Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
You are considering buying some land that use to be part of a sheep farm. The property is too far away from the grid so you have to have your own remote area power supply. This would take the form of solar for hot water and wind and solar panels for electricity. You would also need a way of storing the energy for times when the sun was not shining and the wind was not blowing. Someone suggested that pumped hydro might work but before you rush off and purchase the equipment you do some back of envelope calculations to see if the idea has merit. Assume you were to purchase
• two 30,000 litre water tanks and put one on a frame 6m higher than the other
• a small pump which is 85% efficient
• a small turbine which is 90% efficient when providing a maximum output of 300 watts.
a) What percentage of the input energy needed to pump the water up to the top tank could you recover from the turbine as the water ran back to the bottom tank?
b) What is the maximum amount of energy your water tank system could store?
c) With what velocity would the water be flowing in to the turbine at the moment just before the top tank became empty?
d) If you could get the turbine to output 42W at 12V to light three fluorescent globes how long would they be lit for?
A firm's bonds have a maturity of 21 years with a $1,000 face value, a 7 percent semiannual coupon, are callable in 4 years at $1,060, and currently sell at a price of $1,125. What is their yield to call (YTC)?
Zymase is a biotechnology start-up company. Research at Zymase must choose one of three different research strategies. The payoffs & their likelihood for every strategy are given below.
How much did Jake's accountant allocate for depreciation and amortization?
They expect their investment account to earn 9%. How large must the annual payments at t = 5, 6, and 7 be to cover Ellen's anticipated college costs?
Is this project in division manager’s best interests? Explain why or why not? Carry out DuPont Analysis on this project. Determine the project’s residual income?
The bank's investment managers (as practice) hedge against expected increase in interest rates by trading twenty Eurodollar futures contracts with a minimum contract value of $1 million.
galveston shipyards is considering the replacement of an 8 year old riveting machine with a new one that will increase
normarsquos cat food of shell knob ships cat food throughout the country. norma has determined that through the
A not-for profit nursing home has total expenses of $20 million, sales tax in the state is 7 percent, expenses are broken down into salaries (12 million dollar), supplies (6 million dollar), and pharmacy (2 million dollar).
discuss the differences between cash flow and accounting income and why it is important to use cash flow in making
q. which of the employee benefits has greater value? suppose a 28tax rate.a a non-taxable pension contribution of 4300
shao industries is considering a proposed project for its capital budget. the company estimates that the projects npv
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd