The coal consumption per hour is the ratio of heat of combustion and calorific value.

Q: Air in an internal-combustion engine has 440°F, 150 psia, with a volume of 3 ft. Combustion heats it…

A: Let's convert all the units into SI units; Initial temperature, 440°F=500 Kelvin Initial pressure,…

Q: Draw and label the P-V and T-S diagrams. A spark ignition engine takes in air at 14.7 psia and…

A: Given: A spark-ignition engine whose initial pressure is, P1=14.7 psi. The initial temperature of…

Q: Q2: Arigid tank of (0.3 m³) at 15.5 bar , if 90% of mass is liquid water, how much heat must be…

A:

Q: ) 1: For a particular gas system, the internal energy is given by : U = 2.5 PV + C , where P:…

A:

Q: (a) the dryness fraction or physical state of the exhaust, (b) the total turbine power output.…

A: Given: State point 1 conditions: T1 = 600 K = 327 oC. P1 = 20 bar. State point 2: P2 = 1 bar.…

Q: thermal efficiency. 64.59% amount of heat added. 556.7054 kJ the maximum gas pressure and…

A: Given: Dual cycle Compression ratio= 14 cutoff ratio= 1.2 pressure ratio = 1.5 P1= 80 kPa T1=20oC…

Q: In charging a car air conditioner, 2.4% of a 15-pound cylinder of refrigerantR-134a is used. How…

A: Let M and N are two numbers. Let M is a part of the whole number N, Percentage =MN Now we convert…

Q: tify if the property of the following steam: Temp Internal Energy Specific Enthalpy C kJ/kg kJ/kg…

A:

Q: 6. What is the total cost of using the following at 9¢ per kilowatthour? a. 110W TV set for 4 h b.…

A:

Q: Your neighbor lives in a 2500-square-foot (about 250 m2) older house heated by natural gas. The…

A: Assumptions: The price of natural gas is based on international prices. so, the price for 1 unit (1…

Q: A gas in a piston-cylinder ass pressure and volume is given by and the final pressure is 2 bar. D…

A:

Q: P

A: To Find :- ideal gas process ?

Q: In the recorded data the above Diesel power plant consumed 38 liters per hr. in 21 hrs operation per…

A:

Q: C. Find the change in internal energy of the cell during the period of operation. [Ar

A: To find :-  Internal energy change

Q: Two kilograms of gas with R = 0.218 kJ/(kg-K) undergoes a process and results to the following…

A:

Q: changed from V, o 20 m/kg. T,-30 °C to V, 055 m'/kg, Tz=260 °C. The specific he is given by equation…

A: Given data  T1 = 30oC T2 = 260oC variation of specific heat with respect to T  Cp = (1.5 +…

Q: . What is the tire pressure when the air returns to 70F?

A: Find tire pressure when the air returns to 70F

Q: the volume at state 1. the air mass per cycle. the heat addition per cycle, in kJ. the heat…

A: Heat Added = mass X sp. heat at constant volume  X temp difference

Q: 1 MT/h CH4 (liq) is heated to 44.85 deg C from 31.85 deg C, 400 kPa. What is the duty of the heater…

A:

Q: Find the efficiency

A: Given data : Input power=I Output power=O   Required : Efficiency

Q: d. Which one most contributing for storing and giving back the energy,

A: Answer: flywheel.

Q: Rate of heat transfer to evaporator from the chilled water Rate of heat transfer from condenser to…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: The thermal

A: Given: Heat engine recieves heat:Q1=35 KJT1=750CRejects heat to the ambient is:Q2=15 KJT2=280C

Q: ne specific gravity of a liquid fuel at 15.6°C is 0.88. What is its ensity at 32°C?

A:

Q: A fuel oil is 87% carbon and 13% hydrogen (wt). Find the difference between the higher and lower…

A: Write the given data with suitable variables. C=87%H=13%

Q: A 73 W freezer has an EER of 10.0. How much heat is exhausted to the room in 2.9 hours?

A: Given:- EER=10 Pi=73W t=2.9 hrs To find; Heat exhausted, Qout

Q: 1. At 25° API specific gravity, what is the heating value of oil in Btu/lb?

A: Note: Since you have asked multiple question, we will solve the first question for you. If you want…

Q: If 250(ft)3(s) of air at 122(°F) and approximately atmospheric pressure is preheated for a…

A: Convert the unit of the flow rate of the combustion chamber (Q) from feet cube per second to meter…

Q: If the average energy in a nuclear reaction is 500 MeV/fission, what is the power output of a…

A: Average energy in a nuclear reaction E=500 MeVfissionE=500×106×1.6×10-19 VfissionRate of fissionsx=…

Q: actual motion of the heated particles, it is referred to transfer by

A: TO determine: When heat is transferred from one particle of a body to another by actual motion of…

Q: ft lb and Cp = (0.2 + 0.0002T) lb R Btu 4. For a certain ideal gas, R = 77.8: lb R It is heated from…

A:

Q: The specific gravity of fuel oil having a heating value of 44,899.2KJ/kg is?

A: given : HV = 44899.2 KJ/kg

Q: Three kg of air undergoes a three process cycle as shown in the figure. Calculate the network.

A: The thermodynamic cycle is shown below.

Q: The fuel has a chemical formula CH4 with 15% excess air. Find the actual mass of air per mass of kg…

A:

Q: s enters the tu V w the law

A:

Q: A 400 lbm object accelerates from 10.0 ft/s to 17.5 ft/s. How much work has been done?

A:

Q: Using the Steam Table, at initial pressure of 0.046 bar and final pressure of 0.107 bar, find the…

A:

Q: A certain gas has C, value of 1968 J/kgK and C, value of 1507 J/kgK. The value of R is

A:

Q: the irreversibility (in W) due to heat

A: Given data, One side of the wall,Tin=400 KOther side at,Tout=300 KRate of heat transfer, Q=1000…

Q: What is the pressure of refrigerant 134a with a temperature of –12.73 °C and a dryness of 0.816?

A: Given data:

Q: maximum possible efficiency for the power

A: Given: T1= 350 F T2=60 F To determine the maximum efficiency

Q: Steam enter a turbine with an enthalpy of 1292 Btu/lb anf leaves with an enthalpy of 1098 Btu/lb.…

A: Given:h1=1292 Btu/lbh2=1098 Btu/lbQ=13 Btu/lbm=2 lb/sec

Q: Air in an internal combustion engine has 327 C, 1200 kPa with a volume of 0.2 m3 Now combustion…

A:

Q: All heat supplied in constant pressure process equals to the change in enthalpy for steam only.

A: For steam or liquid In case of steam or liquid, if any heat is supplied at constant pressure, then…

Q: D eriye an expression for thermal efficiency of Brayton сycle,

A: The answer is given below

Q: What ideal gas process is shown by the graph?

A: It is required to determine given process