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35. 最適宜鑄成形狀複雜且表面光滑鑄件的砂模是? (A)溼砂模 (B)混土模 (C)乾燥砂模 (D)二氧化碳模。
問題詳情
35. 最適宜鑄成形狀複雜且表面光滑鑄件的砂模是?
(A)溼砂模
(B)混土模
(C)乾燥砂模
(D)二氧化碳模。
參考答案
答案:D
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34. 光學平鏡不能用於檢驗工件之? (A)粗糙度 (B)平行度 (C)尺寸誤差 (D)真平度。
下一篇 :
36. 品管圈(QCC)之長條統計圖可決定品管之 (A)真值 (B)平均值 (C)特性 (D)上下限。
資訊推薦
37. 國際標準(ISO)公差,用於一般機件之配合為 (A)IT 01 至 IT 4 (B)IT 5 至 IT 11 (C)IT 12 至 IT 16 (D)IT 16 至 IT 20。
38. 超音波焊接是利用高頻率的超音波振動能作用於焊件的接合面,其與接合面作用的方向及產生的作用力為 (A)平行方向,正向力(B)平行方向,剪應力 (C)垂直方向,正向力 (D)垂直方向,剪應力。
39. 車床上使用方螺紋導螺桿,其目的在使 (A)使車刀不會發生振動 (B)傳達較大動力 (C)刀架傳動精確 (D)對合半螺帽容易與螺桿接合或分離。
40. 在電化學加工時,不希望有工件金屬電鍍在刀具上,而影響刀具的尺寸,這時我們會希望刀具(陰極)上,有最小的氧化電位。請問影響氧化電位的及決定反應發生的因素不包含哪一項? (A)被加工金屬的種類 (
41. 加工時,無熱應力產生而不致影響機械性質的特殊加工法是? (A)電化學 (B)雷射 (C)放電 (D)電子束 加工。
42. 在玻璃上鑽孔,應選擇 (A)放電加工機 (B)鑽床 (C)超音波加工 (D)火焰切割。
43. 下列何者不是在碳化鎢鑽頭上鍍覆金色氮化鈦薄膜的主要目的? (A)提高表面硬度 (B)增加鑽頭壽命 (C)提高耐磨特性 (D)美觀。
44. 簡單齒輪系中,齒輪 2 驅動齒輪 3,齒輪 3 驅動齒輪 4,齒輪 4 驅動齒輪 5,令其上的齒數分為 N2、N3、N4、N5,則此嚙合的齒輪2 與齒輪 5 之角速度比為 (A)N5/N2 (
32 The murderer who brutally killed five people was _____ to death last week.(A) admitted (B) confir
33 Sharon told me that she could hardly _____ on the meager salary she earned at her full-time job.(
34 The mayor was forced to _____ after being accused of allegedly sexually harassing several women.(
35 The manager was found to _____ his coworkers into conducting illegal actions in the investigation
36 Most contemporary pleas for animal welfare _____ the termination of cruelty to animals.(A) abdica
37 The public punishment of the multinational e-commerce company is also an _____ or hidden warning
38 Because of common _____, closely related species may share some characteristics of collective beh
39 Research indicates that chronic fatigue is one of the _____ features that can cause depression.(A
40 Health providers in low and middle income countries often work in resource-constrained environmen
41 If you are laid off, you may apply for unemployment _____ to help you meet expenses while you see
42 During harsh winters, local people often suffer from _____, getting stuck in the severe snow stor
43 If the union is to launch an _____ strike, it is using a lot of time to force the company to conc
44 The profitability ratios are declining and the debt ratio is rising; _____, the financial conditi
45 The mission of the World Wildlife Fund is to conserve and reduce the most pressing threats to the
46 Depression in nursing homes can be due to a variety of stressors, e.g., loss of independence and
47 Modern dancers often perform _____ movements and gestures, which symbolize or suggest deeper mean
48 In contrast to abstract numbers, people tend to gravitate toward vivid information like examples