7.0 In a steady flow apparatus , 135 KJ of work is done by each kg of fluid . The specificvolume of fluid, pressure, and speed at the inlet are 0.37 m/kg ,600 KPa, and 16 m/sec. Theinlet is 32 m above the floor, and the discharge pipe is at floor level .The discharge conditionsare 0.62 m/kg ,100 KPa, and 270 m/sec.The total heat loss between the inlet and discharge is 9KJ/kg of fluid. In flowing through this apparatus, does the specific internal energy decrease orincrease , and by how much ?Ans. -20 KJ/kg.

Answered: 7.0 In a steady flow apparatus , 135 KJ…

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

1. As a junior city engineer of a municipality, you are tasked to design the specifications of the pump with 3650 cu.m/day. The water source in the municipality is from an open reservoir and will supply to a pressure tank that will distribute to the municipality. open 4l Pressure reservoir Tank 70 m 15 m Pump Determine the following specifications of the pump and piping system (assume fluid stagnation at the pump). Velocity head at pt.1 to 2 if the diameter of the pipe is a.) 200 mm b.) Suction pressure of the pump in kPa (Pressure at pt. 2). c.) Velocíty head at pt.3 to 4 if the diameter of the pipe is 150 mm d.) Discharge pressure of the pump in kPa (Pressure at pt. 4). Assume atmospheric pressure at the pump. If an air vent is installed at the pipe just right before the pressure tank with diameter of 20 mm, what is the velocity of discharge in m/s? The height of the pressure tank is 12 m, what is the flowrate in cu.m/hr at pt.5 if the diameter of the pipe is 150 mm? e.) f.)
Suppose that you are willing to determine the diameter of the water jet impinging to the sink from the kitchen tap.The tap is produced to supply three different flow rates of the low, medium, and high. For each flow rate level, waterthat comes from the tap fills the beaker with a volume of 30 mL in 10 s, 6 s, and 2 s, respectively. The outlet of the tapis 13 mm, and the distance between the tap outlet and the sink is 53 mm. Determine the diameters of the water jetimpinging on the sink at three given flow rates.
Q3- A centrifugal pump draws water from a sump through a vertical 15 cm pipe diameter. The pump has a horizontal discharge pipe 10 cm diameter which is 3.5 m above water level in the sump. While pumping 30 l/s, gages near the pump at entrance and discharge read -35 kPa and+180 kPa respectively. The discharge gauge is 0.5 m above the suction gauge. Determine the power output of the pump. * P 10.5 m 3.5 m
24 m3/s of water flowing through the fixed vanes of a turbine, has a tangential velocity component of 2 m/s at a radius of 1.25 m and the impeller turning at 240 rpm discharges in an axial direction. Neglecting losses, what is head on the turbine.
2. A centrifugal pump consists out of an impeller, diffuser and casing and is powered by 300 kW (shaft power) and rotates at 96.3 rad/s. The flow rate generated by the machine is54.7 Kilo-litres/min. The impeller blade inlet angle and width is 23° and 180 mmrespectively. The blades occupy 12% of the impeller area and the water is assumed toenter the impeller radially. Suction and delivery pipes are equal in size. Determine:2.1. The impeller inlet (i) diameter and inlet blade velocity. (Hint - Substitution: Vfi in terms of Di and Ui in terms of Di both sub into Tan of Blade inlet angle, only unknown is then solving for Di2) 2.2 If the pump has a mechanical efficiency of 80%, calculate the blade velocity at outlet (Uo) and outlet whirl velocity Vwo. Assume the blade exit angle equal to the guide vane angle. (Hint - Substitution: Write Vwo in terms of Uo sub in Euler equation only unknown then is solve for Vwo 2.3 Impeller outer diameter. 2.4 If the flow through velocity is consistent…
The internal and external diameter of the impeller of a centrifugal pump are 200 mm and 400 mm respectively. The pump is running at 1200 r.p.m. The vane angles of the impeller at inlet and outlet are 20° and 30° respectively. The water enters the impeller radially and velocity of flow is constant. Determine the work done by the impeller per unit weight of water.
Problem 1. Air in a diffuser (diffuser: A device that increases pressure of a fluid by decreasing fluid velocity). Air enters the diffuser at a inlet outlet steady velocity of 200 m/s, T= 10 °C, and P = 80 kPa. The inlet area of the diffuser is 0.4 m². The air leaving the diffuser (outlet) has a very diffuser small velocity compared to the inlet velocity. Find the mass flow rate (kg/s) of the air and the temperature (°C) leaving the diffuser.
7. A 4ft diameter tank at atmospheric pressure contains two inlets and one outlet port. The first inlet port has a flow diameter of 3.0in. and the flow diameter of the second inlet port is 2.0in. Water enters the first inlet port at 5 ft/s. Water enters the second inlet port at 8 ft/s. Water leaves the tank at a rate of 2 lb/s. Find the rate of change of the tank water level (ft/s). Assume density of water is 62.4lb/ft³. Explain step by step, and draw a figure or free body diagram.
QUESTION 1:A centrifugal pump consists out of an impeller, diffuser and casing and is powered by 300kW (shaft power) and rotates at 96.3 rad/s. The flow rate generated by the machine is54.7 Kilo-litres/min. The impeller blade inlet angle and width is 23° and 180 mmrespectively. The blades occupy 12% of the impeller area and the water is assumed toenter the impeller radially. Suction and delivery pipes are equal in size.Determine:1.1The impeller inlet (i) diameter and inlet blade velocity.(Hint - Substitution: ln in terms of D and U, in terms of D, both sub into Tan of Blade inlet angle,only unknown is then solving for Dz)1.2.If the pump has a mechanical efficiency of 80%, calculate the blade velocity atoutlet (U.) and outlet whirl velocity Vw.. Assume the blade exit angle equal to theguide vane angle. (Hint - Substitution: Write Vw in terms of U, sub in Euler equation onlyunknown then is solve for Vwo)1 3Impeller outer diameter.1.4,If the flow through velocity is consistent through the…
A pump has a total (manometric) head of 12.1 m. The radial velocity through the pump is constant at 3 m/s. The exit angle of the impeller vanes is 70 deg and the water enters radially. If whirl velocity at exit is 13 m/s, ignoring friction and other losses calculate The peripheral velocity at the impeller exit, in m/s The velocity of the water leaving the impeller, in m/s The Euler Head The manometric efficiency answer to be entered as a decimal, is 0.7, not 70% By application of Bernoulli's equations, determine the static pressure head, in m, at the exit of the impeller if the static head at the inlet to the impeller is 1,5m water
Steam enters a turbine with an enthalpy of 1292 BTU/lb and leaves with an enthalpy of 1098 BTU/lb. The heat loss is 13 BTU/lb. What is the work done per BTU/min and in hp for a flow of 2 lb/sec? Provide complete solution, with diagram
2. A pump draws water from a lake delivered to a height of 50 meters above the lake and encounters 15 meters of headloss. Determine the pump power requirement in Kilo-Watts to deliver a constant supply of 500 Liters per second? The correct answer has a margin of 1 from exact answer. Velocity head is neglected.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS