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asabino asabino
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6 years ago
Speed changes are made on geared head lathes with:
 
  A) Automatic transmissions
  B) Shifting levers with synchro-mesh making possible the shifting up and down with the motor running
  C) A single shift lever mounted on top
  D) Several shifting levers on the headstock

 Q. 2

On lathes where speed changes are made by shifting belts on step pulleys, the shift to low speed range is made by:
 
  A) Moving the back gear lever forward with the spindle running
  B) Shifting the belt tension lever and engaging the back gear
  C) Disengaging the bull gear lock pin and moving the back gear lever with the spindle running
  D) Engaging both the bull gear lock pin and the back gear

 Q. 3

To provide a tapered hole for a flat head screw, use a:
 
  A) Countersink B) Center drill C) Taper reamer D) Counterbore
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esimpso3esimpso3
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6 years ago
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This helped my grade so much Perfect
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