Consider the process of baking potatoes in coventional oven

Reference no: EM13531117

1.Is it possible for a heat engine to operate without rejecting any waste heat to a low - temperature reservior? Explain.

2.Consider the process of baking potatoes in coventional oven.Can the hot air in the oven be treated as a thermal energyreservoir? Explain

Reference no: EM13531117

Questions Cloud

Determine the required capacity of the motor of the : A step-type escalator as shown is designed to transport 120 persons per minute at a constant speed v=1.5 ft/s. The overall efficiency of the escalator is estimated to be 70%, and a 200% overload is to be allowed. Assuming that the average weight per ..

What is the underflow flow rate : A settling tank in a water treatment plant has an inflow of 2m3/min and a solids concentration of 2100 mg/L. The effluentfrom this settling tank goes to sand filters. Theconcentration of sludge coming out of the bottom (the underflow) is18,000 mg/L, ..

The mass flow rate of the refrigerant and : Refrigerant R-134a enters the evaporator coils placed at the back of the freezer section of a household refrigerator at 120 kPa with a quality of 20 % and leaves at 120 kPa and -20°C. If the compressor consumes 450 W of power and the COP is 1.2

Determine how much money the home owner would have saved : A house that was heated by electric resistance heaters consumed 1200 kWh of electric energy in a winter month. If this house were heated by a heat pump that has an average COP of 2.4, determine how much money the home owner would have saved that mont..

Consider the process of baking potatoes in coventional oven : Consider the process of baking potatoes in coventional oven.Can the hot air in the oven be treated as a thermal energyreservoir? Explain

A subway train is traveling at a speed of 45 mile : A subway train is traveling at a speed of 45 miles/hour whenthe brakes are fully applied on the wheels of cars A and B, causing them to slide on the track

Find the magnitude and direction of the resultant axial : A nozzle that discharges a 4in water jet into the atmosphere is onthe right end of a 10in diameter hose. the water in the pipehas a velocity of 12fps and a gage pressure of 60psi. Find the magnitude and direction of the resultant axial force reaction..

Two crews are to start at opposite ends of a mountain : A standard five-day BOD test is run using a mix consisting of fourparts distilled water and one part wastewater (no seed). Theinitial DO of the mix is 9.0 mg/L, and the DO after five days isdetermined to be 1.0 mg/L. What is BOD5 ?

How many customers would be served pertruck if each home has : Making two runs per day, how many customers would be served pertruck if each home has once-per-week service and the truck is usedfive days per week?

User Account

All Pages