資訊推薦

• 27. Which of the following is greater than the depth of cut, the value of r (cutting ratio) is alway
• 28. Which of the following method can reduce the build -up edge (BUE): (A) decrease the cutting spee
• 29. Which of the following type of metal chips is commonly observed: (A) Continuous, (B) Built-up ed
• 30. Which of the following force acts in the direction of the cutting speed, and supplies the cnergy
• 31. Which ofthe following item can NOT be used to measure cutting forces: (A) force transducer,(B)ac
• 32. A typical lathe can perform which of the following operations: (A) Facing, (B) Cutting, (C) Bori
• 33. Which of the following tool geometry mainly affects the cutting forces in a turning process: (A)
• 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