Which of the following statements is correct for the process shown in the PV diagram below? A. Volume is increasing, and the system is expanding. B. Volume is decreasing, and the system is being compressed. C. Volume is not changing at all. D. None of the above are correct.

QUESTION 15 Based on the given pV diagram, match the answers with questions. 1 T₁ T₂ T3 -Isotherms 4 ✓the change in thermal energy for process 0→1 ✓the change in thermal energy for process 0→7 ✓the change in thermal energy for process 0→6 A. negative B. zero C. positive D. not enough information

1A Carnot vapor power cycle operates with water as the working fluid. Saturated liquid enters the boiler at 1000 lbf/in.2, and saturated vapor enters the turbine (state 1). The condenser pressure is 1.2 lbf/in.2 The mass flow rate of steam is 1 x 107 lb/h. Data at key points in the cycle are provided in the accompanying table. State p (lbf/in.2) h (Btu/lb) ----------------------------------------- 1 1000 1192 2 1.2 783.4 3 1.2 416.3 4 1000 542.5 Determine:(a) the percent thermal efficiency.(b) the back work ratio.(c) the net power developed, in Btu/h.(d) the rate of heat transfer to the working fluid passing through the boiler, in Btu/h.

Which of the following is not a characteristic of a microcanonical ensemble? a. E, V and N are constant b. The system is isolated c. Energy can be exchanged with the heat bath d. It has specific total energy

A gas, initially at 22 degrees Celsius expands from 2.5 m^3 to 5 m^3 while keeping constant pressure of 10^5 Pa.  A) Sketch the PV diagram for this process B) Find the work done by the gas during this process C) What is the final temperature of the gas?

Which of the following processes leads to zero work? I. Adiabatic process II. Isobaric process III. Isochoric process IV. Isothermal process A. II and IV only B. II and III only C. I only D. III only

Based on the given pV diagram, match the answers with questions. 0-4 and 0→8 are adiabatic processes. Isotherms v Q for process 0→1 A. not enough information v Q for process 0→8 B. negative v Q for process 0→7 C. positive D. zero

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In solar dish experiment, which objectives are achieved? a. know how to calculate the concentration ratio b. understand how solar dish works c. understand how water temperature can be heated by the sun o d. all of these Clear my choice

One cubic meter of oxygen at initial pressure of 1 bar and a temperature of 17°C are compressed isentropically to a volume of 0.50m 3. Use the specific heat at constant volume and pressure are 0.919 kJ/kgk and 0.659 kJ/kgK, respectively. determine the: a. The thermodynamic process the problem represents b. the pressure, temperature, and volume after the process c. change in internal energy, change in enthalpy and change in entropy d. work nonflow and heat transferred