5. 管路保養中，系統管路之各閥及接頭均應經常予以檢查，請問此為確定何事？
(A)管路 未堵塞
(B)各閥之良好運用情況，及各接頭填料箱良好之水密情況
(C)管路是否變形
(D)管路震動情形

6. 泵使用時注意事項中，有因泵之真空受破壞，而失去抽引力，請問泵浦進口端有那些部份應檢查呢？ (A)如管子進口及管子接頭等處，皆做檢查 (B)如泵出口等處，皆做檢查 (C)如泵下端等處，皆做檢查 (D)如泵軸等處，皆做檢查

7. 電機保養與安全的絕緣處理方法裡，請問因灰塵中含有油或滑臘時，所用的清潔方法為何？ (A)溶劑清潔法 (B)吸取法 (C)壓縮空氣吹掃法 (D)擦拭法

8. 下列何者禁用於清潔空氣壓縮機？ (A)淡水 (B)柴油 (C)肥皂水 (D)不易揮發之清潔劑

9. 燃油高壓油泵之機能調整，下列何者不是考量因素？ (A)示功圖 (B)耗油量 (C)排氣溫度 (D)排煙圖

10. 下列有關鍋爐停用時處理方法之敘述何者正確？ (A)長期停用時採乾燥保養法，短期停用時採滿水保養法 (B)長期停用時採乾燥保養法，短期停用時採乾燥保養法 (C)長期停 用時採滿水保養法，短期停用時採乾燥保養法 (D)長期停用時採滿水保養法，短期停用時採滿水保養法

1. The big tradeoff in economics is a tradeoff between (A)equity and efficiency. (B)equality and inequality. (C)marginal cost and marginal benefit. (D)Scarcity and opportunity cost.

2. According to the principle of comparative advantage, if Taiwan trades with China, most likely, (A)the Taiwan will benefit and China will lose. (B)the Taiwan will lose and China will benefit. (C)neither of the countries will benefit. (D)both countries will benefit.

3. Ms. Lollipop opened a candy store in December 2013. She rented a building for $25,000 a year and used $30,000 from her savings account, which earned an annual interest rate of 5 percent, to buy capital equipment. In December 2014, the market value of her capital equipment was $26,000. What is the economic depreciation of Lollipop's capital? (A)$3,000 (B)$4,000 (C)$1,000 (D)$25,000

4. Mrs. Smith operates a business in a competitive market. The current market price is $8.10. At her profit-maximizing level of production, the average variable cost is $8.00, and the average total cost is $8.25. Mrs. Smith should (A)shut down her business in the short run but continue to operate in the long run. (B)continue to operate in the short run but shut down in the long run. (C)continue to operate in both the short run and long run. (D)shut down in both the short run and long run.

5. Cheating by a member of a cartel ___________ consumer surplus and ___________ the total economic profit earned by all the firms in the cartel. (A)increases； increases (B)increases； decreases (C)decreases； increases (D)decreases； decreases

113年 - 113-3 交通部航港局_船員岸上晉升適任性評估筆試測驗_三等管輪：保養及維修#125555

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