1 kg water at velocity 12.5 m/s and 300C enters a 2.54 cm diameter horizontal pipe where there is no heat or work exchange with the surroundings. The water suddenly flows through a larger pipe with a diameter of 3.85cm. Calculate the following: a. Velocity of the water leaving the pipe in m/s b. The change in temperature of the water. Cpwater4.18 Kg.K

1 kg water at velocity 12.5 m/s and 300C enters a 2.54 cm diameter horizontal pipe where there is no heat or work exchange with the surroundings. The water suddenly flows through a larger pipe with a diameter of 3.85cm. Calculate the following: a. Velocity of the water leaving the pipe in m/s b. The change in temperature of the water. Cpwater4.18 Kg.K

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

2. A reciprocating compressor draws in 500 cubic feet per minute of air whose density is 0.079ft/cu. ft and discharges it with a density of 0.304 lb/cu. ft. At the suction, P 1 = 15 Psia; atdischarge, P 2 = 80 psia. The increase in the specific internal energy is 33.8 BTU/lb and the heattransferred from the air by cooling is 13Btu/lb. Determine the work on the air in BTU/min and inhp. Neglect kinetic energy. 3 decimal in final answer pls
The water level required in a tank to obtain velocity of 10 m/s at bottom is
A fan is powered by a 0.5-hp motor and delivers air at a rate of 85 m3 /min. Determine the highest value for the average velocity of air mobilized by the fan. Take the density of air to be 1.18 kg/m3 .
One kg water at velocity 12.5 m/s and 30oC enters a 2.54 cm diameter horizontal pipe where there is no heat or work exchange with the surroundings. The water suddenly flows through a larger pipe with a diameter of 3.85cm. Calculate the following:a. Velocity of the water leaving the pipe in m/sb. The change in temperature of the water. Cpwater=4.18 ????.?
Air at 2.50 kg/m3 enters a nozzle that has an inlet-toexit area ratio of 2:1 with a velocity of 120 m/s and leaves with a velocity of 330 m/s. Determine the density of air at the exit.
A fluid with a pressure of 820 kPa, specific volume of 0.30 m3/kg and a velocity of 150 m/s enters a device. The work done by the fluid is 460 kJ/kg and the heat loss due to radiation is 28 kJ/kg. The exit condition of the fluid are 130 kPa, 0.82 m/kg and 320 m/s. Determine the change in internal energy.
The ventilating fan of the bathroom of a building has a volume flow rate of 50 L/s and runs continuously. If the density of air inside is 1.20 kg/m3, determine the mass of air vented out in one day.
A water pump increases the water pressure from 15 psia to 80 psia. a. Determine the flow work, in Btu/lbm, required by the pump. Assume thatthe state of the water at pump inlet is saturated liquid and that the specificvolume remains constant during this process. b. Water enters this pump through a 1.5-in-diameter opening and exitsthrough a 2-in-diameter opening. Determine the velocity of the water at theinlet and outlet when the mass flow rate through the pump is 1.1 lbm/s
A garden hose attached with a nozzle is used to fill a 40-liter bucket. The inner diameter of the hose is 2cm, and it reduces to 0.8cm at the nozzle exit. If it take 50 seconds to fill the Bucket with water, determine:(a) the volume of mass flow rates of water through the hose, and(b) the average velocity of water at the nozzle exit.
A desktop computer is to be cooled by a fan whose flow rate is 0.40 m3/min. Determine the mass flow rate of air through the fan at an elevation of 3400 m where the air density is 0.7 kg/m3. Also, if the average velocity of air is not to exceed 110 m/min, determine the minimum diameter of the casing of the fan.
a compressor draws in 0.25m^3/s of air whose density is 1.26kg/m^3 and discharges it with a density of 4.87 kg/m^3. At the suction P1=103.4 kPaaa; at the discharge, P2=551.4 kPaa. The increase in the specific internal energy is 78.63kJ/kg, and the heat from the air by cooling is 30.24 kJ/kg. Neglecting the changes of potential and kinetic energy, determine the work on air in kW, BTU/min, and Hp.
A turbine receives steam at a rate of 1.26 kg/s and its shaft power is 500 kW. The casing isadiabatic.Find the drop in specific enthalpy between the inlet and exit of the turbine.a) assuming gravitational and kinetic terms to be negligible.b) assuming that the velocities at entrance and exit are 60 m/s and 360 m/s respectivelyand the inlet is 3 m higher than the exhaust.Take the local gravitational acceleration to be 9.81 m/s2