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- is a curve genera...

Q. |
## is a curve generated by a point on the circumference of a circle, which rolls without slipping along another circle outside it. |

A. | trochoid |

B. | epicycloid |

C. | hypotrochoid |

D. | involute |

Answer» B. epicycloid | |

Explanation: trochoid is curve generated by a point fixed to a circle, within or outside its circumference, as the circle rolls along a straight line. ‘hypo’ represents the generating circle is inside the directing circle. |

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Engineering Graphics

- is a curve generated by a point on the circumference of a circle which rolls without slipping on a straight line.
- is a curve generated by a point fixed to a circle, within or outside its circumference, as the circle rolls along a straight line.
- When the circle rolls along another circle inside it, the curve is called a
- Straight lines drawn from the apex to the circumference of the base-circle are all equal and are called
- The generating point is outside the generating circle for
- The generating circle will be inside the directing circle for
- ‘Hypo’ as prefix to cycloids give that the generating circle is inside the directing circle.
- 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.
- A point is in 2nd quadrant 20 units away from the horizontal plane and 10 units away from the vertical plane. Orthographic projection is drawn. What is the distance from point of front view to reference line, top view point to reference line?
- A point is in 2nd quadrant 15 units away from the vertical plane and 10 units away from the horizontal plane. Orthographic projection is drawn. What is the distance from point of front view to reference line, top view point to reference line?

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