Which option identifies the type of engineer Jonathan is in the following scenario? Jonathan is an engineer who travels around the world looking for the most ecologically safe places to extract coal from the earth. He has been partnering with another engineer who is currently attempting to create equipment to separate the coal from other dirt components in an eco-friendly way.

The proportional limit is always greater than the yield strength for a material. a)-trune b)- false

Liquid flows at steady state at a rate of 2 lb/'s through a pump, which operates to raise the elevation of the liquid 100 ft from control volume inlet to exit. the liquid specific enthalpy at the inlet is 40.09 btu/lb and at the exit is 40.94 btub. the pump requires 3 btu/s of power to operate. if kinetic energy effects are negligible and gravitational acceleration is 32.174 tt/s, the heat transfer rate associated with this steady state process is most closely 1)-2,02 btu/s from the liquid to the surroundings 2)-3.98 btu/s from the surroundings to the liquid. 3)-4.96 btu/s from the surroundings to the liquid. 4)-1.04 btu/s from the liquid to the surroundings.

The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal