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Assignment 9, Continued - 14081_620
Assignment 9, Continued - 14081_622

Equipment Operator Basic - Beginning construction equipment operators manual
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9-64. What  component  of  a  diesel  hammer has  compression  rings  and  is  held in place by buffet bolts? 1. The ram piston 2. The  universal  drive  cap 3. The  vibration  damper 4. The  anvil  block 9–65. The length of free travel of the ram-piston from the bottom of the stroke to the safety catch lip at the top is what length, in inches? 1. 69 2. 89 3. 109 4. 118 9-66. The top of the cushion block should be high enough to prevent the hammer shroud from fouling on the rim of the drive cap. 1. True 2. False 9-67. What term is used to describe a pile-driving  hammer  driving  piles without the use of leads? 1. Free hammer 2. Flying  hammer 3. Floating  hammer 4. Glide  hammer Learning  Objective: Recognize principles  of  pile–driving techniques  and  terminology. 9-68. What term is used to describe when a  pile  vibrates  too  much  laterally from the blow of the hammer? 1. Springing 2. Bouncing 3. Refusal 4. Bearing 9–69  . What term is used to describe the 9-70. 9-71. 9-72. 9-73. 9-74. condition reached when a pile being driven by a hammer has a 1-inch penetration  per  blow? 1. Springing 2.  Bouncing 3. Refusal 4. Bearing What term is used to describe a pile  supported  by  skin  friction alone? 1. Bearing 2. Batter 3. Lateral 4. Friction The longer a pile stays in the soil the more compact the soil becomes; therefore,   the greater the resistance to pulling will be. 1. True 2. False What term is used to describe a group of piles driven close together in water and tied together so that the group will withstand lateral  forces? 1. Batter 2. Anchor 3. Dolphin 4. Fender What type of pile is made by pouring  concrete  into  a  tapered hole  or  cylindrical  form  previously driven  into  the  ground? 1. Precast  concrete 2. Cast-in–place   concrete 3. Composite 4. Sheet Which of the following piles is a commonly  used  type  of  sheet  pile? 1. Straight  web 2. Shallow  arch 3. Deep arch 4. All of the above 69







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