Q2/ A refrigeration system operates according to reversed Carnot cycle, low temperature is 40 °C and the work done is 1.2 kW/TR. Find; the coefficient of performance as refrigerator and heat pump, absorbed heat and rejected heat.

Q2/ A refrigeration system operates according to reversed Carnot cycle, low temperature is 40 °C and the work done is 1.2 kW/TR. Find; the coefficient of performance as refrigerator and heat pump, absorbed heat and rejected heat.

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

Chapter35: Comfort And Psychrometrics

Section: Chapter Questions

Problem 12RQ: A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature...

See similar textbooks

Related questions

Q: Identify the term being asked and write your answer on the sheet provided. 1. A part of the Lathe on…

A: A lathe machine is a machine tool that removes metal from a workpiece to give it the shape and size…

Q: A counter flow heat exchanger operates in a stable state, ignoring kinetic and potential effects.…

A: The heat exchanger is a mechanical device that is used to exchange heat. there are many types of…

Q: rigid steel plate is supported by three posts of high-strength concrete each having an ffective…

Q: A 500-kg spacecraft first is placed into a circular orbit about the earth at an altitude of 4500 km…

Q: Q4. If you have a rod with an initial cross-sectional area of 10 mm, final cross- sectional area is…

A: Given Force, F = 500 N Yield stress = 300 MPa Find Drawing stress

Q: important to conduct a Job Hazard Analysis when there are changes in procedures and/or processes?

A: The major objective to conduct a job Hazard analysis is to identify the list of injuries or illness…

Q: Jhat types of Forming processes?

A: The different types of forming process are:- Rolling Wire drawing Tube drawing Extrusion Forging…

Q: 1. If 200 ft³ of oil weighs 45,800 N, Calculate the following. kN a. Specific Weight in: m3 Ibm b.…

Q: Calculate the thickness and number of leaves of a semi-eliiptic carriage spring which is required to…

A: Given:- In a semi elliptical spring central load support is consider to be 2P, total span of the…

Q: 4. For the instant shown in Figure 4, car A is rounding the circular curve at a constant speed of 50…

Q: A heat pump maintains a dwelling at 68°F. When operating steadily, the power input to the heat pump…

Q: Determine the forces in membara CD and DF of the trues ahown in figure. 28 kN 18 kN D 4 m 4 m 4 m G…

Q: The figure belows shows an object whose mass is 25 lb attached to a rope wound around a pulley. The…

A: Given, Mass hanged to rope = m = 25 lb Radius of pulley = R = 3 in = 0.25 ft Velocity of mass = v =…

Q: Q.1 Design a compression coupling for a ransmit 2000 N-m. The allowable shear stress haft and key is…

Q: re. Q4. If you have a rod with an initial cross-sectional area of 10 mm, final cross- sectional area…

Q: Two race cars are driven at the same constant speed. If velocity of car B relative to car A is 132…

Q: reactions at the fixed 100 kN 20 kNm 50 kN/m 10 kN/m | 1.5 m | 1.5 m 3 m

Q: uestion 1: ne load is supported by the four 304 sta B and DC. Determine the angle of tilt o he…

Q: The tubular rotor shaft of a wind turbine shown in Figure 3(a) is of 50 mm and 40 mm outer and inner…

Q: concurrent force system consists 4 forces, the components (Fx, Fy) of each force are given; F1 (90N,…

Q: 13-A closed tank contains compressed air and oil (SGoil = 0.85) as is shown in side Figure. A U-tube…

Q: What could be found equal in both the true and an engineering stress strain curves? Select one: A)…

A: We have to discuss that what could be found equal in both the true and an engineering stress strain…

Q: For the structural beam loaded and supported as shown in Figure 2, (a) Draw a free body diagram and…

A: This question is related to the topic of mechanics of the solid. now reactions are the support used…

Q: If the Control Volume is initially a vacuum, the initial mass and energy of the system is zero…

Q: isbach equation both relate the pressure drop with the dynamic pressure of the flowing fluid in a…

Q: The motor shown in the photo is used to turn a wheel and attached blower contained within the…

Q: 2. For the structural beam loaded and supported as shown in Figure 2, (a) Draw a free body diagram…

Q: Determine the forces in members CD and DF of the truss shown in figure.

Q: A PVC wire has an initial length of 6 cm was subjected to tension force. Calculate the Elongation%…

A: Ratio of change in length to original length is known as strain. Strain don't have units

Q: Using Bernoulli's principle, determine the pressure change between the upstream and downstream end…

Q: Q2 Calculate the density of the air in a room whose Dimensions are (4 m, 5 m, 6 m) and have mass 140…

Q: Draw the orthographic views of the following isometric figure. (Units in mm)

A: According to the details provided in the question, we need to draw three views.

Q: Problem 2: The drum shown weighs 80lb and has a mass moment of inertia about O of 0.8 lb.ft?.…

Q: The spring-mounted 0.89-kg collar A oscillates along the horizontal rod, which is rotating at the…

Q: Find the x- and y-coordinates of the center of mass for the irregularly shaped plate shown in the…

A: we first segment the figure into 3 parts

Q: 33. Consider the region bounded by the curve x = e' - 2, y= 2, and the y-axis, as shown. What is the…

Q: search, read and analyze how to use vernier caliper, get its step by step procedure and how to care…

A: Soln:- A vernier caliper is an instrument that measures internal or external dimension and distance…

Q: Calculate the thickness and number of leaves of a semi-eltiptic carriage spring which is required to…

A: If the maximum stress is limited to 225 MN/m2, we must determine the thickness and number of leaves…

Q: The tubular rotor shaft of a wind turbine shown in Figure 3(a) is of 50 mm and 40 mm outer and inner…

A: Given: Outer diameter of the tube→Do=50 mm=0.05 m Inner diameter of the tube→Di=40 mm=0.04 m Torque…

Q: please solve this quick

A: GivenF=500Na=26cmb=32cm

Q: Select the reaction forces in a pin or hinge support. Horizontal Reaction Moment Reaction O Vertical…

Q: Question 1 The clearance of a diesel cycle is 1.0%. If the initial temperature is 27OC, determine…

Q: a) If the beam is subjected to a simple compressive load of 25 kN in Y direction along its I- cross…

Q: A block weighing 800 N is acted upon by a force P as shown. Knowing that the coefficient of friction…

Q: QI/ Determine the exit velocity of Air enters a diffuser at (80 kPa, 27°C) and (440 m/s) with a flow…

A: Find the exit velocity of air .

Q: Based in the table 1. (need to answer question 4,5,6) 1) Develop a best-fit equation for the…

A: As per the given Data A best-fit equation for the relationship between stress and strain is…

Q: 18. How fast is the area A of a rectangle changing when the length L is increasing at 2 cm/s and the…

A: GivendLdt=2cm/sdwdt=-3cm/sL=100cmw=50cm

Q: B) A heat pump that operates on the ideal vapor compression cycle with refrigerant-134a is used to…

A: given : heat pump -

Q: (a) Consider the concept of magnetic circuit to explain the effect of air gap on the flow a flux.…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Calculate the normal stresses (in Pa) at point A of the bracket caused by the 11633 N force. - 540…

A: P= 11633 N Width of the cross section, b= 60 mm Height of the cross section, h= 180 mm

Question

Note: Use the relevant chart for each problem.in addition to having the solution on a piece of paper
Q2/ A refrigeration system operates according to reversed Carnot cycle, low
temperature is -40 °C and the work done is 1.2 kW/TR. Find; the coefficient of
performance as refrigerator and heat pump, absorbed heat and rejected heat.

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 Calculation

VIEW

Step by step

Solved in 2 steps with 2 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

A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature out of the furnace is 130F. Disregarding the heat the fan motor may add to the airstream, how much air is the furnace handling?
A refrigeration system operates on the reversed carnot cycle. The minimum and maximum temperature are -25 and 72 oC, respectively. If the heat rejected at the condenser is 6000kJ/min, find the power input required, in kW, and the tons of refrigeration required.
The higher temperature of a refrigerating system operating at a Reverse Carnot Cycle is 240 °F and the lower temperature is 20 °F. The capacity is 40 tons. Neglect the losses. Find the network in BTU/min.
The refrigeration system of a food production firm is run using the Reversed Carnot Cycle. The temperature of the hot refrigerant supply in the system should be 52°C, while the temperature of the sink should be -14°C. Its capacity is projected to be at least 24 tons. It's important not to disregard losses. Find and Show unit analysis and conversion: a. COP and COP of Heat Pump b. Heat rejected from the system in kW c. Network in, Hp and Energy Efficiency Ratio
A refrigerating system operates on reversed carnot cycle. The minimum and maximumtemperatures are minus 25°C and plus 72°C, respectively. If the heat rejected at the condenseris 6,000 kJ/min, draw the TS diagram and find,a) Power input required andb) Tons of refrigeration developed
a refrigeration system operates in a reversed carnot cycle with refrigeration higher temperature of 50 c, cop of 5 and capacity og 50 tons. determine the change of en tropy in kj/min
A cold storage plant of 30 tonnes of refrigeration capacity runs with its performance just th of its 25% of Carnot COP. Inside temperature is -10°C and atmospheric temperature is 25ºC. Calculate the power required to run the plant. [Note: 1 ton of refrigeration = 3.52 kW]
The first of the two heat pumps operating on the reverse Carnot cycle 0between 0C and 22oC, and the second between -18oC and 22oCis working. Find the percentage increase between the compressor powers since both are heating at the same value.
In a 14 TR ammonia refrigeration plant, the condensing temperature is 250C and evaporating temperature -100C. The refrigerant ammonia is sub-cooled by 5 0C before passing through the throttle valve. The vapor leaving the evaporator is 0.97 dry. Find: 1. Coefficient of performance: and 2. Power required. Use refrigerant table for properties of ammonia at 250C and -100C.
Solve ASAP, A cycle heat engine does 50 kJ of work per cycle If the efficiency of the heat engine is 75%. Calculate the heat rejected per cycle.
A refrigeration unit absorbs 1 kW of heat from the cold reservoir and rejects 1.3kW of heat to the warm reservoir. What is the unit's coefficient of performance?
A refrigerator in a meat warehouse must keep a low temperature of -20°C and the outside temperature is 25°C. Ammonia is used as the refrigerant which must remove 10 kW from the cold space. Compute for the flow rate of the ammonia needed assuming a standard vapor compression refrigeration cycle with a condenser at 25°C. Find the enthalpy of the stream exiting the evaporator, condenser, and throttling (expansion) valve.