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Cơ bản [Vô lăng vàng] Kỳ 1 : RODA

Thảo luận trong 'Động cơ' bắt đầu bởi khoadongluc, 24/10/11.

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  1. khoadongluc
    Offline

    Nothing Is Impossible
    Thành viên BQT
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    Tham gia ngày:
    17/3/09
    Số km:
    22,748
    Được đổ xăng:
    7,025
    Mã lực:
    2,289
    Giới tính:
    Nam
    Xăng dự trữ:
    31,436 lít xăng
    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
     
  2. phanminhnhat
    Offline

    Học việc
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    Tham gia ngày:
    26/4/09
    Số km:
    4,131
    Được đổ xăng:
    1,002
    Mã lực:
    616
    Giới tính:
    Nam
    Xăng dự trữ:
    36,100 lít xăng
    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
     
  3. bikerviet
    Offline

    Tài xế O-H
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    Tham gia ngày:
    15/10/09
    Số km:
    629
    Được đổ xăng:
    48
    Mã lực:
    51
    Xăng dự trữ:
    347 lít xăng
    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 :))
     
  4. vnv811
    Offline

    Tài xế O-H
    Expand Collapse

    Tham gia ngày:
    28/11/09
    Số km:
    631
    Được đổ xăng:
    128
    Mã lực:
    76
    Xăng dự trữ:
    585 lít xăng
    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]
     
  5. caydantinhyeu89
    Offline

    Tài xế O-H
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    Tham gia ngày:
    15/12/10
    Số km:
    118
    Được đổ xăng:
    2
    Mã lực:
    31
    Giới tính:
    Nam
    Xăng dự trữ:
    111 lít xăng
    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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