資訊推薦

• 48. 三相四極感應電動機，定子電源為 60Hz，若以外力使其轉子以 600rpm 的速度反磁場方向旋轉，該轉子的感應電勢頻率為？(A) 40 Hz(B) 60 Hz(C) 80 Hz(D) 100
• 49. 6 極、60Hz 之繞線型感應電動機，若在滿載時的轉速為 1152rpm，又二次側每相之電阻為 4Ω，欲使轉速降為 960rpm，則應插入外部電阻值為？(A) 6Ω(B) 12Ω(C) 14Ω
• 50. 12kW，100V 之直流分激式發電機，磁場電阻為 20Ω，電樞電阻為 0.08Ω，鐵損及機械損之和為 1250W，試求滿載效率是多少？(A) 75%(B) 77.5%(C) 80%(D) 8
• 1. 教師的教學宜適度考量與結合青少年文化，或有事半功倍之效。下列對於「青少年文化」的描述，何者有誤？(A) 泛指青少年同儕所為之各種偏差行為(B) 往往因為處境相似以及互動自由而集結(C)具有如同「
• 57. In computer graphics, which of the following is NOT a method of constructing apolygonal mesh？(A)
• 24. Which rotation symmetry operation is NOT allowed for the crystalline solid with 3D structure(A)
• 25. How many Nat cations in an unit cell of NaCl crystal structure?(A) 1(B) 2 (C) 3 (D)4 (E) 5
• 【題組】(2)有效值為 _____
• 21. (3%) Which of the following statements is a linear transformation?  (A) L(x,y,z) = (x + y,y2,2z)
• 4. 如下圖所示，若已知鐵芯的平均長度為 5 米，試求鐵芯內的磁場強度為多少？_________(安匝/米)（3 分）
• 58. What is the output result of the following program？ (A) 60 59 42 42 32 27 (B) 27 32 42 42 59 60(
• 26. Given phosphine-I2 (Ar3P-I2) adducts and the correlations between their P-I and I-I bondlengths
• 17. 已知 為吸熱反應，今在左述平衡系中進行下表所列( A )～( E  )五組實驗，則何者可以符合下圖之關係？ (A)(B)(C)(D)(E)
• 59. In Microsoft Excel, cell A1 is the value -8, cell A2 is the value -4, cell A3 is the value -2,ce
• 60. The TCP/IP protocol used on the network which is equivalent to those layer protocols inthe OSI r
• 13. 如圖，是半徑為 R 的圓的一條直徑，該圓處於均勻電場中，電場強度為 E，在圓周平面內，將一帶正電 q 的小球從 a 點以動能相同、但方向不同拋出，小球會經過圓周上不同的點，在這些點中，到達 c
• 61. Quantum computing is a type of computation that harnesses the collective properties ofquantum st
• 62. The injection attack is a common method to break systems. For example, an attacker canprovide ma
• 63. According to the x86 calling conventions, if a developer wants to access variable a inthe functi
• 64. Hash table is a useful data structure for accessing the target data rapidly. Which one ofthe fol
• 65. Most modern text editor supports the checking feature for balanced parentheses andbrackets. Whic
• 66. What is the postfix expression for the following infix expression？A / B − C + D * E − A * C(A) A
• 67. Tracert is a useful command to display a possible route from source to destination. Thiscommand
• 68. A Gantt chart is a type of bar chart that illustrates a project schedule. Which one of thefollow
• 69. Which one of the following is an open source software for both full image backup andrestoration？