Tunnel Engineering

As compared to a single free face, if a charge of explosive is placed equidistant from two faces, then the yield_____.

  • A. Remain same
  • B. Decreases
  • C. Increases by 2.25 times
  • D. Increases by 3.5 times
Answer: Option C.

IS 14665 gives details about elevators. It specifies the number, capacityof elevator and number of floors to be served.

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