Engineering, 26.02.2020 02:09, jayzelgaspar8441

The brake fuel conversion efficiency of an engine is 0.3. The mechanical efficiency is 0.8. The combustion efficiency is 0.94. The heat losses to the coolant and oil are 60 kW. The fuel chemical energy entering the engine per unit time, , is 190 kW. What percentage of this energy becomes (a) brake work; (b) friction work; (c) heat losses; (d) exhaust chemical energy; and (e) exhaust sensible energy

Answers: 2

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 18:10, agpraga23ovv65c

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.

Answers: 2

continue

Engineering, 04.07.2019 18:10, namira16

Which of the following controllers anticipates the future from the slope of errors over time? a)-proportional b)-on/off c)-integral d)-derivative.

Answers: 2

continue

Engineering, 04.07.2019 18:20, moneywaydaedae

Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis

Answers: 1

continue

Engineering, 04.07.2019 19:20, zoebtharpe

Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection

Answers: 1

continue

Do you know the correct answer?

The brake fuel conversion efficiency of an engine is 0.3. The mechanical efficiency is 0.8. The comb...