問題詳情
49.比重量(specific weight)的單位為下列何者？
(A) kg/m3
(B) N/ m3
(C)無單位
(D) slug/ m3
(A) kg/m3
(B) N/ m3
(C)無單位
(D) slug/ m3
參考答案
無參考答案
內容推薦
- 圖二為中國某地的氣候。請問：該地屬於何種氣候類型？(A)高地氣候(B)溫帶草原(C)溫帶季風(D)副熱帶季風
- 如圖所示之皮帶輪系中，其直徑A、B、C、D輪分別為45cm，若NA = 375rpm順時針，無滑動損失時，則ND為 (A)100rpm順時針 (B)40rpm順時針 (C)40
- 當一輪系之首末兩輪在同一軸上時，此輪系為(A)周轉輪系 (B)複式輪系 (C)單式輪系 (D)回歸輪系。
- For the following reactionPCl5 (g) PCl3 (g) + Cl2 (g) △H = -89 KJHow can the equilibrium be sh
- 關於中國降雨時空分布不均，何者敘述有誤？ (A)降水由東南向西北遞減 (B)降水季節主要來自冬季季風 (C)西北地區因距海遙遠，水氣無法到達 (D)等雨量線 500mm 可區分乾燥與季風氣候
- 在 Windows 7 中的桌面(Desktop)按滑鼠右鍵，則下列何者不是「個人化桌面背景」之「圖片位置」的選項？(A)置中(B)延展(C)並排(D)無影像。
- 兩水管以併聯方式連接如【圖 48】所示。由點 A 至點 B 之管長不同。請問點 A 至點 B 下列敘述何者正確？ (A)流量一樣 (B)壓損一樣 (C)流速一樣 (D)管徑一樣
- 下列何者才是基本因次？(A)長度，質量，時間 (B)長度，速度，時間 (C)長度，加速度，時間 (D)力，質量，時間
- 皮托管(Pitot Tube)可用來量測流體的：(A)黏滯性 (B)密度 (C)速度 (D)壓縮性
- 小孔計(orifice meter)是用來量測流體的：(A)流量 (B)密度 (C)壓縮性 (D)黏滯性
內容推薦
- 剪應力(shear stress)的單位為下列何者？(A) kg/m3 (B) N/ m3 (C) N/ m2 (D) N/m
- 為使器具不容易藏污納垢，設計上何者正確？(A)一體成型，包覆完整(B)有裂縫(C)與食物接觸面粗糙(D)彎曲處呈直角型。
- 三、依據我國商港法、商港港務管理規則規定，國際航線船舶進入中華民國國際商港時，應於何時以前由誰先以何種方式完成預報，若其預報入港與實際入港時間差距多少時間以上時應重行申請？該國際航線船舶進港前其船舶所
- It _______ all day last Sunday, so we just stayed at home and_______ TV.(A) rained; watchs (B) wa
- A: Did Ivy _______ the talent contest last week?B: No, she _______, but Tanya _________.(A) join
- They were sad _________________________.(選出正確句子)(A) because they won in the contest.(B) because t
- A: Why are you crying?B: My pet dog______ this morning. I thought he was just ____ asound sleep,
- A:________ gloves are they, Jim?B: They are _______. He bought them yesterday.(A) Who; mine (B)
- A: Mr. Lin did a lot for us. Let’s do something for him.B: Okay! __________________.(A) You bet.
- A: Hey! Be careful. This robot can read our mind.B: No way! You are _______my leg.(A) pushing (B)
- A: (1) a cool pair of shoes. Why did you pack them?B: I want to donate them.A: Really? They are not
- A: Who put the umbrella here? The floor is all wet.B. Oops! I _____.(A) do (B) did (C) am (D) was
- Where did you _______ Yvonne? I ______ her at Diana’s birthdayparty.(A)know; know (B) knew; know
- _______ your help, we could hand in our homework on time.(A) Because (B) Because of (C) Thanks (D)
- _______ I didn’t sleep well last night______ I nodded off in class.(A) X; because (B) Because; ,so
- (A) 閱讀對話，回答 1-2 題Danny: What did you do on the Moon Festival? Did you eatmoon cakes?Johnny: No, but
- 【題組】Which is true?(A) Johnny ate moon cakes and pomelos on the Moon Festival.(B) Diana and Apollo
- The vest is so beautiful. Did Grandma make_____________?(A) it for you (B) you it (C) it you (D)
- There wasn’t _________ special at my birthday party.(A) things (B) something (C) everything (D)
- My nose is small, but yours ______ big.(A) is (B) are (C) do (D) doesn’t
- (B)閱讀短文，回答 3-5 題Dear Lucy,I am sorry to tell you that I lost the book you lent to me lastweek.3:00 t
- 【題組】Where might(可能) Lina lose the book?(A) At home. (B) In the bathroom.(C) On the bus. (D) In th
- 【題組】(A) did (B) am (C) do (D) was
- 【題組】(A) Who (B) When (C) How (D) Why
- 【題組】(A) give; X (B) give; to (C) give; for (D) gave; to