運輸學大意 - 考試
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By Oliver
at 2013-05-12T12:47
at 2013-05-12T12:47
Table of Contents
1. 某人對使用運輸工具選擇之效用函數為V= a0 + a1TT + a2TC
V是效用 TT是旅行時間 TC 是旅行成本 其它的是參數 請問某人之旅行時間價值
符合下列何者?
(A)時間價值=a1/a2 (B)時間價值=a2/a1 (C)時間價值=a0/a2 (D)時間價值=a0/a1
答案:A 這題完全不知如何下手= = 應該是偏運輸經濟學吧??
2. 若鐵路列車間之安全隔離為車輛之煞車距離s=v^2 / 2b , v為速率 b為煞車率
s為距離 l為列車長度 則列車間之安全間距(distance headway)h為何?
(A) (s+l)/v (B) (s+l)/b (C) (b+l)/v (D) (s+b)/l
答案:A , h應該是指班距 1/h=f=班次 這題應該就是先求路線容量(班次數/單位時間)
倒數後就是班距
3. 應用線性馬達(Linear Motor)於鋼軌與鋼輪之鐵路系統上 下列何者不是其主要優點?
(A)非黏著式牽引爬坡力強 (B)車輛便於採低底床設計 (C)可減少隧道橫斷面積
(D)鋼輪負責支撐 導引與牽引
答案D 以上聖經那本似乎都沒有 可能都偏運輸經濟 交通工程 但又不得不念orz
運輸學還是交通背景的人吃香阿~~~
--
V是效用 TT是旅行時間 TC 是旅行成本 其它的是參數 請問某人之旅行時間價值
符合下列何者?
(A)時間價值=a1/a2 (B)時間價值=a2/a1 (C)時間價值=a0/a2 (D)時間價值=a0/a1
答案:A 這題完全不知如何下手= = 應該是偏運輸經濟學吧??
2. 若鐵路列車間之安全隔離為車輛之煞車距離s=v^2 / 2b , v為速率 b為煞車率
s為距離 l為列車長度 則列車間之安全間距(distance headway)h為何?
(A) (s+l)/v (B) (s+l)/b (C) (b+l)/v (D) (s+b)/l
答案:A , h應該是指班距 1/h=f=班次 這題應該就是先求路線容量(班次數/單位時間)
倒數後就是班距
3. 應用線性馬達(Linear Motor)於鋼軌與鋼輪之鐵路系統上 下列何者不是其主要優點?
(A)非黏著式牽引爬坡力強 (B)車輛便於採低底床設計 (C)可減少隧道橫斷面積
(D)鋼輪負責支撐 導引與牽引
答案D 以上聖經那本似乎都沒有 可能都偏運輸經濟 交通工程 但又不得不念orz
運輸學還是交通背景的人吃香阿~~~
--
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