Coal Winning and Panel Layout Design in Mining
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Questions and Answers

What is the maximum height of the Model 615 SDL?

  • 1.6 m
  • 1.3 m
  • 1.74 m (correct)
  • 1.752 m

    • What is the ideal limiting gradient for the modern chain bucket type SDL?

  • 1 in 10
  • 1 in 7
  • 1 in 5 (correct)
  • 1 in 9

    • What is the minimum room height required for loading onto standard coal tubs?

  • 3 m
  • 2 m
  • 1.5 m
  • 2.4 m (correct)

    • What is the ground pressure of the Model 611 SDL?

    <p>0.79 kg/cm2</p> Signup and view all the answers

    What is the purpose of the small chain conveyor fitted at the bottom of the bucket in the modern chain bucket type SDL?

    <p>To discharge coal without tilting the bucket</p> Signup and view all the answers

    What is the ground clearance of the Model 615 SDL?

    <p>140 mm</p> Signup and view all the answers

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