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- Which of the following is a conic sectio...

Q. |
## Which of the following is a conic section? |

A. | apex |

B. | circle |

C. | rectangle |

D. | square |

Answer» B. circle | |

Explanation: conic sections are formed when a plane cuts through the cone at an angle with respect to the axis of the cone. if the angle is right angle then the conics is a circle, if the angle is oblique then the resulting conics are parabola and ellipse. |

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Engineering Graphics

- Which of the following is a conic section?
- Which of the following is not a conic section?
- If the distance from the focus is 2 mm and the distance from the directrix is 0.5 mm then what is the name of the conic section?
- If the distance from the focus is 3 units and the distance from the directrix is 3 units, then what is the name of the conic section?
- If the distance from the directrix is 5 units and the distance from the focus is 3 units then what is the name of the conic section?
- If the distance from a fixed point is greater than the distance from a fixed straight line then what is the name of the conic section?
- If the distance from a fixed straight line is equal to the distance from a fixed point then what is the name of the conic section?
- If the distance from a fixed straight line is 5mm and the distance from a fixed point is 14mm then what is the name of the conic section?
- If the distance from the directrix is greater than the distance from the focus then what is the name of the conic section?
- A sphere is placed on H.P and section plane is parallel to H.P the section is circle and if the section plane is parallel to V.P the section is again circle.

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