### Discussion :: Airport Engineering - Section 1 (Q.No.35)

Anna said: (Sep 10, 2015) | |

TC length = (S1-S2)*L1/So. = (0.008+0.007)*30/0.003 = 150 m. |

Sudarshan said: (Nov 8, 2016) | |

How could 0.08% will be 0.008 and 0.07%will be 0.007? It should be 0.0008 and 0.0007. Is it? |

Chhaya said: (May 4, 2017) | |

According to me, the answer is 1500 m (0.08+0.07) * 30/0.003 = 1500 m. |

Jinish said: (Jan 10, 2020) | |

Here gradient is 3% maximum for 30 meter. So it's 0.003. So, answer 0.008+0.007*30/0.003= 150 m. |

Koshy Panicker said: (Sep 7, 2020) | |

The answer is 15m unless its a type in the question. If the gradients are 0.8% and -0.7%, then answer would have been 150m. |

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