[Vô lăng vàng] Kỳ 1 : RODA

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khoadongluc

Nothing Is Impossible
Nhân viên
Đây là một số câu hỏi tập dượt 3 kỳ đầu nên anh em sẽ kết quả Vào dưới câu trả lời này nhé ! Chủ đề đầu tiên anh em mình sẽ roda để chuẩn bị bước vào cuộc thi hãy thử xem hka3 năng của mình nhé . Thời gian sẽ bắt đầu từ 24/10 -->> 30/10

Click on the best answer:

1. How many revolutions of the crankshaft are there in a four-stroke cycle?
A: One B: Two C: Four D: It varies with engine speed

2. How many degrees of rotation of the crankshaft are there in a cycle?
A: Four B: 360 C: 720 D: It varies with engine speed
3. How many degrees of crankshaft rotation are there between power strokes in a single cylinder engine?
A: 360 B: 720 C: 180 D: 90

4. How many degrees of crankshaft rotation are there between power strokes in a four cylinder engine?
A: 360 B: 720 C: 180 D: 90

5. How many degrees of crankshaft rotation are there between power strokes in a V-eight engine?
A: 360 B: 720 C: 180 D: 90

6. Which engine would run the smoothest?
A: V-eight B: inline six C: inline four D: single

Compression Stroke

7. Which way is the piston going on the compression stroke?
A: Upward B: Downward C: Clockwise D: Counterclockwise

8. So the volume of the cylinder's getting...?
A: Larger B: Smaller C: Stays the same D: I don't know

9. ...and the pressure is getting...?
A: Higher B: Lower C: Stays the same D: I don't know

10. How much pressure is created? (in a normal modern engine)
A: 14.7 PSI B: 500 PSI C: 6000 PSI D: 150 PSI

11. Which valve is open ?
A: Intake B: Exhaust C: Neither D: Compression

12. What happens to the temperature of a gas that's being compressed?
A: It goes down B: It stays the same C: It goes up D: It doesn't matter

13. In a gasoline engine, what happens to the air/fuel mixture if it's temperature gets higher than the flash point of the fuel?
A: It explodes, causing engine damage B: It gives more power
C: It make no difference D: It makes the spark plugs last longer.

Exhaust Stroke

14.Which way is the piston going on the exhaust stroke?
A: Upward B: Downward C: Clockwise D: Counterclockwise

15.So the volume of the cylinder is getting...?
A: Larger B: Smaller C: Stays the same D: I don't know

16.... and the pressure is getting...?
A: Higher B: Lower (vacuum) C: Stays the same D: I don't know

17. Which valve is open?
A: Intake B: Exhaust C: Neither D: Compression

Intake Stroke

18.Which way is the piston going on the intake stroke?
A: Upward B: Downward C: Clockwise D: Counterclockwise

So the volume of the cylinder is getting...?
A: Larger B: Smaller C: Stays the same D: I don't know

19....and the pressure is getting...?
A: Higher B: Lower (vacuum) C: Stays the same D: I don't know

20.Which valve is open?
A: Intake B: Exhaust C: Neither D: Compression

21.What is outside the engine forcing the air into the cylinder?
A: Gravity B: Suction C: the valves D: Atmospheric pressure

Power Stroke

23. Which way is the piston going on the power stroke?
A: Upward B: Downward C: Clockwise D: Counterclockwise

24....so the volume of the cylinder is getting?
A: Larger B: Smaller C: Stays the same D: I don't know

25.Which valve is open?
A: Intake B: Exhaust C: Neither D: Power

26.What starts the air/fuel mixture burning?
A: Compression B: Power valve C: Spark Plug D: Burning gas

27.What is forcing the piston down?
A: Compression B: Power valve C: Spark plug D: Burning Gas

28.What order do the four strokes go in?
A: Exhaust - Intake - Power - Compression
B: Intake - Compression - Power - Exhaust
C: Power - Power - Intake - Compression
D: Compression - Intake - Exhaust - Power

29.If an engine had a cylinder volume (between TDC and BDC) of 80 cc, and a combustion chamber volume of 10 cc, what is its' compression ratio?
A: 8 : 1 B: 9 : 1 C: 80 : 10 D: 1 : 80

30.Another name for the diameter of the cylinder is the:
A: Bore B: Circumference C: Stroke D: Throw

31.The distance between TDC and BDC is called an engine's:
A: Bore B: Circumference C: Stroke D: Throw

32.The ____________ is exactly one half of the engines stroke.
A: Bore B: Circumference C: Stroke D: Throw
 

phanminhnhat

Học việc
Em xin phép mở hàng:=d>

1. How many revolutions of the crankshaft are there in a four-stroke cycle?
A: One
2. How many degrees of rotation of the crankshaft are there in a cycle?
C: 720
3. How many degrees of crankshaft rotation are there between power strokes in a single cylinder engine?
B: 720

4. How many degrees of crankshaft rotation are there between power strokes in a four cylinder engine?
C: 180

5. How many degrees of crankshaft rotation are there between power strokes in a V-eight engine?
D: 90

6. Which engine would run the smoothest?
A: V-eight

Compression Stroke

7. Which way is the piston going on the compression stroke?
A: Upward

8. So the volume of the cylinder's getting...?
B: Smaller

9. ...and the pressure is getting...?
A: Higher

10. How much pressure is created? (in a normal modern engine)
A: 14.7 PSI

11. Which valve is open ?
C: Neither

12. What happens to the temperature of a gas that's being compressed?
C: It goes up

13. In a gasoline engine, what happens to the air/fuel mixture if it's temperature gets higher than the flash point of the fuel?
A: It explodes, causing engine damage

Exhaust Stroke

14.Which way is the piston going on the exhaust stroke?
A: Upward

15.So the volume of the cylinder is getting...?
B: Smaller

16.... and the pressure is getting...?
A: Higher

17. Which valve is open?
B: Exhaust

Intake Stroke

18.Which way is the piston going on the intake stroke?
B: Downward

So the volume of the cylinder is getting...?
A: Larger

19....and the pressure is getting...?
B: Lower (vacuum)

20.Which valve is open?
A: Intake

21.What is outside the engine forcing the air into the cylinder?
D: Atmospheric pressure

Power Stroke

23. Which way is the piston going on the power stroke?
B: Downward

24....so the volume of the cylinder is getting?
A: Larger

25.Which valve is open?
C: Neither

26.What starts the air/fuel mixture burning?
C: Spark Plug

27.What is forcing the piston down?
D: Burning Gas

28.What order do the four strokes go in?

B: Intake - Compression - Power - Exhaust

29.If an engine had a cylinder volume (between TDC and BDC) of 80 cc, and a combustion chamber volume of 10 cc, what is its' compression ratio?
A: 8 : 1
30.Another name for the diameter of the cylinder is the:
A: Bore

31.The distance between TDC and BDC is called an engine's:
C: Stroke

32.The ____________ is exactly one half of the engines stroke.
D: Throw
 

bikerviet

Tài xế O-H
đây là của em :))
Click on the best answer:

1. How many revolutions of the crankshaft are there in a four-stroke cycle?
B: Two

2. How many degrees of rotation of the crankshaft are there in a cycle?
C: 720
3. How many degrees of crankshaft rotation are there between power strokes in a single cylinder engine?
B: 720

4. How many degrees of crankshaft rotation are there between power strokes in a four cylinder engine?
A: 360 B: 720 C: 180 D: 90

5. How many degrees of crankshaft rotation are there between power strokes in a V-eight engine?
D: 90

6. Which engine would run the smoothest?
A: V-eight

Compression Stroke

7. Which way is the piston going on the compression stroke?
A: Upward

8. So the volume of the cylinder's getting...?
B: Smaller

9. ...and the pressure is getting...?
A: Higher
10. How much pressure is created? (in a normal modern engine)
D: 150 PSI

11. Which valve is open ?
C: Neither

LÀM 11 CÂU TRƯỚC MAI CHIẾN TIẾP :))
 

vnv811

Tài xế O-H
Em xin được là người...thứ ba:

Click on the best answer:

1. How many revolutions of the crankshaft are there in a four-stroke cycle?
B: Two

2. How many degrees of rotation of the crankshaft are there in a cycle?
C: 720
3. How many degrees of crankshaft rotation are there between power strokes in a single cylinder engine?
B: 720
4. How many degrees of crankshaft rotation are there between power strokes in a four cylinder engine?
C: 180

5. How many degrees of crankshaft rotation are there between power strokes in a V-eight engine?
D: 90

6. Which engine would run the smoothest?
A: V-eight

Compression Stroke

7. Which way is the piston going on the compression stroke?
A: Upward
8. So the volume of the cylinder's getting...?
B: Smaller

9. ...and the pressure is getting...?
A: Higher

10. How much pressure is created? (in a normal modern engine)
A: 14.7 PSI

11. Which valve is open ?
C: Neither
12. What happens to the temperature of a gas that's being compressed?
C: It goes up

13. In a gasoline engine, what happens to the air/fuel mixture if it's temperature gets higher than the flash point of the fuel?
A: It explodes, causing engine damage

Exhaust Stroke

14.Which way is the piston going on the exhaust stroke?
A: Upward

15.So the volume of the cylinder is getting...?
B: Smaller

16.... and the pressure is getting...?
B: Lower (vacuum)

17. Which valve is open?
B: Exhaust

Intake Stroke

18.Which way is the piston going on the intake stroke?
B: Downward

So the volume of the cylinder is getting...?
A: Larger

19....and the pressure is getting...?
C: Stays the same
20.Which valve is open?
A: Intake
21.What is outside the engine forcing the air into the cylinder?
D: Atmospheric pressure

Power Stroke

23. Which way is the piston going on the power stroke?
B: Downward

24....so the volume of the cylinder is getting?
A: Larger

25.Which valve is open?
C: Neither
26.What starts the air/fuel mixture burning?
C: Spark Plug

27.What is forcing the piston down?
D: Burning Gas

28.What order do the four strokes go in?
B: Intake - Compression - Power - Exhaust


29.If an engine had a cylinder volume (between TDC and BDC) of 80 cc, and a combustion chamber volume of 10 cc, what is its' compression ratio?
A: 8 : 1

30.Another name for the diameter of the cylinder is the:
A: Bore

31.The distance between TDC and BDC is called an engine's:
C: Stroke

32.The ____________ is exactly one half of the engines stroke.
A: Bore B: Circumference C: Stroke D: Throw[/QUOTE]
 

caydantinhyeu89

Tài xế O-H
1. How many revolutions of the crankshaft are there in a four-stroke cycle?
B: Two

2. How many degrees of rotation of the crankshaft are there in a cycle?
C: 720
3. How many degrees of crankshaft rotation are there between power strokes in a single cylinder engine?
B: 720

4. How many degrees of crankshaft rotation are there between power strokes in a four cylinder engine?
C: 180

5. How many degrees of crankshaft rotation are there between power strokes in a V-eight engine?
D: 90

6. Which engine would run the smoothest?
A: V-eight
e làm đc mấy câu.mai suy nghĩ làm tiếp :d,mong các bác đừng chém.
 

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