A stationary tank contains 5.4 kg of air at 720 K. What is the entropy change of air cooled to 330 K?S2- S,=m'CvIn(T2/T1) )19 -( Take specific heat constant,a) - 2.4884 kJ/KB) – 3.0248 kJ/KNS) - 2.4416 kJ/KO D) – 2.1703 kJ/KTO) – 2,8008 kJ/K

Option B is correct -3. 0248 Kj/K

A stationary tank contains 5.4 kg of air at 720 K. What is the entropy change of air cooled to 330 K? S2- S,=m'C,In(T2/T1) ) 9 - ( Take specific heat constant, a) - 2.4884 kJ/K B) - 3.0248 kJ/K NS) - 2.4416 kJ/K O D) - 2.1703 kJ/K O TO) 2 2009 1-T/

A stationary tank contains 5.4 kg of air at 720 K. What is the entropy change of air cooled to 330 K? S2- S,=m'C,In(T2/T1) ) 9 - ( Take specific heat constant, a) - 2.4884 kJ/K B) - 3.0248 kJ/K NS) - 2.4416 kJ/K O D) - 2.1703 kJ/K O TO) 2 2009 1-T/

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter31: Gas Heat

Section: Chapter Questions

Problem 5RQ: The specific gravity of natural gas is A. 0.08. B. 1.00. C. 0.42. D. 0.60.

See similar textbooks

Related questions

Q: Energy balance results (in kW) obtained for the same medium speed single cylinder diesel engine are…

A: Since, In the case 1 it is given that water has extracted 7.1 kW of heat from the cylinder so there…

Q: 6. Four pounds of air gain 0.491 Btu/°R of entropy during a nonflow isothermal process. If p, 120…

Q: 8.20 A quantity of air initially at 1 bar, 300 K undergoes two types of interactions: (a) it is…

A: Given that, Pressure of air, P1=1 bar,Temperature of air, T1=300 K,

Q: m operating at steady state. The ducts a entering at state 2 is AV2 = 2000 ft³/mi nergy effects. n…

Q: Entropy generated due to the heat transfer

A: Given data; An amount ,Q=100kwOne side of wall is maintained ;T1=1270C=127+273=400 KOther side of…

Q: 3.1 kg/s of air expands through a turbine from 8 bar, 800 K to 1 bar, 400 K. The inlet velocity is…

Q: a) the volume at state 1. b) the air mass per cycle. c) the heat addition per cycle, in kJ.

Q: In a polytropic process equation PV = C. If n = co, the process is termed as

A: In a polytropic process equation PVn=C, If n=∞, the process is termed as Answer: d) Constant Volume…

Q: 4. Considering the Typical Energy Balance for gasoline engine, @ atmospheric condition of 1.013 bar…

A: Introduction: A four-stroke engine sometimes known as a four-cycle engine is a type of internal…

Q: Questions 56-60 are based on the information given here. Air, as an ideal gas, undergoes a…

Q: how do wind turbines work?

A: Wind turbines work on a simple principle: It uses kinetic energy of wind to make electricity.

Q: 4. Two and one-half pounds of air actuate a cycle composed of the following processes: polytropic…

Q: 10. 2.5 lbs of air actuate a cycle composed of the following processes, polytropic compression 1-2,…

Q: Helium expands polytropically through a turbine according to a process PV1.3=c. The inlet…

Q: Steam at 80 bar, 440 °C, enters a turbine operating at steady state with a volumetric flow rate of…

A: Given data as per question Initial pressure = 80 bar Initial temperature = 4400c Volumetric flow…

Q: A constant volume process 2-3 and a polytropic 3-1 with n - 1.2 complete the cycle. Grculation is a…

A: Given that: Process 1-2: Isentropic compression process P1 = 103.4 kPa, T1 = 27 oC = 300 K, P2 =…

Q: States that

A: Given; If a system is in equilibrium and the position of the system depends upon many independent…

Q: 4.43 Air expands through a turbine from 10 bar, 900 K to 1 bar. 500 K. The inlet velocity is small…

Q: Air enters the diffuser of a ramjet engine (schematic shown below) at 6 lbf/in.2, 420°R, with a…

Q: a SSSF control volume has three inflow streams, where each inflow stream has a mass-flow-rate,…

Q: A closed rigid container has a Volume of 1 m^3 and holds air at 344.8 kPa and 273 K. Heat is added…

Q: 40 m3 of air (R=0.287), at a gage pressure of 20kPa, and a temperature of 27 °C. then the specific…

A: 40 m3 of air (R=0.287), at a gage pressure of 20kPa, and a temperature of 27 °C. then the specific…

Q: Question 2 In reference to Figure 2.1, show that head addition to a process is a function of…

Q: 7.10 If 2 kg of steam at 18 bar and 288°C undergo a constant pressure process until the quality…

Q: team flows isentropically through a nozzle from 1500 kPa, 288 deg.C to 960 kPa. For 454 g/s,…

Q: Q22(i) Construct the flow chart (diagram) and compute the total heat required to convert 900 g of…

A: Mass = m = 900g = 0.9 kg Cice= 2090 J/kg C Cwater= 4186 J/kg C Csteam =2010 J/kg C latent heat of…

Q: air enters a pipe at 25 °C, 100 kPa with a volumetric flow rate of 23 m3/h. On the outer pipe…

A: Given data as per question Initial temperature = 250 c Initial pressure =100 kpa Volumetric flow…

Q: A closed rigid container has a Volume of 1 m^3 and holds air at 344.8 kPa and 273 K. Heat is added…

Q: 1. A nonflow (closed) system contains 1 kilogram of an ideal gas (C,=1.0 kJ/kg.K, C, =0.713…

Q: 443 Air expands through a turbine from 10 bar, 900 K to 1 bar 500 K. The inlet velocity is small…

A: Given Temperature, T1 = 900 K Temperature, T2 = 500 K Power output, P = 3200 kW Exit…

Q: In an undisturbed airstream, where pressure is 14.7 lb/in² and temperature is 59F, the velocity is…

Q: A wind turbine extract maximum power from wind, when the downstream wind speed reduces to: Zero…

A: Option B is correct one third of upstream wind

Q: In an undisturbed airstream, where pressure is 14.7 lb/in² and temperature is 59F, the velocity is…

Q: Keys Work Relations Questions 66-70 are based on the stated information listed below. Air, as an…

A: Given: P1=500 kPaP2P=500 kPav1=1 m3/kgv2=2 m3/kg

Q: Find the quantity of air circulation, in kg/sec, if the plant develops 1,065 kW.Find the heat…

Q: Instructions: Write the complete solution with cancellation of units. PROBLEM |. In a constant…

Q: How much do diesel mechanics work in the oilfields or in general?

A: Diesel Mechanics area unit answerable for the upkeep and repair of diesel-powered vehicles. Their…

Q: W2 m In a four stage compressor, if the pressure at the first and third stage are 1 bar and 16 har t…

Q: 36. Steam enters a turbine with an enthalpy of 1292Btu/lb and leaves with an enthalpy of 1098…

Q: A certain SSSF, adiabatic control volume with single inflow and outflow streams has mass-flow-rate,…

Q: multiple choice question A system executes a power cycle while receiving 1000 Btu by heat transfer…

A: Given Data: Heat added to the cycle Qa=1000 Btu The temperature of heat addition TH=900oR Heat…

Q: A nonflow (closed) system contains 1 kilogram of an ideal gas (C,=1.0 kJ/kgK, Cy=0.713 kJ/kg.K). The…

Q: Air as an ideal gas flows through the turbine and heat ex- changer arrangement shown in Fig. Data…

Q: The aqueous humor circulates within the eye, flowing in at a constant rate Qin = 2 µl/min, and…

A: The constant flow rate is Qin=2 μl/min. The increased pressure is δp=10 mmHg The expression of…

Q: Steam expands adiabatically through a turbine at steady state. The entering stream is at 750…

Q: Given the following data, which part do you think has the highest water potential or has the ability…

A: The potential of water is measured in negative values. Plants have the lowest water potential, and…

Q: A reciprocating air compressor takes in air at 1 bar, 25 deg. C, and compresses it to a pressure of…

Q: 5. A rigid tank of 1 m³ contains nitrogen gas (N2) at 600 kPa, 127 °C. By mistake someone let 0.5 kg…

A: NOTE:-As per our guidelines we are supposed to answer only one question. Kindly repost other…

Q: Air enters a compressor operating at steady state at 14 lbf/in?, 60°F, with a volumetric flow rate…

Concept explainers

Types of loading

In mechanical terminology, the term load indicates that external force/weight, either constant or variable, acts on a mechanical member/structure. The weight of an object of a specific material is also an external load, and the external force that works on a structure comes under the categories of loading. The external load generates its effects as stress and strain in the structure.

Question

A stationary tank contains 5.4 kg of air at 720 K. What is the entropy change of air cooled to 330 K?
S2- S,=m'CvIn(T2/T1) )
19 -
( Take specific heat constant,
a) - 2.4884 kJ/K
B) – 3.0248 kJ/K
NS) - 2.4416 kJ/K
O D) – 2.1703 kJ/K
TO) – 2,8008 kJ/K

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Answer :-

VIEW

Explanation:-

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Pls. Answer thank you! A cooling tower has an efficiency of 65%. Water enters the tower at 55°C. The wet bulb temperature of surrounding air is 27°C. What is the temperature of water leaving the tower?
1. If 1 gallon of oil = 1.4 therm, how many gallons have been wasted by heat loss in Feb? (1 therm = 100,000 BTU)_____________________________________________________________________________________2. If $1.30 per therm, how much did you waste from house heat loss in Feb?
29 - Water is drawn from the bottom of a large tank filled with water open to the atmosphere. If the outlet velocity is 7.2 m/s, what could be the height of the water in the tank? a) 2.64m B) 4.38m NS) 3.65 m D) 5.46 m TO) 2.20m 30 - What would be the weight of an object with a mass of 100 kg in a place where the gravitational acceleration is 8 m/s²? a) 42.2 kgf B) 98.1 N NS) 800 N D) 9810 N TO) 196.2 N
In a steam turbine system, suppose the value of ∆mH is constant (meaning, inlet and outlet conditions are maintained). From the energy balance equation, Qnet + Wnet = ∆mH + ∆KE + ∆PE or −0.1209 kW − 70 kW = ??̇? + 8.75 kW − 0.0068kW 1. What will happen to Wnet if there was no increase in kinetic energy, will the magnitude of Wnet increase or decrease? What should be the sign of potential energy so that Wnet will increase in magnitude?2. For a turbine system, what should happen to Qnet, ∆KE, and ∆PE to maximize the work done by the turbine? Which factor is the most significant?
3. Steam enter a turbine with an enthalpy of 1292 Btu/lb anf leaves with an enthalpy of 1098 Btu/lb. The transferred heat is 13 BTU/lb. What is the work in BTU/min an in h for a flow of 2 lb/sec? 3 decimal in final answer pls
How much do diesel mechanics work in the oilfields or in general?
A plant produces 300 units of an equipment a month of P3,600 each. A unit sells for P4,800.00. The company has 10,000 shares of stock at P200 par value whose annual dividend is 20%. The fixed cost of production is P120,000 a month. (a) What is the break-even point? (b) What is the"unhealthy point"? (c) What is the profit or loss if production is 60% Of capacity? Ans.(a) 100 units/month, (b) 128 units/month, (c) P62,667 per month
Dusty air at a fertilizer plant flows through a 13% efficient cyclone and then through an ESP, The inlet air to the cyclone has a dust loading of 80 grains/cubic foot. In order to meet a standard of 98,5% collection efficiency for the fertilizer plant as a whole, what is the allowable concentration of dust (in grains/cubie foot) in the air that exits from the ESP?a. 0.15 gr/ft3 b 1.2 gr/ft3c. 21.6 gr/ft3 d. 58.4 gr/ft3
1000 cfm of air at 95°F dry bulb, 74°F wet bulb is mixed with 2000 cfm of air at 65°F dry bulb, 54°F wet bulb. Determine the volumetric flow rate of the mixed stream.A. 1845 cfmB. 2445 cfmC. 2745 cfmD. 3104 cfm
Wc= 9 kW P1= 260 kPa T1= 4 Celcius degree V1= 16 m/s P2= 860 kPa V2=50 m/s mc= 0.05 kg/s T0= 24 Celcius Degree cpgas= 1.409 kJ/kgK cvgas= 1.102 kJ/kgK
Air enters into a nozzle at 4 bar and leaves at 1 bar, 350 °C and 700 m/s. Determine temperature of air entering nozzle, nozzle efficiency and nozzle exit area for air flow rate of 4 kg/s. Take c_p = 1.003 kJ/kg ×K. Please answer ASAP. I will rate Positively. Not Chat GPT
A-3.2. Suppose a large tank of water with a temperature of just over 0 Cwe put in a 100 g ice cube. When the ice melts, it absorbs 33 kJ of heat. What is theentropy change of a) (ice) system, b) environment (water tank)?