Questions from Engineering


Q: A large water utility is planning to upgrade its SCADA system for

A large water utility is planning to upgrade its SCADA system for controlling well pumps, booster pumps, and disinfection equipment for centralized monitoring and control. Phase I will reduce labor an...

See Answer

Q: Your grandmother deposited $10,000 in an investment account on

Your grandmother deposited $10,000 in an investment account on the day you were born to help pay the tuition when you go to college. If the account was worth $50,000 seventeen years after she made the...

See Answer

Q: An A&E firm planning for a future expansion deposited $

An A&E firm planning for a future expansion deposited $40,000 each year for 5 years into a sinking (investment) fund that was to pay an unknown rate of return. If the account had a total of $451,000 i...

See Answer

Q: Parkhill, Smith, and Cooper, a consulting engineering firm,

Parkhill, Smith, and Cooper, a consulting engineering firm, pays a bonus to each engineer at the end of the year based on the company’s profit for that year. If the company’s initial investment was$1....

See Answer

Q: For a 5-year period, determine the compound interest rate

For a 5-year period, determine the compound interest rate per year that is equivalent to a simple interest rate of 15% per year.

See Answer

Q: A person’s credit score is important in determining the interest rate they

A person’s credit score is important in determining the interest rate they have to pay on a home mortgage. According to Consumer Credit Counseling Service, a homeowner with a $100,000 mortgage and a 5...

See Answer

Q: Which of the following 1-year investments has the highest rate

Which of the following 1-year investments has the highest rate of return: $12,500 that yields $1125 in interest, $56,000 that yields $6160 in interest, or $95,000 that yields $7600 in interest?

See Answer

Q: The business plan for KnowIt, LLC, a start-up

The business plan for KnowIt, LLC, a start-up company that manufactures portable multi-gas detectors, showed equivalent annual cash flows of $400,000 for the first 5 years. If the cash flow in year 1...

See Answer

Q: RKE & Associates is considering the purchase of a building it currently

RKE & Associates is considering the purchase of a building it currently leases for $30,000 per year. The owner of the building put it up for sale at a price of $170,000, but because the firm has been...

See Answer

Q: Thompson Mechanical Products is planning to set aside $150,000

Thompson Mechanical Products is planning to set aside $150,000 now for possible replacement of large synchronous refiner motors when it becomes necessary. If the replacement isn’t needed for 5 years,...

See Answer