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 pressure and 2.159 cm WG velocity pressure. The density of air is 1.20 kg/m³ and the density of water is 1000 kg/m³. Determine: 2. The capacity of fan, m3/s  3. Fan efficiency, %

Q: Consider the arrangement shown in Fig. 1. For this setup the streams of air and water flow are…

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Q: A 0.3 m^3 rigid tank receives paddle work at a rate of 4.5 W for 30 minutes. Initially, the gas has…

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Q: The figure below shows a mixing tank initially containing minitial = 1750 lb of liquid water. The…

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Q: A horizontal pipe has a sudden expansion from diameter 8 cm to diameter 16 cm as shown in Figure…

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Q: 4. An open system has a mass flow rate of 1 kg/s the enthalpy, velocity, height of entry are: 232…

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Q: A steady-state, steady-flow compressor draws in 15 m3/min of air whose density is 1.267 kg/m3 and…

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Q: A manometer with water as working fluid is connected to an air duct as shown in Figure 1.1. Flow…

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Q: 6.    The velocity in a 2-cm diameter pipe is 20 m/s. If the pipe enlarges to 5-cm in diameter, the…

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Q: The velocity distribution (in m/s ) in a pipe with D1 = 4 cm is given by 1/7 Vz = 3 1- R1 where R1 =…

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Q: The flow area at the inlet can be determined knowing the inlet: 1. temperature, velocity, and…

A: GIVEN DATA A MCQ QUESTION IS GIVEN WE HAVE TO CHOOSE CORRECT CHOICE

Q: 5. Air whose density is 0.078 Ib/ft^3 enters the duct of an air-conditioning system at a volume flow…

A: Answer: The velocity of the air at the duct inlet is 825.06 fpm (ft/min).

Q: Find the mass flow rate in kg/s of a liquid (p = 0.69 g/cm3) flowing through a 5 cm (inside…

A: Given data:- Density p= 0.69 g/cm3 = 690 kg/m3                       Diameter d= 5 cm= 0.05 m.…

Q: There are 400 kg/min of oil (SG = 0.80) being handled by a pump. The lift is from a reservoir to an…

A: given that: Mass flow rate of the oil is 400 kg/min specific gravity of the oil is 0.80 elevation is…

Q: A compressor receives 21.6 m³/min of carbon dioxide (CO₂) gas. The initial and final specific…

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

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Q: A steady state flow compressor draws in 14170 li/min of air whose density is 1.267 kg/m3 and…

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Q: PROBLEM 1 A hydroelectric power plant has the hydraulic turbine located 60 m below the elevation of…

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Q: The figure below shows a mixing tank initially containing minitial = 2000 lb of liquid water. The…

A: Given:Initial mass of water, mi=2000 lbMass flow rate from 1st inlet pipe, m1=0.8 lb/sMass flow rate…

Q: 2. Consider a wind turbine that is situated in an area that has steady winds. The turbine rotates at…

A: Given: Speed of the turbine→N=16 RPM Hence rotational speed of the turbine: →ω=2πN60=2×π×1660=1.67…

Q: A fan which ventilates a small mine run at 500 rev/min. The airflow is measured at 150m3/s when the…

A: Fan speed,  = 500 Air flow,  = 150 Pressure drop, Efficiency of fan, It is asked to find the speed,…

Q: Q5: A-Steam enters a turbine with a velocity of 35 m/s and specific enthalpy 2990 kJ/kg . the steam…

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Q: A pump discharges a liquid into a tank at the rate of 0.032 m³/s. The tank, 1.5 m in diameter and…

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Q: .The refrigerant volume flow rate at the entrance of compressor were obtained from a test on a twin…

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Q: re is 1000°K, inlet pressure 1000 kPa, and the exit pressure is 150 kPa. The turbine produces…

A: given: inlet temperature =1000 Kinlet pressure=1000 kPaexit pressure=150 kPa

Q: m = 70 kg/s P₁ = 40 kPa Saturated Liquid Water W = 140 kW 2 Q = 302 MW Boiler 3

A: (a) To find: The boiler pressure. Given: The pressure at the entry of the pump is P1=40 kPa. The…

Q: 2. A spherical tank with radius R (=1.5 m) has a hole at the bottom through which water drains out.…

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Q: Air enters a turbine at 900K and leaves at 300K. The turbine shaft is connected to a generator with…

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Q: 3. A desktop computer is to be cooled by a fan whose flow rate is 0.34 m³/min. Determine the mass…

A: Given data,  Q= 0.34 m³/ min  At h= 3400 m  density ρ= 0.7 kg/m³  v= 110 m/min

Q: Q4: Determine the maximum height increase provided by a 7.46 KW pump with a 6-cm-diameter inlet and…

A: Given data:- Power rating of pump, P=7.46 kW Diameter at inlet, d1=6 cm Velocity at inlet, V1=10…

Q: Q5. The pump shown in Figure 1 is pumping oil of a density 860 kg/m' and is powered by a 35-kW…

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Q: The rotor of an impulse turbine is 60 cm diameter and runs at 9,610 r.p.m. The nozzles are at 20° to…

A: Given Data: Impulse turbine Diameter D=60 cm=0.6 m Impulse turbine rotation N=9610 rpm Nozzle Angle…

Q: A turbine, operating under steady-flow conditions, receives X1 kg of steam per hour (For X1 refer…

A: Given Data: Inlet Conditions…

Q: Water flow through a pipe at 18 li/sec. The inlet diameter of pipe is 15 cm and its exit diameter is…

A: Answer: Power input to the pump = 4.7 kW Have a good day.

Q: 3. 12 kg of air per minute is delivered by a centrifugal air compressor. The inlet and outlet…

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Q: Using the concept of mass balance, determine: i.) Mass flow rate m, and Total Solid (TS) fraction…

A: It is required to determine mass flow rate and TS

Q: 1. A hydroelectric power-generating facility is to be built at a location that has a change of…

A: Given Data Q=227 m3/s H=45 m

Q: Q4: A centrifugal fan for ventilation plant has inlet and outlet area of 0.14 m2 and 0.15 m2…

A: Guage Pressure: The pressure that is measured relative to the atmosphere is known as gauge pressure.…

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

A: Apply steady flow energy equation to evaluate the power of the compressor.

Q: A pump delivers 4 ?3/??? of water from 110 kPa to 350 kPa. Both pipes’ gages are on the same level.…

A: Given DataP1=110kPaP2=350kPaD1=16cm=16×10-2mD2=13cm=13×10-2mρ=997kg/m3Flow Rate…

Q: Q5. The pump shown in Figure 1 is pumping oil of a density = 860 kg/m' and is powered by a 35-kw…

A: given data power of pump = 35 kw density of oil = 860 kg/m3 electric motor efficiency = 90% water…

Q: A system receives 10,320 lb/hr of fluid at the following initial properties: u, = 2,731 kJ/kg; P1 =…

A: Write the given data with suitable variables: m.=10320 lb/hru1=2731 kJ/kgP1=16kPav1=0.081 m3/kgV1=15…

Hydronics