題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
24.某個應力狀態表示為σx = -20MPa,σ y = 90MPa,τ xy = 60MPa。則最大主應力面與 x 軸的角度約為何?【提示:經由 計算,可得 】(A) - 23.7° (B) 6
問題詳情
24.某個應力狀態表示為σx = -20MPa,σ y = 90MPa,τ xy = 60MPa。則最大主應力面與 x 軸的角度約為何?【提示:經由
計算,可得
】
(A) - 23.7°
(B) 66.3°
(C) - 47.5°
(D) 42.5°
參考答案
上一篇 :
1. 您可使用下列哪種方式來防止因為射頻電流在有屏蔽的麥克風電纜線流通而產生的音頻失真?(A) 帶通濾波器(Band-pass filter)(B) 低通濾波器(Low-pass filter)(C)
下一篇 :
2. My pen is blue, and _______pens are red.(A) their (B) its (C) it (D) you
資訊推薦
10.A: Aren’t you a student? B: _______(A) Yes, I am a student. (B) No, you’re not.(C) Yes, you are.
4. ( ) A: ________didn’t Sharon come to the party?B: Because she had to ________ soccer.(A) How;prac
5. ( ) A: Didn’t Linda ________ her room ten minutes ago?B: No, she ________.(A) clean;didn’t (B) cl
3.A: Is he _______short and old? B:Yes, he .(A) X ; X (B) a ; X (C) X ; is (D) a ; is
6. A: Are you a doctor? B: Yes, _______.(A) he is (B) I’m (C) I am (D) you are
7. A: _______is the tall man? B: He is _______ .(A) Who ; a teacher (B) What ; John(C) Who ; John (D
9. A: What’s this? B: _______ .(A) An apple pie. (B) Yes, it’s an apple.(C) No, it isn’t a pie. (D)
5. _______name is Spot. _______ a big dog.(A) It’s ; It’s (B) Its ; It’s (C) Its ; Its (D) It’s ; It
7. ( ) Andrew went to school late this morning. He didn’tcatch the first train ________ he ________u
4. A:How old is Max? B:He is _______ .(A) fourteen year olds (B) four(C) an eleven-years-old boy (D)
8. This is an _______.(A) small apple (B) old car (C) big egg (D) new bike
2. ( ) Amanda put her cup on the table and ________ on thechair. (A) sit (B) sits (C) sitting (D) sa
3. ( ) ________ Connie tired after work last night?(A) Was (B) Were (C) Does (D) Did
6. ( ) A: Nina failed the math test.B: She must ________ very sad. Let’s cheer her up.(A) was (B) is
Dear Mom and Dad,How are you doing? I miss you so much. Don’t worry aboutme. I 1. a happy life in th
8. ( ) Before ________ my teeth, I had dinner.(A) brush (B) I brush (C) brushed (D) brushing
【題組】2. ( ) (A) when I was in a restaurant(B) because I didn’t know her(C) , so her teachers visited
9. ( ) A: How was your summer vacation?B: ________(A) I was fine. (B) Have fun! (C) I asked for it.(
九、閱讀測驗 6% (每題 2 分)People feel happy when they live in love. Without (沒有)love, even (甚至) a rich man w
【題組】2. ( ) What do we know about Rock?(A) He hated (討厭) his father.(B) He did not care about his fat
10. ( ) When the runners got to the finish line, we all ________them.(A) gave up (B) cheered for(C)
【題組】3. ( ) Which can be the best (最好的) title (標題) for thereading?(A) Money Is Everything(B)Ways to B
2.以下那一功能不是庫存系統的範圍?(A)借出管理 (B)不良品維修 (C)調撥作業 (D)盤點管理
3.以下何者不是訂單管理系統的範圍?(A)報價單管理(B)訂單管理 (C)客戶維修品的進度追蹤(D)訂單變更管理
【題組】3. ( ) (A) before (B) after (C) because (D) so