26 In an ideal vapor compression refrigeration cycle, the enthalpy will be sameSelect one:O a. During compression onlyO b. During heat lost to the surroundingsO C. Before and after expansionO d. During heat removed from the evaporator

Answered: In an ideal vapor compression…

Engineering

Mechanical Engineering

In an ideal vapor compression refrigeration cycle, the enthalpy will be same

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

Chapter36: Refrigeration Applied To Air-conditioning

Section: Chapter Questions

Problem 8RQ: The most popular refrigerant used in the past for residential air-conditioning is R- ________.

See similar textbooks

Related questions

Q: 25. ..s) Two circles, each of radius r, have their centers located at (0,2) and (0,3). Each is used…

A: As per honor code and answering guidelines I can answer 1st question at a time.If you want other…

Q: 21 The Law of Conservation of Energy says that A) Kinetic energy must be transmitted to the point of…

A: This question is based on the concept of Thermodynamics.

Q: 23. Repeat Problem 1 if the column has an initial crook- edness of 0.08 in. Determine the allowable…

A: The length of column, l = 32 in The diameter of the column, d = 0.75 in The elastic modulus for 1040…

Q: 27 The inertia of a load A) is a form of resistance B) is a form of energy C) Can be both energy and…

A: 27) The inertia of a load____ 28) When a gas volume is expanded, gas pressure ____ and ____…

Q: -139/A 3-m-high, 6-m-wide rectangular gate is hinged at he top edge at A and is restrained by a…

Q: Determine the x-coordinate of the mass center of the homogeneous hemisphere with the smaller…

Q: 3/X15 In the design of a conveyor-belt system, small metal blocks are discharged with a velocity of…

A: Given: Initial speed of the block→V1=0.40 m/s Final speed of the block→V2=0.14 m/s Coefficient of…

Q: Determine the x-coordinate of the mass center of the homogeneous hemisphere with the smaller hemi-…

Q: A perfect gas has a value of R = 319.2 J/kg-K and k = 1.26. If 120 kJ are added to 2.27 kg of this…

Q: Wall thickness of a pipe is identified by A) Normal rating B) Schedule number C) Dash number D)…

A: This question is based on the concept of wall thickness of pipe and pneumatic directional valve.

Q: te the force in each member of mber is in tension or compression.

Q: Figure 1 Q. 2 The angular acceleration of an rotating body is define by the relation a = - k0.…

A: Given relation a=-Kθ

Q: In the design of a conveyor-belt system, small metal blocks are discharged with a velocity of 0.4…

Q: 3-50/Consider the system shown in Fig. P3-50. If a change of 0.7 kPa in the pressure of air causes…

A: Given Specific gravity of mercury SGhg=13.56 and Specific gravity of brine SGbr=1.1 Write the static…

Q: 5-59 The water level in a tank is 20 m above the ground. A hose is connected to the bottom of the…

Q: 9. An R-L series circuit contains a resistor and an inductor. The resistor has a value of 6.5 2. The…

A: Question - 10: The voltage drop across the resistor in an R-L series circuit can be found using…

Q: 3-61E A long, solid cylinder of radius 2 ft hinged at point A is used as an automatic gate, as shown…

Q: 17-35. The dresser has a weight of 80 lb and is pushed along the floor. If the coefficient of static…

Q: Determine the x-coordinate of the mass center of the homogeneous hemisphere with the smaller hemi-…

Q: Calculate the supporting force R, and moment MA at A for the loaded cantilever beam. Ans. RA= 2.4…

A: Given

Q: calculate efficiency Determine the value of water X by

A: Given: The turbine inlet pressure and temperatures are 150 bar and 550 C. The pressure at the…

Q: 3-49 The pressure difference between an oil pipe and water pipe is measured by a double-fluid…

A: Density of water =1000 kg/m3 Density of mercury = 13500 kg/m3 Density of Glycerine = 1260 kg/m3…

Q: 425203/525203 Amatsu (ENGINEERING DYNAL Ch5: Plane Kinematics of Rigid B ลำดับที่ ที่นั่ง Zone an 3…

A: To find: The maximum and minimum velocity of the pedal A. Given: The speed of the bicycle is vo=16…

Q: 5-95 Air flows through a pipe at a rate of 200 L/s. The pipe consists of two sections of diameters…

A: Given data: Flow rate of air = Q = 200 L/s = 0.2 m3/s Diameter of section 1 = 20 cm = 0.2 m Diameter…

Q: 5-4 Composite A-36 steel bar shown made from two segments AB and BD. Area AAB = 600 mm2 and ABD =…

Q: 3-66 A 4-m-high, 5-m-wide rectangular plate blocks the end of a 4-m-deep freshwater channel, as…

Q: 5-4 Composite A-36 steel bar shown made from two segments AB and BD. Area AAB = 600 mm2 and ABD =…

Q: 5/71 Using the methods of this article, determine the sur- face area A and volume V of the body…

A: Given data: t=12 mmr=35 mmh=8 mm Need to determine the surface area and volume of the body.

Q: Sample Problem 3/15 - 30 000 A satellite of mass m is put into an elliptical orbit around the earth.…

A: Introduction In this problem, we will calculate the velocity of the satellite as it reaches point B…

Q: Find the reaction at A due to the uniform loading and the applied couple. Ans. RA= 6 kN, MA = 3 kN-m…

Q: Intermediate level 16 During a prony brake test on a motor (see Fig. 4), the following scale and…

A: Using P =2πNT/60

Q: Locate the centroid (x, y) of each of the following composite area or length. 1. 3 in 3. diameter of…

Q: neumatic system operated pressure be required to move a load requiring a force of 12 kN ? hat…

Q: کروا * 2.35 M

Question

In an ideal vapor compression refrigeration cycle, the enthalpy will be same
Select one:
O a. During compression only
O b. During heat lost to the surroundings
O C. Before and after expansion
O d. During heat removed from the evaporator

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

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

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

Four methods for controlling head pressure in an air-cooled condenser are ______, ______, _______, and
A typical temperature relationship between a high-efficiency condenser and the ambient temperature is A. 10F. B. 20F. C. 30F. D. 40F.
The most popular refrigerant used in the past for residential air-conditioning is R- ________.
What effect does a slight amount of liquid refrigerant have on a compressor over a long period of time?
In an ideal vapour compression refrigeration cycle the specific enthalpy of refrigerant (in kJ/kg) at the following states is given as Inlet of condenser 283. Exit of condenser 116 Exit of evaporator 232 What is the COP of the cycle?
A vapor compression refrigerating cycle uses refrigerant 22 has the following data. Temperature at evaporator is at -1°c and the pressure at the condenser is at 1535.5 KPa find: A. Refrigerating effect in kj/kg. B. Work of the compressor in kj/kg. C. COP, D. Heat rejected in kj/kg For a 1 ton refrigerating capacity determine E. Mass flow rate. F. Volume flow rate. g. Actual work of the compressor in kW H. Actual heat rejected in kW
Be sure ,Do not guess.
What should be the percent increase of COPof a standard vapor compression refrigerationsystem when expansion of R-12 is isentropicinstead of isenthalpic process? Evaporator andcondenser temperature limits are -10°C and30°C respectively.
37
1- Consider two vapor compression refrigeration cycles .The refrigerant enters the hrottling valve as a saturated liquid at.30°C in one cycle and as subcooled liquid at 30°C n the öther one. Tlhe evaporátor pressure for both cycles is the same .Which cycle do you jink will have a higher COP ?
A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The evaporating temperaturc is -10°C and the condensing temperature is 42°C, determine the volume flow rate of refrigerant at inlet to the compressor. A. 35 L/s C. 25 L/s D. 55 L/s B. 45 L/s
b. A refrigerating system using Freon-12 has an evaporator saturation temperature of - 25°C and a condenser saturation temperature of 35°C. The vapor is dry saturated at entry to the compressor and has a temperature of 65°C after compression to the condenser pressure. There is no undercooling of the liquid in the condenser. i. Calculate the input power required by the compressor per kW of refrigeration. ii. Calculate the COPRef of the refrigerating system. ii. Show the operating cycle of the refrigerating system on a T-s diagram.