Water Supply Engineering

The least thickness of class B cast iron (spun) pipe, is_____.

  • A. 7.2 mm
  • B. 7.9 mm
  • C. 8.6 mm
  • D. 10 mm
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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