Tutorial2026Proposed solution included

MEF 354 Thermodynamics Tutorial 2026

A second-law-of-thermodynamics tutorial sheet (Tutorial Chapter 1) for MEF 354: Thermodynamics, instructor Dr. Temgoua (no institution or date printed on the source). The 8 exercises cover: net power output and thermal efficiency of a heat engine; fuel consumption rate of a car engine given power and thermal efficiency; coefficient of performance and heat rejection rate of a refrigerator; power consumption and heat absorption of a heat pump heating a house; thermal efficiency and heat rejected by a Carnot heat engine; mass fraction vaporized and pressure for a Carnot refrigeration cycle on R-134a within the saturation dome; minimum power to drive a Carnot heat pump heating a house; and the extra annual energy/cost from a malfunctioning refrigerator light switch.

Open in Shoracy

Opens this paper in the app on your phone.

University of Buea

Faculty of Engineering and Technology - FET

Mechanical and Industrial Engineering - MEF

MEF3542026

Thermodynamics

Tutorial · Second Semester · Level 300

From this paper

Heat is transferred to a heat engine from a furnace at a rate of 80 MW. If the rate of waste heat rejection to a nearby river is 50 MW, determine the net power output and the thermal efficiency for this heat engine.
A car engine with a power output of 65 hp has a thermal efficiency of 24 percent. Determine the fuel consumption rate of this car if the fuel has a heating value of 19,000 Btu/lbm (that is, 19,000 Btu of energy is released for each lbm of fuel burned).

Open in the app to read the full paper and its proposed solution.

View solution Open in Shoracy