compressor draws in 500cfm of air whose density is 0.079 lb/ft3 and discharges it with a density of 0.304 lb/ft3. At the suction , p1 = 15 psia; at discharge , p2= 80 psia. The increase in the specific internal energy is 33.8Btu/lb, and the heat form the air by cooling is 13 Btu. Neglecting changes in potential energy and kinetic energy, determine the work done on the air in BTu/min and Hp.

Q: Duct system losses are the irreversible transformation of mechanical energy into heat. These types…

A: The duct is the passage for removing or adding air to a specific area for performing the purpose…

Q: In a certain process, energy entering is 1500 KJ/kg and 150 m/s. If the energy leaving is 1200…

A:

Q: A 30-kW motor drives a fan and delivers air through a duct 1.0 m x 1.0 m at 11.684 cm WG static…

A: Given Dataρair=1.2kg/m3ρwater=1000kg/m3P=30kW11.68cm WG=1.15kPa2.159cm WG=0.651m/s

Q: Inside of a room, the atmospheric pressure measures out to be 100 kPa. A pipe with a diameter of 0.5…

A:

Q: An open vent vertical cylindrical tank 2 m. in diameter and 4 m.

A:

Q: A fluid system undergoes a non-flow frictionless process from 4.5 ft 3 to a final volume 1.5 ft 3 in…

A:

Q: The horizontal pump in Fig. P3.178 discharges 20 ° C waterat 57 m 3 /h. Neglecting losses, what…

A: Given: The volumetric flow rate, Q = 57 m3/h The diameter of pipe 1, d1 = 9 cm The diameter of the…

Q: A vertical cylinder tank 3m x 4m receives water whose density of 990 kg/m3 at a rate of 300 GPM and…

A:

Q: A water tank initially contains 140 L of water. Now, equal rates of cold and hot water enter the…

A:

Q: Seventy kilojoules of work is done by each kilogram of fluid passing through an apparatus under…

A: Given:- W=70 KJ/Kg V1=3m3/kg P1=300 kPa U1=50m/s Z1=30m Z2=15m V2=9m3/kg P2=60 kPa Q= -3KJ/Kg To…

Q: A reciprocating compressor draws in 500 ft/min of air whose density is 0.079 Ibm/t° and discharges…

A: Given data: v=500 ft3/min=39.5 lb/minρ1=0.079 lbm/ft3ρ2=0.304 lbm/ft3p1=15 psiap2=80 psia∆u=33.8…

Q: The bernoulli's equation between 2 sections in a flow channel, for ideal fluid is ___________ Total…

A: Bernoulli's equation is an energy conservation equation.  The Bernoulli's equation is shown below.

Q: .A centrifugal air compressor compresses air at the rate of 20 kg/min from 1 bar to 2 bar. The…

A: Given Data  Temperature at point 1 is :T1=20°C=293 K Temperature at point 2 is : T2=120°C=393 K…

Q: DESCRIBE THE ENERGY ANALYSIS OF STEADY-FLOW SYSTEMS

A: The expression for steady flow energy equation, Steady flow equation for isentropic turbine for…

Q: A water initially contains 140 L of water. Now equal rates of cold and hot water enter the tank for…

A:

Q: A compressor draws in 0.25 m/s of air whose density is 1.26 kg/m³ and discharges it with a density…

A:

Q: Helium is used in the Carnot engine where the volumes beginning with constant temperature heat…

A:

Q: 3. The power requirement of a fan in kW in order to supply air at a rate of 500m3/h at a total…

A:

Q: Seventy kilojoules of work is done by each kilogram of fluid passing through an apparatus under…

A: GIVEN DATA -

Q: In a gas turbine , the flow rate of air is 4 kg/sec . The velocity and enthalpy of air at the…

A:

Q: A small steam whistle (perfectly insulated) and doing no shaft work causes a drop of 0.8 kJ/kg in…

A:

Q: A wind tunnel draws atmospheric air at 20° C and 101.3 kPa by a large fan located near the exit of…

A: Given: The atmospheric pressure is P1 =101.3 kPa. The temperature of the air is T1=20°C. The…

Q: 18. A centrifugal air compressor compresses air at the rate of 20 kg/min from 1 bar to 2 bar. The…

A: m˙=20 kgminm˙=.33 kgsecP1=1 bar ,P2=2 bar T1=20°c, T2=120°c

Q: 3. If the water flowing out of the nozzle can be considered to be incompressible, with negligible…

A: Find the pressure at section A and flow rate out of the tank. Using bernauli's theorem.

Q: At the exhaust of a turboject engine the nozzle is operating steadily and heat loss is assumed…

A:

Q: team enters a turbine with a pressure of P1 = (5000 – K) kPa, specific internal energy u1 = (3500 +…

A:

Q: work is done by each kg fluid. The specific volume of the fluid, pressure, and speed at the inlet…

A: The solution is given below:

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

A: Given data as per question v=500 ft3minp1=15 psiap2=80 psiaQ=13 BTUlbΔu=33.8 Btulbρ1=0.079…

Q: Steam flows into a turbine at the rate of 10 kg/s and 10 KW of heat are lost from the turbine.…

A: Given:mass flow rate of steam, m=10 Kg/sHeat lost, Ql=10 KWh1=2739 KJ/Kgh2=2300.5 KJ/Kg

Q: A wind turbine has a blade length of 30 m. In a given day, average speed of wind for 5 hours is 9…

A: Wind Turbine is a device that converts mechanical energy into electrical energy. The kinetic energy…

Q: 2. An air-conditioning system requires air flow at the main supply duct at a rate of 180 m³/min. The…

A:

Q: Seventy kilojoules of work is done by each kilogram of fluid passing through an apparatus under…

A:

Q: 2. An air compressor handles 8.5 m3/min of air with a density of 1.26 kg/m3 and a pressure of 1 atm,…

A:

Q: A 60 mm diameter pipe enlarges to a 90 mm diameter pipe. In the smaller pipe, the density of a…

A: given; →inlet pipe diameter(D1)=60mm=0.06m→outlet pipe diameter(D2)=90mm=0.09m→inlet…

Q: compressor draws in 500 cubic feet per minute of air whose density is 0.079 lb/cu ft and discharges…

A:

Q: Steam enters a turbine with a pressure of P1 = (5000 – K) kPa, specific internal energy u1 = (3500 +…

A:

Q: An automobile moving through the air causes the air velocity (measured with respect to the car) to…

A:

Q: A 6cm diameter horizontal water pipe expands to a 10cm diameter pipe. The average velocity and…

A: Given Data D1=6 cm D2=10 cm V1=7 m/s P1=150 kPa

Q: A water pump increases the water pressure from 15 psia to 70 psia. Determine the power input…

A:

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

A:

Q: A garden hose attached with a nozzle is used to fill a 20-gal bucket. The inner diameter of the hose…

A: Given data: The volume of the bucket, V = 20 gal. Inlet diameter of the nozzle, d1 = 1 in. Outlet…

Q: A garden hose attached with a nozzle is used to fill a 20-gal bucket. The inner diameter of the hose…

A: Given data: The volume of the bucket, V = 20 gal. The inner diameter of the hose, D1 = 1 in. Outer…

Q: At the exhaust of a turboject engine the nozzle is operating steadily and heat loss is assumed…

A:

Q: A rotary air compressor is required to deliver 900 kg of air per hour. The enthalpy of the air at…

A:

Q: A garden hose attached with a nozzle is used to fill a 22-gal bucket. The inner diameter of the hose…

A:

Q: Helium is used in a Carnot engine where the volumes beginning with the constant temperature heat…

A:

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

A: Answer: The work on the air is 60.364222 BTU/lb (56.235 HP).

Q: A well insulated valve is used to throttle water from1 MPa and 125 °C to 75 kPa. Please determine…

A: given; initial pressure(P1)=1MPa                                   =1000KPainitial…