How are fossil fuels made?

The yield strength of mild steel is 150 MPa for an average grain diameter of 0.038 mm; yield strength is 250 MPa for average grain diameter 0.009 mm. What is the yield strength for the same steel having an average grain diameter 0.

Water is contained in a rigid vessel of 5 m3 at a quality of 0.8 and a pressure of 1 MPa. If the pressure is reduced to 270.

When you first start a car after it has been sitting for more than an hour, it pollutes up to ... times more than when the engine is warm. 10 2 20 5

A computer chip inside an orbiting satellite heats up during operation. Since there is no air in the satellite the only cooling will be by radiation. The chip is 1.50 cm wide by 2.50 cm long with a negligible thickness; it has an emissivity of 0.

It was found experimentally that a certain material does not change in volume when subjected to an elastic state of stress. Calculate Poisson's ratio for this material?

7. D7 A cylindrical brass rod having a minimum tensile strength of 450 MPa (65,000 psi), a ductility of at least 13%EL, and a final diameter of 12.7 mm (0.50 in.) is desired. Some brass stock of diameter 19.0 mm (0.75 in.

When an electrical signal travels through a conductive wire, it produces an electromagnetic (EM) field. Likewise, when an EM field encounters a conductive wire, it produces a proportional electrical current. A. True B. False

Liquid water enters an adiabatic piping system at 15°C at a rate of 8kg/s. If the water temperature rises by 0.2°C during flow due to friction, the rate of entropy generation in the pipe is?

What does stall mean?

A flow of 100 mgd is to be developed from a 190-mi^2 watershed. At the flow line the area's reservoir is estimated to cover 3900 acres. The annual rainfall is 40 in. the annual runoff is 14 in. and the annual evaporation is 49 in. 1.