Use the algorithm below to answer the four questions:

ALGORITHM Mystery(n)

//Input: A nonnegative integer n

S ← 0

for i ← 1 to n do

S ← S + i * i

return S

a.) What does this algorithm compute?

b. ) What is its basic operation?

c.) How many times is the basic operation executed? (Solve the summation.)

d.) What is the efficiency of this algorithm?

To design a steam turbine to produce 12,000 hp power. a engineer comsiders using a steady state stean low st 1160fr and engineer considers using a steady state steam flow at 1160°r and 450 psia to drive this steam turbine. the exhaust of the steam is cooled by the lake (vacuum). heat losing to the surroundings is measured at a rate of 555.55 btu/s. (a) sketch the system with the given conditions. (b) neglecting kinetic and potential energy changes from inlet to exit, determine the volumetric flow rate of the steam at the inlet, (ft'/hr). must clearly show unit conversions at crtical terms.