Answer :
Final answer:
The type of mounting frequently used in tunnels and other underground installations where equipment is separated by long distances is trapeze mounting.
Explanation:
In the context of underground installations such as tunnels, where equipment is separated by long distances, the often used mounting technique is trapeze mounting. This is because trapeze mounting allows for efficient cable organization and equipment installation over extended distances. It involves the use of horizontal bars and vertical rods fixed onto the roof of the tunnel or installation, providing a structured and organized way of mounting equipment and managing cables.
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