PART 1 COMPREHENSION: PART 2 00.46 ... - Jean-David Delord
9. Which part of the engine is this? â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦â¦... ⢠Add liquid aluminum. ⢠Stick the mould parts together. ⢠Spray-wash. ⢠Cool. ⢠Make a mould.
What are the objectives of the engineers who produce new engines?
1.
“an _______________ in _______________ and a reduction in _____________” 2. What are the consequences of these changes? “today’s engines _______________ _______________ _______________ and _______________ _______________ _______________” 3. Which company makes this engine?
COMPREHENSION: PART 2
00.46> 02.03
Give numbers to the steps in the table below to describe the process in the correct chronological order. The final step has been done for you.
4.
Add liquid aluminum
Stick the mould parts together
Spray-wash
Cool
Make a mould
Assemble
5.
What materials are used to make the mould? ………………………………...
6.
Why is aluminum used? ………………………………...
7.
What is the disadvantage of aluminum? ………………………………...
8.
Why is it necessary to spray-wash the finished part? …………………………
9.
Which part of the engine is this? ………………………………...
Name :
Date : Course
Transportation
ère
1 How to make an engine
COMPREHENSION: PART 3
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Note :
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02.04> 02.26
THEORY: when you cool a metal, its diameter ……….………………………... (1) Now watch the extract and use words from the video to complete this paragraph.
The robot takes a valve guide and ............................(2) it in liquid *nitrogen.
As the metal is cooled, it ..........................(3) and its diameter decreases.
The robot .................... (4) the valve guide effortlessly into the cylinder head.
When the valve guide .............................. (5), its diameter increases and it is .................................... (6) fixed in place because the engine could never reach such low temperatures even at the South Pole!. (NB * error in video)
COMPREHENSION: PART 4
02.33> end There are errors in the chronological description of the next steps. Cross out the incorrect word(s) and correct them in the blank on the right (…………) 1. Check manifold intake’s air passages.
……………………
2. Check the size of the valves.
……………………
3. Inspect the valves for debris and faults.
……………………
4. Attach an ID plate to identify the part.
……………………
5. Insert the valves.
……………………
6. Test the movement of the valves.
……………………
7. Adjust the camshaft to final specifications.
……………………
8. Insert the crankshaft into the engine block.
……………………
9. Lubricate the cylinder liners.
……………………
10. Remove the cylinder liners from the cylinders.
……………………
11. Insert the pistons and connecting rods into each cylinder.
……………………
12. Attach the connecting rods to the crankshaft.
……………………
13. Check the crankshaft’s air passages.
……………………
14. Attach the valve cover.
……………………
15. Mount the air-intake manifold.
……………………
16. Connect the fuel injection system.
……………………
17. Measure engine performance with a dynamometer.
……………………
Name :
Date : Course
Transportation
ère
1 How to make an engine
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Note :
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