Answered: 11. A 4.67 kg substance enters at…

11. A 4.67 kg substance enters at steady flow in a pipe. After 2 minutes, it leaves the pipe with 5.5 m³ discharged. Find the mass at the exit in lb.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

See similar textbooks

Similar questions

A tank initially holding 90 gal of fluid with 30 lb ofsalt has two sources of fluid being pumped in. Onesource is pumping pure water in at 8 gal/min andthe second source is pumping in a salt solution of one-half lb/gal at 3 gal/min. The tank is emptying at 20gal/min. Find the amount of salt in the tank at anytime t.
At the inlet to a certain nozzle the enthalpy of the fluid is 3025 kJ/kg and the velocity is 60 m/s. At the exit from the nozzle the enthalpy is 2790 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it. i) Find the velocity at the nozzle exit. ii) If the inlet area is 0.10 m2 and specific volume at inlet is 0.19 m3/kg. Determine the exit fluid density (kg/m3) if thea area at the exit is one-tenth of the area at the inlet
Problem 2. A garden hose with an attached nozzle is used to fill a container with water. The nozzle starts at a diameter of 2 cm and is then reduced to 0.8 cm at the exit. In 50 seconds, the nozzle and hose are able to fill the container with 10 gallons of water. Find the volumetric flow rate (m³/s), the mass flow rate (kg/s), and the average velocity (m/s) at the at the nozzle exit. Assume the density p of water is 1000 kg/m³.
h. Thirty (30) liters/second of stream water must be pumped up a vertical height of 12 meters to irrigate a farm. If head loss in casing and pump results in 62% pump efficiency and the electric motor used has 91% efficiency, what horsepower rating should the motor have and how many kilowatts will it use while pumping?
At the inlet to a certain nozzle the enthalpy of fluid passing is 2800 KJKG. In addition, the velocity is 50 ms. At the discharge end, the enthalpy is 2600 kJAg. The nozzle is horizontal and there is negligible heat loss from it. a. Find the velocity at the exit of the nozzle? b. If the inlet area is 900 cm² and specific vohme at the inlet is 0.187 m'kg, find the mass flowrate? c. If the specific volume at the exit of the nozzle is 0.498 m'/kg, find the exit area of nozzle? Fhuid in Fhaid out V2= ? A2= ? V- 50 m/s A- 900 cm? hi- 2800 kJkg h2= 2600 kJ/kg
Derive the Bernoulli equation to find the velocity of a gas pump
An outward flow reaction turbine has inner and outer diameter of the wheel as 1 m and 2 m respectively. The water enters the vane at an angle of 20⁰ and leaves the vanes radially if the velocity of flow remains constant as 10 m/s and the speed of the wheel be 300 r.p,m find the vane angles at inlet and outlet.
A forced draft fan is used to provide the combustion air requirements for a boiler that burns coal at the rate of 10 metric tons per hour. The air requirements are 100,000m3/hr , air is being provided under 150 mm water gage by a fan which has a mechanical efficiency of 60%. Find the size of the driving motor in kW
5. Consider two tanks, A and B, each with a large opening at the top. The two tanks contain different liquids. A small hole is made in the side of each tank at the same depth h below the liquid surface, but the hole in tank A has three times the cross-sectional area of the hole in tank B. (a) If it is known that the mass flow rate is the same for the two holes, find the ratio of PALPB of the densities of the liquids in tanks A and B. (b) (c) equal volume flow rates, what height above the hole must the liquid in tank A be just then? Find the ratio RVAIRVB of the volume flow rates from the two tanks. At one instant, the liquid in tank B is 90 cm above the hole. If the tanks are to have
Shown below is the water jet flow from a pressurized closed tank. The vertical distance between free surface and the jet nozzle is . The vertical distance between the highest point of the water jet and the jet nozzle is . The flow is steady and no energy loss is involved. The acceleration due to gravity is . The water's specific gravity is . Find the velocity at point 2 ________ A. 17.2 m/s B. 16.0 m/s C. 255.05 m/s D. 294.3 m/s
22.The potential energy for 2,000 m3 of water stored in dam at a height of 20 m is.
i need correct explanation my best wishes ton