You must supply a 100 MW load. You can buy a five year contract for 100 MW of power 24 hours a day for $130M. (You pay the $130M up front and can consume up to 100 MW per hour. Any power you do not use is lost. But, assume you will use all of it.) Alternatively, you can buy a 100 MW generator with a 30 year life for $70M and pay fuel and maintenance costs of $15/MWh. Analyze costs using a 4% real interest rate and determine which is the cheaper alternative.

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise