When operating at full capacity, an electric power-generating boiler consume this fuel at a rate of 44 kg s-1. Over an annual cycle, the boileroperates at 75 percent of its rated capacity. The sulfur in the fuel is converted to SO2during combustion. It is removed from the flue gas by means of a scrubber with 80 percent efficiency. What is the SO2emission rate from this power plant in metric tons (103 kg) per year?

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?