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Assignment 10, Continued - 14081_628
Assignment 10, Continued - 14081_630

Equipment Operator Basic - Beginning construction equipment operators manual
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10–57. Compressors  of  different  types should NOT be used on the same manifold because of what factor? 1. The difference in distance between two or more compressors  could  cause  the overloading  or  underloading of  either  compressor 2. The difference in pressure control  systems  on  different types  of  compressors  could cause  one  compressor  to  be overloaded,  while  the  other is idled 3. The manifold could explode due to uneven air pressure from  two  compressors 4. The uneven flow of air pressure  would  starve  the tools  of  the  correct  amount of required air 10-58. Pneumatic tools can be used with any type or size of compressor as long  as  what  two  requirements  of the tool are met? 1. Psi  and  lubrication 2. Cfm  and  lubrication 3. Air  regulation  and  lubrication 4. Psi and cfm 10-59. What  is  the  major  difference between  a  pavement  breaker/ jackhammer and a rotary rock drill/jackhammer? 1. The  pavement  breaker  has a  rotational  mechanism  and a variation of speeds are available,  while  the  rotary rock drill has only one speed 2. The rotary rock drill has a rotational  mechanism  and  a variation  in  speed,  while  the pavement  breaker  has  only  one speed 3. The cutting bits of the pavement breaker will fit the rotary rock drill, while the cutting bits of the rock drill will  not  fit  the  pavement breaker 4. The drill design of the pavement  breaker,  unlike  that of the rotary rock drill, directs air through the drill, down the drill steel, and into the bottom of the hole to blow out  the  cuttings 10-60. Which of the following pavement breaker  attachments  is  best  suited for  trimming  corners  and  splitting seamed  rock? 1. Moil  point 2. Chisel  point 3. Asphalt  cutter 4. Clay  spade 10-61. The rotary rock drill is a piston rotary  unit  designed  mainly  for what purpose? 1. Hard  rock  drilling 2. Shallow depth rock drill 3. Medium  depth  rock  drill 4. Deep  boring  rock  drill 10-62. The  fourth  class  rotary  rock  drill weighs from 50 to 65 pounds and is used for drill holes up to a maximum of how many feet? 1. 18 2. 12 3. 10 4. 6 77







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