48. What is a "cup of Joe""?
(A) A cup of coffee
(B) Joe's coffee shop
(C) Coffee beans
(D) A special flavored coffee for navy officers

44. Identify the thesis statement. (A) The reason why I would choose my laptop is because I will need it for academic purposes, for leisure, and to communicate with my friends and family in my home country. (B) Going abroad, especially for a long period of time like for schooling, requires careful preparation for packing. (C) So, we must narrow down the most important items with care. (D) If I were to go abroad for one year and could bring one additional thing I would definitely chose my laptop computer.

45. "Narrow down" in line 3 is closest in meaning to ______. (A) limit in range or scope (B) deregulate in width (C) liberate in length (D) find 

46. When a solar storm is coming, why do we need to disconnect transformers? (A) to make routine maintenances (B) to repair damaged transformers (C) to avoid electrical surges (D) so as to not to be blown away by solar winds

47. Which of the following statement is false? (A) We can stop the Sun from emitting solar winds with today's technologies. (B) The solar wind is a stream of energized, charged particles. (C) We can monitor and give warnings when stormy weather is approaching. (D) Solar storms may damage our high-tech systems. 

49. Which of the following was not one of Josephus Daniels' reforms? (A) obliterate the officers' wine mess (B) Consent officers to drinking on board (C) The introduction of women into the service (D) Advancement from the ranks

50. What does the word "inaugurating" mean? (A) commencing (B) radiating (C) abolishing (D) eliminating

1. 三相 11.4kV 之受電用戶，主變壓器容量為 1000kVA，阻抗為 5%，激磁電流為 1.5%，負載為900kVA，主變壓器消耗之無效電力 kVAR 為若干？ (A)55.5 (B)65 (C)75 (D)85.5。

2. 小容量電熱器如欲與大容量之電熱器併用一分路時，則該最大電熱器容量應在多少安以上？(A)20 (B)50 (C)30 (D)40。

3. 某三相 Y 接同步發電機之額定容量為 6.25kVA，額定線電壓為 220V，每相電抗為 8.4Ω，如以 其額定容量及電壓做基準，則其每相電抗標么值(pu)為多少？ (A)1.879 (B)1.085 (C)0.626 (D)8.4。

4. 下列直流電動機中，何者起動轉矩最大？ (A)串激式 (B)分激式 (C)他激式 (D)積複激式。