A multiple choice question on an economic quiz contains 10 questions with five possible answers each. Compute the probability of randomly guessing the answers and getting 9 questions correct

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.

Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.