Tham khảo tài liệu 'industrial machinery repair part episode 1 part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 34 Maintenance Skills Assessment C. Drip lubricator. D. Oil sump. 18 A lubrication system in which the component needing lubrication rotates through an enclosed housing containing oil and carries the oil to other components is called a n A. Dip lubricator. B. Shot lubricator. C. Drip lubricator. D. Oil sump. 19 In a force-feed lubrication system lubricant is moved to the component needing lubrication by a A. Cooler. B. Pump. C. Filter. D. Bearing. 20 What is the most undesirable by-product of oil misting A. Bearing failure B. Shaft damage C. Explosion potential D. Oil breakdown Knowledge Area Bearings 1 The two basic categories of bearings are A. Plain and antifriction. B. Ball and roller. C. Journal and ball. D. Pillow-block and roller. 2 Bearings A. Are found in machines with moving parts. B. Function as guides. C. Help reduce the friction between moving parts. D. All of the above. Maintenance Skills Assessment 35 3 Thrust bearings A. Support axial loads on rotating members. B. Support radial loads on rotating members. C. Both A and B. D. None of the above. 4 Antifriction bearings A. Contain balls. B. Contain rollers. C. Will run hot if they are overlubricated. D. All of the above. 5 Bearing lubrication systems include A. Lubrication by hand. B. Central grease systems. C. Pressure-feed oil systems. D. All of the above. 6 Plain bearings operate by A. Separating the races with balls or rollers. B. Using an air gap. C. Hydraulics. D. Running on a film of lubricant. 7 Antifriction bearings operate by A. Separating the races with balls or rollers. B. Using an air gap. C. Hydraulics. D. Running on a film of lubricant. 8 Roller bearings are used over ball bearings for which of the following situations A. High-speed applications B. High-load applications C. Wet environments D. Mobile equipment engines 9 Bearing clearance can be described as A. The space between the rolling elements and the races. B. The allowed difference between the shaft size and the bearing inner .
