資訊推薦

• 34. Which of the following is an operation used to make an existing boring hole dimensionally more a
• 35. Which of the following method is cutting starts at the surface of the workpiece where the chip i
• 36. Which of the following will NOT occur due to temperature rising in grinding: (A) adversely affec
• 37. Grinding ratio is defined as the proportion between volume of wheel wear and which one of the fo
• 38. The basic Taylor tool life equation defines the relationship between tool life and which one of
• 39. Gears can be manufactured by which of the following mnachining operation: (A) powder metallurgy,
• 40. Which of the following situation may cause selfexcited vibration (chatter): (A)poor surface roug
• 41. Which of the following advantage can be obtained in the electrochemical machining: (A) burr-free
• 42. Which of the following application is NOT suitable for the electrochemical grinding: (A) milling
• 43. Which of the following can minimize the electrode wear rate in electrical-discharge machining pr
• 44. Which of the following application can be used for the laser-beam machining: (A) drilling nonmet
• 45. Which of the following property NOT belongs to coated tools coatings: (A) lower friction, (B) hi
• 2. The concept of diminishing marginal rate of substitution indicates that(A) as the consumption of
• 3. The demand for factor is driven by the demand for goods and services produced by that factor ofpr
• 4. In an eight-hour day, Andy can produce either 24 loaves of bread or 8 pounds of butter. In an eig
• 5. For consumers, goods A and B are complementary goods. The cost of a resource used in the producti
• 6. The price of a gallon of milk falls. Which of the following is a possible cause?(A) Milk is a nor
• 7. There is a technological advance in the production of a good and simultaneously also an increase
• 8. When the price of a movie ticket increases from $5 to $7, the quantity of tickets demanded decrea
• 46. Which of the following item is NOT belong to semiconductor properties: (A) Resistance between an
• 58.威歌參加益智節目《百萬大學堂》，其中出現了一道題目(如下圖)。若最後他做出正解，下列何者是他的解答? (A)文中的[他]指的是竇憲 (B)西域指的是現今的青藏、新疆一帶 (C)此通道便是絲綢之路
• 9. The table below gives costs at Jan’s Bike Shop. Unfortunately, Jan’s record keeping has been spot
• 7. (10%) = ?
• 6.請證明: (10分)
• 1. 球面上之曲線與各子午線成相等之斜角者的螺旋曲線，謂為？ (A)航跡 (B)航向 (C)恆向線 (D)橫距