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• 79. 如圖，圓A與圓B相切，圓B與圓C相切，Q、A、B、C在一直線上，直線L切圓A、圓B、圓C於點X,Y,Z。圓A半徑為1、圓B半徑為2，求 ＝？ (A) (B) 12π(C) (D) 10
• 5. For a copper alloy, the engineering yield strength is 170 MPa, the modulus ofelasticity is 110 GP
• 【題組】(b) What is the corresponding true strain just before yield? (3%)
• 【題組】(e) Determine the true stress corresponding to the engineering ultimate tensilestrength. (3%)
• 【題組】(d) Determine the true strain just before fracture. (3%)
• 6. How are the following factors that affiect the recrystallization pro ocess in metals?【題組】(a) the
• 【題組】(b) the initial grain sizc (3%)
• 【題組】(c) the purity of the metal (3%)
• 7.【題組】 (a) Describe the austempering process for a plain-carbon steel. (4%)
• 【題組】(b) Draw an isothermal transformation diagram with a cooling curve for anaustem mpered austeniti
• 【題組】(c) What is the microstructure produced after austempering a cutectoid plain-carbonsteel? (2%)
• 8. 【題組】(a) Draw the unit cell of a CsCI crystal structure. (3%)
• 13. 如下圖，有一正 ABC 的藝術品，邊長為 6 公尺，以 為邊斜靠在牆壁上， C牆角為 O 點，形成一個直角 △OAB ， ∠AOB = 90° ，A 點在地面上，B 點在牆上，過 B 點作
• 9.假設有一布林函數 F（X，Y，Z）＝ ，使用 4×1 多工器來製作此函數，下列何者正確？(A) (B) (C) (D)
• 【題組】(b) Calculate the density in grams per cubic centimeter of CsBr, which has the CsC1structure. (8
• 【題組】(c). Try to find the undamped natural frequency ωn of this system. (5%)
• 【題組】(d). Try to decide K and T. (6%)
• 2. 設函數 f : ( ∞,0 )→ℝ，滿足 + 2022 ，  則 f (1000 ) = _______。
• 6.下列何種還原物質會消耗水中的氯？(A) (B) (C) (D)
• 11.下列關於 SPI 與 IIC 兩種匯流排之比較，下列何者正確？ (A)SPI 為串列式傳輸，IIC 為並列式傳輸 (B)SPI 為同步傳輸，IIC 為非同步傳輸 (C)SPI 為全雙工傳輸，II
• 3. Consider a feedback control system given below, where the transfer function of the plantG(s) = 2(
• 4. 取一未知濃度的銅離子試樣 10 mL 進行分光光度計測試，於 500 nm 波長中吸收度為 0.300，若依次添加標準濃度 10 ppm 的銅離子進入該試樣中，測得吸收度如下表所示，則原試樣中銅
• 9. 【題組】(a) Draw and describe the structure of a planar npn bipolar transistor. (6%)
• 【題組】(b) Describe the flow of charge carriers when an npr bipolar junction transistorduring the norma
• 【題組】(b). Determine the range of K, so that there is only one unstable pole in the system. (4%)