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- The length of line placed in profile pla...

Q. |
## The length of line placed in profile plane and making an angle of 30 degrees with the vertical is 5 cm from front view. What is the actual length? |

A. | 5 cm |

B. | 8.66 cm |

C. | 10 cm |

D. | 5.77 cm |

Answer» D. 5.77 cm | |

Explanation: the length of line making an angle with vertical if viewed from front view the length will be the product of length of line cosine of angle given. l * cosine (30) =5 cm, x= 5/ cosine (30)= 5.77 cm. |

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Engineering Graphics

- A line of 12 cm length is perpendicular to profile plane and the least distance from this line to profile plane is 6 cm. This is at a distance of 4 cm from the vertical plane and 5 cm from the horizontal plane. What is distance from the point on line far away from the profile plane to profile plane?
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- A line which is parallel to horizontal plane is made to turn to an angle of 35 degrees with vertical and then turned to an angle of 45 degrees with horizontal plane and now the line has a length of 9 cm from front view. What is its true length?
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