输煤专业技术考试题-b（Coal handling specialized technical examination questions -b）.docVIP

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输煤专业技术考试题-b（Coal handling specialized technical examination questions -b）.doc

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输煤专业技术考试题-b（Coal handling specialized technical examination questions -b）

输煤专业技术考试题-b（Coal handling specialized technical examination questions -b） The coal professional and technical examination -B Fill in the blanks (each 1 points, a total of 20 points) 1, ring type coal crusher main crushing process can be divided into: extrusion, shear, impact, grinding and rolling process of 5. 2, tensioning device for belt conveyor belt is to ensure there is enough friction. 3, the stacking operation with fixed, rotating and walking in three ways 4, cloth belt conveyor angle more than 4 degrees, usually to set the backstop. 5, there are three control methods of coal handling system, namely local manual, manual focus, concentration control. 6, the buffer roller can be divided into rubber ring and spring type two. 7, the role of roller support belt, driving device, bend roller and cleaner etc.. 8, the role is to ensure that the belt tensioning device with sufficient tension to the driving drum and belt to generate friction, another role is to limit the tape roller center in the support, the normal operation of the belt conveyor. 9, coal handling system at startup, according to the inverse direction of coal flow start equipment. Two, choice (each of 2 points, a total of 20 points) The coal falling pipe on the level of the angle should be less than 1, installed in the coal handling system (C) 80 ~ A.. 60 ~ B.. 55 ~ C.. 35 ~ D.. 2, coal conveyer belt tensioning car taut wire rope large stuck, bare steel core and (B) the case should be replaced immediately. A. rope body dirt; B. strand breakage; C. luantao; D. switch 3, start the crusher before and after running should be checked against the wear plate thickness does not exceed (). A.3/4; B.1/4; C.1/3; D.1/2 4, the following will not cause the coal conveyer belt slippage is (D). A. tension weight weight light; B. starting with load; C. non working surface water; D. coal drum stick Fuel transport equipment 5, a brake, when the brake failure (A). Prohibit the use of A. B. C.; use caution; reduce the load us