Ch A system takes in 0.610 kJ of heat while it does 0.930 kJ of work on the surroundings. What is the change in internal energy of the system? 320 kJ

Q: 21 a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it on alevel…

A: Given data: Mass of the car = 1550 kg Speed of the car (v) = 900 km/h…

Q: During a steady flow process, the pressure of the working substance drops from 200 to 20 psia, the…

A: P1=200psiaSpeed, v1=200 ft/secSpecific volume,v1=2 ft3/lb∆u=-20 BTU/lbm=15 lb/min…

Q: the total energy change in this process is equal to zero

A: Since there is no change in kinetic and potential energy and internal energy is a function of…

Q: How high is this platform

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Q: In a jet engine a diffuser decreases the kinetic energy of the air entering the engine. The air…

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Q: Two pounds of steam at 260 psia & 550°F underdoes a constant pressure process until the quality…

A: Write Given in standard units Determine specific volume at initial state using steam table V1 =…

Q: 1. One kg of air in a closed system undergoes an isentropic process during which the temperature…

A: Since we only answer up to 3 subparts so we will answer only 3. Please resubmit the question by…

Q: 3. How much heat is released by a system when 45Jof work is done on it to decrease energy to 23 J

A: Given Data Work done on the system is : W=45 J Decreased energy of system is : ∆E=-23 J Now from…

Q: A car is driven by an engine power 10kW and running at a constant speed 77km/h. How much is the…

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Q: 1. A man expends 100J of work moving a box up an inclined plane. The amount of work produced is 80J.…

A: We are suppose to solve only one question. Please post other question as a separate question.

Q: Take: h1 - h6 = 1500 kJ/kg h3 - h2 = 900 kJ/kg Thermal efficiency = 44% Oa 1363 kJ/kg O b. 264 kJ/kg…

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Q: What is the work of the compressor in KJ/kg?

A: Given:  P2 = 90 bar=9000 kPa T2 = 625 oC P3 = P4 = 16 bar= 1600 kPa

Q: gas inside a piston-cylinder arrangement is being compressed by a 50 kJ of work. If its internal…

A: Given:W=-50 KJU1=60 KJU2=100 KJ

Q: A room is heated as a result of solar radiation coming in through the windows. Is this a heat or…

A: Considering the room as a system, the solar radiation coming through the windows will act as the…

Q: In a commercial water heater, 80 L/min of water is heated from 20° C to 60° C . Calculate the amount…

A: Given, V˙=80 L/minT1=20o CT2=60o C

Q: 2) a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it on alevel…

A:

Q: a 3 kW electric resistance heater in a room is turned on and kept on for 55 min. the amount of…

A:

Q: A steam turbine is receiving 1014 lbm/hr of steam, determine the HP output of the turbine if the…

A: The power output of the turbine is the product of the mass rate of steam and work done by steam…

Q: 29. The work steady flow for an open system is 3.12 HP. During steady flow process, the pressure of…

A: Given:-W=3.12 HP∆U= -24 BTU/lbmm˙ = 10 lbm/minP1=200 psiaC1=200 fpsV1=1 ft3/ lbmP2=20 psiaC2=1000…

Q: The potential energy of water in a cylindrical tank located on top of a building 15m high, is 150…

A: To find out the weight of the tank  P.E=mgh 150000=W(15) W=10,000N

Q: A non-flow system receives 100KJ of heat transfer and loses 30KJ as work transfer. What is the…

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Q: When an object of 4 kg changes it’s velocity from 10 to 30 m/s, what is its kinetic energy change…

A: mass m=4kg initial velocity V1=10m/s final Velocity V2=30m/s To Find the kinetic energy change in KJ

Q: 125 kg barbell is initially on the ground, where it has zero potential energy. It is then lifted to…

A: Given Data M=125 kg H=1.02 m

Q: An object of mass 1000 kg, initially having a velocity of 20 m/s, accelerates to a final velocity of…

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Q: A machine does 9-kJ of work in 1 min. What is the power developed by the machine? A) 2000 Watts B 42…

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Q: (b) A 1300-kg car travelled from 10 to 60 km/h on an uphill road with a vertical rise of 30 m.…

A: Given data: The mass of the car is m=1300 kg The initial velocity of car is u=10 km/h=2.78 m/s The…

Q: A 5 kg gaseous system in a piston cylinder receives heat at a constant pressure of 350 kPa. The…

A: Given Data m= 5 kg P=350 kPa= constant ∆U= 200 kJ ∆T= 70 K W= 100 kJ

Q: A reciprocating compressor draws in 500 cubic feet per minute of air whose density is 0.079 Ib/ft^3…

A: Air sucking with density =0.079 lb/ft3Discharge density =0.304 lb/ft3P1=15 PsiaP2=80 psia Increase…

Q: If the work done during adiabatic process is 5 kJ, then its change in internal energy is O A. 256 kJ…

A: We have to determine change in internal energy

Q: _______________ is a form of energy. It is transferred from one body (at a higher temperature) to…

A: ENERGY Energy is a physical system's ability to do work. Energy can be converted, but can not be…

Q: n a given process, a heat engine requires 2500J of energy and exhausts 1200J of heat. What is its…

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Q: What is not stored energy? A. Heat B. Kinetic energy C. Internal energy D. Potential energy

A: Heat energy can be stored as sensible heat or latent heat. Internal energy is also stored in a…

Q: d. The amount of heat transfer when the piston first hits the stops in kJ e. The total heat transfer…

A: Write the properties of steam at 5 MPa pressure and 507°C. Write the properties of steam at 5 MPa.…

Q: 1. One pound of air per second with an initial temperature of 180°F is allowed to expand without…

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Q: While the pressure remains constant and 85 psig, the volume of air changes from 20 ft° to 12 ft°.…

A:

Q: A 75-hp compressor in a facility that operates at full load for 2500 h a year is powered by an…

A: Given: The power of the compressor is P=75 hp. The time of operate is t=2500 h. The efficiency of…

Q: 1 kg of ice from a freezer at -10◦C is placed in a bucket in the garden where the temperature is…

A: Given data: TL=-10°CTH=20°Cm=1kg Need to determine the maximum amount of work that can be done by…

Q: Q2/ A 1.343 x 107 J fan is used in a large room to provide for air circulation. Assuming a well…

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Q: Air is flowing steadily through a horizontal heated tube. The air enters at 40°F and at a velocity…

A: given; inlet temperature(T1)=400Finlet velocity(V1)=50ft/sexit temperature(T2)=1400Fexit…

Q: A new nuclear power plant design uses 108 kg of nuclear fuel to produce 240 TJ of useful work out…

A: Useful work, W=240 TJ=240×1012J Waste Heat, Q=427 TJ=427×1012J According Einsteins Mass Energy…

Q: A closed system receives 60 kJ heat but its internal energy decreases by 30 kJ. Then the work done…

A: First law of thermodynamics states that in a closed cycle, the sum of heat is equal to sum of work.…

Q: A 800 J of work is done by a system, while 500 J of heat is removed from the system.

A: Given that, Work done by the systen, W=800 J,Heat removed from the system, Q=-500 JNegative sign is…

Q: A 25 kW automobile engine consumes 1.25 kg of gasoline when it runs for 10 minutes. What is the…

A: We have to determine efficiency

Q: D. A box with a mass of 25 kg and a box with a mass of 10 kg are lifted and set on the same shelf.…

A: given data-  m1 = 25 kg m2 = 10 kg  to determine - energy of the two masses

Q: A closed system undergoes an adiabatic process. During the process, the system operates at the same…

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Q: 4. Air is compressed polytropically in a cylinder according to pV=C. The work required is 180 kJ.…

A: Given data  Air is compressed polytopically pV2 = constant on comparing with pVn = constant thus,…

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.