1. The forward force that comes from the

engines or the propellers is

a. drag

b. lift

c. thrust

d. weight

Determine the degrees of superheat of steam at 101.325 kPa and 170°C. a. 50°C b. 70°C c. 60°C d. 80°C

1. (5 pts) An adiabatic steam turbine operating reversibly in a powerplant receives 5 kg/s steam at 3000 kPa, 500 °C. Twenty percent of the flow is extracted at 1000 kPa to a feedwater heater and the remainder flows out at 200 kPa.

How does a 2.5 MW wind turbine costing $ 4 million compare to a 5-kw wind turbine $3 / W? a) Same $/w b) Smaller $/w c) Larger $/w

Neglecting the presence of friction, air drag, and other inefficiencies, how much gasoline is consumed when a 1300 kg automobile accelerates from rest to 80 km/h. Assume the density and enthalpy of gasoline are 680 kg/m3 and 45 MJ/kg respectively.

A ventilation duct must convey 2 000 m of air per hour. The cross section of the duct is rectangular, 1 000 mm x 500. Determine the average air velocity as well as the mass flos rate if the air density is 1,2 kg/m3

How many watts of power are used in a circuit with a 1.5V battery drawiing 410 mA?

Brian is responsible for ordering cement for a construction project. He had just determined that the construction crew would need 540 cubic yards of cement when the building owner decided to shorten the driveway, eliminating the need for 44 cubic

Dave is a recruiter for a very large graphic design firm and he is looking for an employee who is willing to give the entire productive hours to activities related to the job. Which quality is he looking for?

Which of the following is a common use for commas? Separating two elements Separating unrelated adjectives Connecting two independent clauses Connecting two dependent clauses

Which component stores energy as potential energy in a mechanical system?