1. A centrifugal fan supplies 4.7m3 / s of air at a total static pressure of 325Pa. If the fan efficiency is% 60 and rotates at a speed of 950rpm and supplies air with a velocity of 12m / s, determine the fan total pressure, air power, and fan power? Ans. 411 Pa

Q: Water in pressurized cylindrical tank 40 ft. in diameter discharges into the atmosphere through a…

A: D = 40 ftd = 4 in or 0.333 ft H1 = 50 ftH2 = 2 ft

Q: A centrifugal fan is delivering 0.8 m/s of air at a total pressure differential (across the fan) of…

A: Given data Q=0.8 m3/sec=1695.10cfmArea=0.7 m2=0.753ft2pressure =350pa=1.40653 in-wgP=0.52 kW=0.697…

Q: A 2 1⁄2 - in. fire hose discharges water through a nozzle having a jet diameter of 0.97 in. the lost…

A:

Q: Water (at 30 C/ with a discharge of 200 1/s flows through a 400-mm, 100 m gálvanized pipe (ɛ = 0.16…

A: Given, Q = 200 L/s or 0.2 m3/s  L = 100 m  D = 400 mm or 0.4 m

Q: Given The figure shows a pump delivering 700 L/min of oil (sg - 0.8a) from an underground storage…

A:

Q: Q2)For the system shown in the figure, the water flow rate is (40)L/s. Find the 30m power…

A: Given  Discharge, Q = 40 l/s = 0.04 m3/sec Kinematic viscosity = 1 x 10-6 m2/s  Total head = 30 m To…

Q: The turbine shown in the figure below develops 106 hp when the flowrate of water is 26 ft³/s. If all…

A: P=106hp Q=26ft3/s To find  h ∆P Q

Q: 8-41 Air enters a 10-m-long section of a rectangular duct of cross section 15 cm x 20 cm made of…

A: Given data:- The given value of L is, 10 m The given value of b is, 15 cm The given value of h=20 cm…

Q: If the quantity of air discharged at D is 1,500 m°/min and friction factor of 0.0048, calculate the…

A: Qa = 1500m^3/min Length of AB = 50m Length of BD = 60m

Q: Q4/ In a Francis turbine, the flow velocity of water at inlet ( Vn1= 5m/sec) and its 2m outer…

A: Given:- Vn1=5m/sec diameter=2m guide vane angle = 20 degree n=120 rpm To find:- a) Vw1 b) absolute…

Q: Q1. A rectangular water tank of length 10m and width 6m has a free surface 15m above a 300mm…

A: Given data  Cross sectional area  Length Diameter  Coefficient of discharge

Q: Impeller diameter at the entrance of the impellers is 32 mm in a homologuous series centrifugal…

A: Solution

Q: An ESP must treat 300,000 acfm with 99% efficiency.  Estimate the cost of this ESP (f.o.b.…

A: Given- Q=300,000 acfm=5000 ft3/sn=99%=0.99

Q: A closeted tank kept partially filled with oil (sp.gr. = 0.9) has a pressure in the gas space above…

A:

Q: An empty water tank has a diameter, D=6ft, and height, H=10ft, an inlet valve with a diameter, din…

A: The water tank has a diameter D= 6ft height, H=10ft,inlet valve with a diameter d(in)=6”outlet valve…

Q: shows a pump employed for lifting water from a sump. If its required to pump 60 liters/sec of water…

A:

Q: (67) The water tank shown is filled by pumping water from the well where the water level is located…

A:

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?