Answered: 30lb of ice at 32°F is placed in 100lb…

30lb of ice at 32°F is placed in 100lb of water at 100°F. The latent heat of ice may be taken as 144 BTU/lb, Cp of water=1BTU/lb°F, Cp of ice=0.5045 BTU/lb°F. a. 48°F b. 49°F c. 50°F d. 51°F

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

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 8RQ: Frost accumulates on the evaporators of forced-draft refrigerators because A. they are generally...

See similar textbooks

Related questions

Q: Pr

A: The initial temperature of air, T1 = 400 KThe final the of air, T2 = 900 KThe pressure, p = 1 atm

Q: 50 kNm Given the load diagram, draw its shear and moment diagram. 15 kN/m 60 kN 30 kN/m ↓ Viln 10 m…

Q: Find the center of gravity of the wire.

A: The centroid, when referring to a solid item, denotes the geometric center or the location where the…

Q: Each truss member acts as a two-force member. When a force is developed in a member, the force is…

A: A free body diagram is a diagram which shows all the forces acting on the member with internal…

Q: A turbine processes steam steadily at a rate of 32 kg/s. The steam enters the turbine at 300 °C and…

Q: Derive equation for heat transfer by conduction through hollow cylinder. Also mention assumptions…

A: In heat transfer analysis, the rate of change of state is evaluated by calculating the rate of heat…

Q: 3. Name the principal parts of a simple vapour compression system

A: Vapour compression system:It is the reverse cycle of the thermal cycles. It used a liquid…

Q: The sketch below shows a cylindrical tank that is filled with a liquid of density p. The lid of the…

A: g=9.81 m/s2Height,H=0.5 mRadius,r1=0.3 mAngular velocity,To find:a)Pressure distribution p in the…

Q: A steel shaft with a circular opening on its centroidal axis is 2.54 meters long. It must carry a…

Q: Suppose you used an ideal pulley of the type shown in image (c) in the figure below to support a car…

A: Here indicates tension in rope, is engine weight, and is pulley weight.At static equilibrium,…

Q: A man exerts a force F on the handle of the stationary wheelbarrow at A. The weight of the…

Q: A 2-in-diameter steel tube with a wall thickness of 0.05 Inch just fits in a rigid hole. Find the…

Q: The material has a specific weight y = 76 lb/ft². (Figure 1) Figure 0.25 ft 0.5 ft ift 2 ft 1 ft 1…

A: Given data:Need to determine the moment of inertia of the wheel about an axis, which is…

Q: The figure shows the Russel fracture traction device and a mechanical model of the leg. The leg is…

Q: The rod has a diameter of 40 mm. It is subjected to the force system F₂ = 1300 N, F, = 600 N, F₂ =…

A: The rod diameter d =40 mm = 0.04mThe force systemFx= 1300NFy= 600NFz= 900NFindThe Normal stress act…

Q: Find the load on each bar of the cage given below. Its dimensions are base 2a and height 3a. EB…

Q: A steel rod having a length of 1 m. has a cross sectional area of 100 mm2. It is subjected to an…

Q: For the vertical flexural member shown, determine the maximum shear stress in MPa at section K, as…

Q: can tutor continue the next two questions also

Q: Flat Couette Flow An incompressible fluid of viscosity n is located between two plates infinite,…

A: It is asked to find the velocity profile of the flow also find the force acting on the fluid stream

Q: Given the Determinate Beam as shown below. Determine following: 50 N/m A 2 1 4. m w B 4 m hinged 4 m…

A: For beam AC,For beam CD,

Q: By direct integration, determine the moments of inertia of the triangular area about the x- and…

Q: Explain the different instruments used for the measurement of temperature, pressure, electricity,…

A: Given:Measurement of temperature, pressure, electricity, velocity of air and flow of airTo…

Q: ock weighing 2.50 kg begins its motion from a stationary position at point A, located at the highest…

A: Given data is Note: As per Expert Gudielines we are supposed to answer only the first three parts of…

Q: Required information Rod BD is made of steel (E = 29 x 106 psi) and is used to brace the axially…

A: According to the given dataE=29x106psiP=106 kipsFBD=0.014PΔlBD = 0.0009ACWe need to find Diameter…

Q: A steel compound cylinder is formed by shrinking a tube 400 mm outside diameter and 300 mm inside…

A: do =400 mm ro = 200mm di = 300 mm ri = 150 mm Do = 300 mmDi = 200…

Q: A 100-mm diameter jet of water is discharging from a nozzle into the air at a velocity of 36 m/s.…

Q: Q. A uniform hemisphere of mass m = 5 kg. and radius r = 0.5m. is released from rest on a horizontal…

A: Mass,m=5 kgRadius,r=0.5 mI0=(2/5)mr2To determine:b)Free body diagram, Kinematic and Kinetic diagram

Q: Find the center (xc, yc) of the given thin plate? Need only handwritten solution only (not typed…

Q: What is condensation and when does occurs? How does filmwise condensation differs from drop-wise…

A: Condensation is the process by which a vapor or gas changes into a liquid state.

Q: In a factory where there are three shifts: The machine overhead cost is found to be £8.20 / hr, the…

A: from the question, we have data of overhead machine cost, labour overhead cost and premises overhead…

Q: Write the significance of Navier-stokes equation? explain in detail.

A: This question is based on the concept of Navier Stokes significance.

Q: At a temperature of 42°F, a 0.11 in. gap exists between the ends of the two bars shown. Bar (1) is…

Q: A steel compound cylinder is formed by shrinking a tube 400 mm outside diameter and 300 mm inside…

A: do =400 mm ro = 200mm di = 300 mm ri = 150 mm Do = 300 mmDi = 200…

Q: Why evaporators generally operate under vacuum?

A: As per Bartleby policy only one answer can be posted here so i have answered first question. please…

Q: f W=3.000 inches, Y=1.750 inches, and Z=0.875 inch, find X. E TE X A A W 1 B + B -Z- - с

A: Given:The value of .The value of .The value of .Formula used:It is observed from the figure, the…

Q: Question No.13: a.) Develop an expression for work done and COP of a vapour compression…

Q: 6. Assume the distance from B to C is 1 meter. Use the attached graph paper and make sure to…

A: The forces in all members.FBD:The free-body diagram is shown below.

Q: The three cables are used to support the 800-N lamp. Determine the magnitude of the force in cable…

A: given:

Q: 4. Water (at 10°C) flows through this nozzle at a rate of Q = ¹+0.3) m³/s and discharges into the…

Q: aturated R-410A at a pressure of 95 psig will change at a temperature of A. 295 F B. 29 F C. 95 F D.…

A: The refrigerant is R-410A.The pressure is

Q: A compound steel (E = 30,000 ksi) bar is subjected to the loads shown. Bar (1) has a cross-sectional…

Q: The crank AB rotates in the vertical plane with a constant clockwise angular velocity @o. For the…

Q: 3.58 A piston-cylinder assembly contains water, initially saturated liquid at 150°C. The water is…

Q: A uniformly-distributed load wis supported by a structure consisting of rigid bar BDF and three…

A: Uniformly distributed load.Diameter of rods 1 and 2, Modulus of elasticity of rods 1 and 2, Diameter…

Q: A 30 kW cooler machine runs at a speed of 4000 RPM One of the bearings is suspected with severe…

A: A's per the guidelines, we are allowed to solve only the first 3 subparts of this question. You may…

Q: Water is flowing inside the pipe with volume flow rate of 39.6 m³/h. Where Z₁-5,73m and Z2-11,9m.…

Q: The figure below shows two proposed designs of drums to solve the same load and line speed lifting…

A: TWO DIFFERENT ARRANGEMENT OF LOAD HAVING SAME LOAD2.TO DECIDE THE BIGGEST ADVANTAGE WITH DESIGN A…

Q: THICK-WALLED PRESSURE VESSELS A steel compound cylinder is formed by shrinking a tube 400 mm outside…

Q: - Given the simple beam as shown below. Determine the following: 100 N/m 30 N/m A WITHA. B 2 m 7m…

Concept explainers

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.

Question

30lb of ice at 32°F is placed in 100lb of water at 100°F. The latent heat of ice may be taken as 144 BTU/lb, Cp of water=1BTU/lb°F, Cp of ice=0.5045 BTU/lb°F. a. 48°F b. 49°F c. 50°F d. 51°F

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Given data

VIEW

Step 2: Calculate temperature of water

VIEW

Step 3: Calculate the temperature when equilibrium reached

VIEW

Solution

VIEW

Step by step

Solved in 4 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Frost accumulates on the evaporators of forced-draft refrigerators because A. they are generally located within a house. B. they are generally located in high-humidity areas. C. they are low-temperature appliances. D. there is a heat exchange with the suction line.
Measured data for pressure versus volume during the compresion of a refrigerant within the cylinder of refrigeration compressor are given in the table below. Using data from the table, complete the following: (a) Determine a value of n such that the data are fit by an equation of the form, p V^n=constant. (b) Evaluate analytically the work done on the refrigerant, in BTU using Eq. 2.17 along with the result of part (a) (c) Using graphical or numerical integration of the data, evaluate the work done on the refrigerant, in BTU (d) Compare the different methods for estimating the work used in parts (b) and (c). Why are they estimates?
t=270°C s= 6.5 kJ/kg-K What is the state of the pure substance?
39 - A fixed volume insulated tank, which was initially empty, was connected by a valve to a distribution line carrying helium gas at a temperature of 125ºC. The valve is opened first and closed when the pressure is the same as the distribution line pressure. What is the final internal energy of helium in the tank? (Internal energy of the warehouse in the final state = Enthalpy of the distribution line). (Cp=5.1926) will be taken. a) 2066.7 kJ/kg B) 2014.7 kJ/kg NS) 701.0 kJ/kg D) 649.1 kJ/kg TO) 2118.6 kJ/kg
The sensible and latent heat gains to a room are 10 kW and 1 kW, respectively. The occupancy of the room is 12 people and the minimum fresh air allowance is 12 Li/s for each person. The outside summer design state is: 28ᵒC dry-bulb, 19.5 ᵒC wet bulb, 10.65 g/kg dry air. The room state is: 22 ᵒC dry-bulb, 50 percent saturation, 8.366 g/kg dry air, 43.39 kJ/kg dry air. Select a suitable air state, specify the states on and off the cooler coil and calculate the design cooling load. Analyse and check the cooling load. The temperature rise through the extract system is estimated as 0.5 ᵒC. A low velocity supply system is to be adopted and the temperature rise for supply fan power and duct heat gain is estimated 2ᵒ. Minimum fresh air requirement Plot the process on the psychrometric chart Determine the SHR. Contact Factor & Bypass Factor Total Cooling load.
The sensible and latent heat gains to a room are 10 kW and 1 kW, respectively. The occupancy of the room is 12 people and the minimum fresh air allowance is 12 Li/s for each person. The outside summer design state is: 28ᵒC dry-bulb, 19.5 ᵒC wet bulb, 10.65 g/kg dry air. The room state is: 22 ᵒC dry-bulb, 50 percent saturation, 8.366 g/kg dry air, 43.39 kJ/kg dry air. Select a suitable air state, specify the states on and off the cooler coil and calculate the design cooling load. Analyse and check the cooling load. The temperature rise through the extract system is estimated as 0.5 ᵒC. A low velocity supply system is to be adopted and the temperature rise for supply fan power and duct heat gain is estimated 2ᵒ. Solve for the following: 1. Minimum fresh air requirement2. Plot the process on the psychrometric chart3. Determine the SHR.4. Contact Factor & Bypass Factor5. Total Cooling load.
A=3500 B=400 C=50 Thermodynamics questions.
Wet saturated steam (x = 94.339%) at 16 bar (h,= 859 kJ/kg, hrg = 1935 kJ/kg) reducing valve is throttled at a pressure of 8 bar (h,= 721 kJ/kg. htg = 2048 kJ/kg). Determine the dryness fraction of the reduced pressure steam in %. FINAL ANSWER MUST BE IN 3 DECIMAL POINTS.
1000 cfm of air at 95°F dry bulb, 74°F wet bulb is mixed with 2000 cfm of air at 65°F dry bulb, 54°F wet bulb. Determine the dry bulb temperature of the mixed stream.A. 74.7 °FB. 85.7 °FC. 98.4 °FD. 107.5 °F
Determine the value of degree of superheat if steam has 100 Bar pressure and the corresponding saturation temperature is 311 ° C. Given: Temperature of superheated steam is 350 ° C. Select one: A. 311 ° C B. 39 ° C C. 350 ° C D. 49 ° C
A gas enters the furnace with the following conditions: P, = 27 psia; V1 = 11.7 cu. feet per pound; U1= 102.6 Btu per pound; V, = 162 feet per second. The substance leaves the system with the following conditions: P2 = 34 psia; V2 = 10.3 cu. feet per pound; U2= 149.0 Btu per pound; V2 = 605 feet per second. Change in elevation are negligible and 10 Btu per pound heat is added to the fluid as it passes through the system. Calculate the work done on or done by the system.
Thermodynamics question Determine the heat rejected