:the initial quality (x1) is 2 kg of ammonia is contained in a rigid sealed tank at 10 °C. The surroundings temperature is 95 °C. The ammonia is now heated until all ammonia transferred to saturated vapor at 90 °C. Tank Ammonia, 2 kg Ti = 10°C T2 = 90 c (sat. Vap.) ₂ Tsun. = 95°C Q

:the initial quality (x1) is 2 kg of ammonia is contained in a rigid sealed tank at 10 °C. The surroundings temperature is 95 °C. The ammonia is now heated until all ammonia transferred to saturated vapor at 90 °C. Tank Ammonia, 2 kg Ti = 10°C T2 = 90 c (sat. Vap.) ₂ Tsun. = 95°C Q

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

An ideal gas is changed from p1 = 1bar, v1= 10m3 to p2 =10 bar , v2 = 1m3 , calculate Q & W for the follwing process: a- Isothermal process. b- adiabatic compression followed by cooling process at constant pressure. c- Heating at constant volume followed by cooling at constant pressure? Take Cp= (5/2)R & Cv=(3/2) R
3. A 2-kg steam water mixture at 1.0 MPaa is contained in an inflexible tank. Heat is added until the pressure rises to 3.5 MPaa and the temperature to 400 °C. Determine: a) Heat transferred (kJ), b) AH (kJ), c)AS (kJ/k)
0.56 kg of water in a piston cylinder device as shown initially the water is at T, = 120 °C with volume V, = 36 L (State 1). Heat is then added such that all the water in the cylinder is saturated vapor and the piston just touched the spring without exerted any force on the spring (State 2). Then additional heat is added to the system such that the temperature is T, 600 °C and the pressure is P,= 400 kPa (State 3). 3 Po 3 1) Find the total work (from state 1 to state 3, in kW). O 147.73 2) O Not listed Qin 111.16 133.48 107 23 156.11 125.24 2) Find the total heat transfer for the process (from state 1 to state 3, in kW). 1424.6 O Not listed O 1486.0 O 1585.4
Water at 700 C has a specific volume of 0.02600 m^3 /kg. Determine the pressure of the water based on a) ideal gas equation, b) the generalized compressibility chart and c) the steam tables. d) Determine the error involved in cases (a) & (b). 目 English (United States)
An amount of an ideal gas undergoes the process shown in the diagram below. Assume that during the entire cycle, the number of moles of the ideal gas stays constant. Р. A В V (a) What are the signs of Way the gast Q, and AEint for the process CA? positive positive Wby the gas AEint zero (b) What are the signs of Wby the gas Q, and AEint for the process AB? negative negative zero W by the gas AEint (c) What are the signs of Wby the gas: Q, and AEint for the process BC? Wby the gas positive Q negative DE int zero
Q.5(a) 7 kg of air undergoes the cyclic process as shown in figure. Determine the work done for individual step and the cycle as whole.Figure-1[5]B. Tech. (I Sem.) CHE 102 (b) While working in chemistry lab (room temperature 30 oC) a student accidentally dropped a piece of cupper (12 g, 100 oC) in 30 ml water. Calculate the temperature of metal-water system at thermal equilibrium.Heat capacity of Cu = 0.54 J/ oC-gHeat capacity of water = 4.2 J/ oC-g
Using the tables for water, determine the specified property data at the indicated states. (a) At p = 3 bar, v = 0.3 m³ /kg, find T in °C and u in kJ/kg. T = U = (b) At T = 320°C, v = p = U = V = h = °C P = kJ/kg = 0.034 m³ /kg, find p in MPa and u in kJ/kg. (c) At p = 28 MPa, T = 400 °C, find v in m³ /kg and h in kJ/kg. m³/kg h = MPa kJ/kg (d) At T = 10°C, v = 100 m³ /kg, find p in kPa and h in kJ/kg. kJ/kg kPa kJ/kg
Air in a rigid tank is at 200oC and 150 kPa. The air is cooled to a final equilibrium state of 60oC . i. Determine the change in pressure of the air, kPa. ii. Show and label the process on a temperature versus volume (P-v ) diagram. The gas constant for air, R is 0.287 kJ/kg.K and the universal gas constant, Ru is 8.314 kJ/kmol.K.
A piston/cylinder apparatus initially contains 0.4 kg of saturated water vapor at a pressure of 200 kPa. The water vapor is now heated until the (extensive) volume of the H,0 is 0.5 m³ (state 2). (a) Fill in the following table. H,0 State Temp. T(C) P (kPa) Specific volume Volume Specific internal energy u (kJ/kg) 2529.1 Pressure P, = 200 kPa V (m?) Sat. vapor v (m³/kg) 1 200 0.5 state 1. (b) Determine the total work done by the H20 during the process, 1→2. (c) Determine the total heat transfer to the H,0 during the process, 1→2. (d) Draw the process on a P-v diagram. Label both states. (e) EXTRA CREDIT: Determine the change in enthalpy of the H20 from 1>2 and explain why this answer makes sense.
A typical gasoline (β=0.00095/°C) tank can hold 65 liters (~17 gallons). At the gas station, the storage tank is underground and is maintained at a temperature of 50.0°F. On a hot day at 103.0°F you fill your empty tank. (a) What is the equivalent temperature difference in °C? A typical gasoline (β=0.00095/°C) tank can hold 65 liters (~17 gallons). At the gas station, the storage tank is underground and is maintained at a temperature of 50.0°F. On a hot day at 103.0°F you fill your empty tank. (c) How much gas should you put in your car on this hot day at so that it will fill (not overfill) the tank when it expands to 103.0°F?
Mr Zul operates a hot plate. He places a closed, rigid container of volume 0.5 m3on the hot plate. Initially, the container holds a saturated mixture with quality ofvapour of 0.5, at a pressure of 100 kPa. After heating, the pressure in the containerincreases to 150 kPa.a) Calculate the mass of vapour at the initial and final states (in kg).b) If heating is allowed to continue, find the pressure (in kPa) when thecontainer holds only saturated vapour.c) Sketch the T – v diagram for this system.
A sealed vessel with a volume of 200 m³ is heated by a heat source. At the beginning of the process the vessel holds saturated water mixture at a pressure of 120 bar with a liquid fraction of 20%. The vessel is heated until a pressure of 130 bar. For this process: a. Draw the process on a T-V diagram b. Find the total mass of mixture in the vessel C. Find the quality of steam at the end of the process (when P=130 bar) inside the vessel