Engineering Economics
A telephone switchboard 100 pair cable can be made up with either enameled wire or tinned wire. There will be 400 soldered connections. The cost of soldering a connection on the enameled wire will be P 1.65 on the tinned wire, it will be P 1.15. A 100- pair cable made up with enameled wire cost P 0.55 per linear foot and those made up of tinned wire cost P 0.75 per linear foot. Determine the length of cable run in feet so that the cost of each installation would be the same.

1,040 feet
1,100 feet
1,000 feet
1,120 feet

ANSWER DOWNLOAD EXAMIANS APP

Engineering Economics
Pick up the correct reason for making conceptual (or preliminary) estimate from the following:

To have a check on a definitive cost estimate
To check quotations from contractors and/or sub-contractors
To compute target estimate for the owner while drawing and specifications are in initial stage
All of these

ANSWER DOWNLOAD EXAMIANS APP