A horizontal piston-cylinder assembly contains 2.00 kg of a fluid. The assembly is fitted with both a heater and a paddle wheel. It is found that the fluid undergoes an expansion from state 1 to state 2. During the process, the paddle wheel transmits 16.4 kJ of mechanical energy (W supplies 83 kJ of thermal energy (Q) to the fluid. The specific internal energy changes from U1 = 2386.6 kJ/kg to U2 = 2409.1 kJ/kg during the process. P.W.) to the fluid via mixing, and the heater %3D Determine the work done by the steam on the piston during the process (Wpiston) (kJ). Your Answer:

T10a please help me with the answer and full solution

B/ Water in a rigid, insulating tank is set in rotation and left. Water comes to rest after some time due to viscous forces. Considering the tank and water to constitute the system answer yes or no. (i) Is any work done during the process of water coming to rest? (ii) Is there a flow of heat? (iii) Is there any change in internal energy (U)? (iv) Is there any change in total energy (E)?

In the two-pipe system, water flows continuously from the inner pipe and air from the outer pipe (steady-state). ˙The pressure change in both pipes is negligible. In addition, heat interaction with the environment, kinetic and potential energy changes are also neglected. In this system shown in Figure 1, the water flowing from the inlet number 1 is in the state of saturated vapor (gas). In this case, calculate the outlet temperature (T2) for the given system, using the ideal gas approximation for air. (Hint: it will be solved iteratively.)

In the two-pipe system, water flows continuously from the inner pipe and air from the outer pipe (steady-state). ˙The pressure change in both pipes is negligible. In addition, heat interaction with the environment, kinetic and potential energy changes are also neglected. In this system shown in Figure 1, the water flowing from the inlet number 1 is in the state of saturated vapor (gas). In this case, calculate the outlet temperature (T2) for the given system, using the ideal gas approximation for air. (it should be solved iteratively.) (Please solve it on paper and solve it line by line. When you type it, it becomes too complicated to understand. Also please explain your solution and don't write too close. Thank you for your effort)

A water tube boiler has a capacity of 1000 kg/hr of steam. The factor of evaporation is 1.3, boiler rating is 200%, boiler efficiency is 5%, heating surface area is 0.91 m²/boiler Hp, and the heating value of fuel is 18,400 Kcal/kg. The total coal available in the bunker is 50,000 kg. Determine total number of hours to consume the available fuel. 1.

THE PRESSURE IN THE SUBTANCE DRASTICALLY DECREASE FROM 354 TO 21 POUNDS PER SUARE INCHES (PSI), THE HEAT ENERGY OF THE OPEN SYSTEM REDUCES 555BTU/LB, AND THE VOLUME INCREASES FROM 1 TO 10FT^3/LB. (A) DETERMINE THE WORK PER LB. UNITS:BTU/LB * (B) DETERMINE THE WORK IN HP (HORSE POWER) FOR 10LB PER MIN. (1HP = 42.4BTU/MIN). UNITS:HP

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Q3. The data listed in the following table gives hourly measurements of heat flux q (cal/cm? /h) at the surface of a solar collector. As an architectural engineer, you must estimate the total heat absorbed by a 150,000-cm2 collector panel during a 14-h period. The panel has an absorption efficiency eab of 45%. The total heat absorbed is given by: h = eab q A where A = area and g = heat flux. 4 6. 10 12 14 0.10 5.32 7.80 8.00 8.03 6.27 3.54 0.20

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