Engineering Economics
A mathematical expression also known as the present value of annuity of one is called ______.

Demand factor
Load factor
Sinking fund factor
Present worth factor

ANSWER DOWNLOAD EXAMIANS APP

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.

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

ANSWER DOWNLOAD EXAMIANS APP