steel

• Bronze

Fill in the Blank

Fill in the blank: Dividing the crankcase in the plane passing through the axis of the crankshaft results in _______ stiffness.

Open Ended

Compare the advantages and disadvantages of dividing the crankcase along the axis of the crankshaft versus below the axis, as shown in the diagrams.

Multiple Choice

Which of the following are characteristics of individual main bearing caps?

• They are used in engine blocks with separate caps for each bearing.

• They increase the stiffness of the engine block.

• They are always made from aluminum.

• They are used only in diesel engines.

Open Ended

Explain the difference between individual and combined main bearing caps, and discuss situations where each type might be preferred.

Multiple Choice

What is the main benefit of using combined (zespolone) main bearing caps in engine construction?

• They reduce engine weight.

• They increase the stiffness of the engine block.

• They simplify manufacturing.

• They reduce oil consumption.

Multiple Select

Which of the following are features of the construction of an oil pan (miska olejowa)?

• Oil well

• External ribbing

• Internal ribbing

• Oil filter

Multiple Choice

Which of the following is NOT a material used for an oil pan (miska olejowa)?

• Steel sheet

• Light alloy

• Plastic

• Copper

Multiple Select

Which of the following are advantages of monolithic engine block cylinders?

• High rigidity

• Small distance between cylinders

• Easy repair

• Use of inexpensive materials

Open Ended

List two advantages and two disadvantages of monolithic engine block cylinders (Cylindry kadłubów jednolitych).

Open Ended

What are the steps involved in installing a cast iron liner into an aluminum engine block?

Fill in the Blank

Fill in the blank: The final surface of the cylinder is machined after the ___ of the liner into the block.

Open Ended

Explain the difference in sealing requirements between the two types of cylinder liner installations shown in the first image.

Multiple Select

Select all correct statements about the advantages of wet cylinder liners (tuleje mokre):

• Simpler casting of the block

• No machining after seating in the block

• Easier installation and removal

• More rigid block

Multiple Choice

Which of the following is a disadvantage of wet cylinder liners (tuleje mokre) as described in the slide?

• Greater distance between cylinder axes

• Easier installation and removal

• No machining after seating in the block

• Simpler casting of the block

Multiple Choice

Which of the following statements about the 'tuleja przesuwna' (sliding sleeve) is correct?

• It is rigidly seated on the lower flange.

• The upper flange protrudes 0.1-0.2 mm above the block surface.

• It uses only one sealing ring at the bottom.

• It does not require any sealing rings.

Fill in the Blank

Fill in the blank: In the 'tuleja środkowana w dolnej części' design, thin gaskets made of ___ or aluminum foil are placed between the mating surfaces of the liner and the block.

Open Ended

After learning about the construction and functions of engine blocks and cylinder heads, what questions do you still have or what would you like to explore further about these components?

Multiple Choice

What are the main functions of the engine block and cylinder head as described in the lesson?

• To tightly seal the working spaces, mount the engine on the frame, and provide a place for equipment installation.

• To increase fuel efficiency and reduce emissions.

• To improve the aerodynamics of the vehicle.

• To reduce the overall weight of the engine.