Tunnel Engineering

In Belgium method of tunnelling_____.

  • A. Construction of side walls is completed before invert and roof arch are built
  • B. Construction of roof arch is completed before side walls and inverts are built
  • C. Construction of invert is completed before side walls and roof arch are built
  • D. Construction of invert and side walls is completed before roof arch is built
Answer: Option B.
Explanation: 

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

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button
error: Alert: Content is protected !!