Questions from Engineering

Q: If the cost of electricity decreased to 8 ¢∕kWh, which

If the cost of electricity decreased to 8 ¢∕kWh, which alternative would be the most cost-effective?

Q: The cost of equipment to apply epoxy paint to a warehouse floor

The cost of equipment to apply epoxy paint to a warehouse floor is $1400. Materials and supplies (masking tape, surface repair material, solvents, cleanup supplies, etc.) will cost $2.03 per ft2. Alte...

Q: Two methods to control newly discovered poisonous weeds in bar-ditches

Two methods to control newly discovered poisonous weeds in bar-ditches on the sides of county roads in New Farmendale are under consideration. Method A involves use of a 20-year life lining at an init...

Q: An investment of $1000 was made 25 years ago. The

An investment of $1000 was made 25 years ago. The amount available 10 years from now at the market interest rate of 5% per year and an inflation rate of 2% per year is closest to: (a) $3085 (b) $5430...

Q: You expect to receive an inheritance of $50,000 six

You expect to receive an inheritance of $50,000 six years from now. Its present worth at a real interest rate of 4% per year and an inflation rate of 3% per year is closest to: (a) $27,600 (b) $29,800...

Q: For a real interest rate of 1% per month and an

For a real interest rate of 1% per month and an inflation rate of 1% per month, the nominal inflated interest rate per year is closest to: (a) 1% (b) 2% (c) 24% (d) 24.12%

Q: An industrial robot with a controller, teach pendants, and job

An industrial robot with a controller, teach pendants, and job-specific peripherals has an initial cost of $85,000 now, and the future cost will increase exactly by the inflation rate. The cost of a s...

Q: Assume you save $6000 each year starting this year until your

Assume you save $6000 each year starting this year until your planned retirement 40 years from now. The buying power of the money in terms of today’s dollars at the market interest rate of 10% per yea...

Q: For a real interest rate of 12% per year and an

For a real interest rate of 12% per year and an inflation rate of 7% per year, the market interest rate per year is closest to: (a) 5.7% (b) 7% (c) 12% (d) 19.8%

Q: When all future cash flows are expressed in then current dollars,

When all future cash flows are expressed in then current dollars, the rate that should be used to find the present worth is the: (a) Real MARR (b) Inflation rate (c) Inflated interest rate (d) Real in...