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
1,120 feet
1,000 feet

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Engineering Economics
Current ratio is:

Current assets/Current liabilities
None of these
(Current assets + loans)/Current liabilities
(Current assets + loans advances)/Current liabilities

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Engineering Economics
The key to profitable operation for project cost control, is:

None of these
To keep the project cost equal to subsequent construction budget
To keep the project cost within the cost budget and knowing when and where job costs are deviating
To keep the project cost equal to original cost estimate

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