Y O b 19:0YZUZUZDashboard / My courses/ MECH 413L-50-20202 / Topic 10/ Final ExamQuestion 4Not yet answeredMarked out of 2.00P Flag questionThe compressor stops when theoutdoor fan motor isSelect one:a. Faultyb. Not faultyc. Biological reactiond. None of the abovePrevious pageNext pageII>

Answered: The compressor stops when the outdoor…

Engineering

Mechanical Engineering

The compressor stops when the outdoor fan motor is

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

Chapter50: Commercial, Packaged Rooftop, Variable Refrigerant Flow, And Variable Air Volume Systems

Section: Chapter Questions

Problem 15RQ: Explain why the outside air damper is typically never completely closed, even when the outside air...

See similar textbooks

Related questions

Q: eat expulsion occurs in what section of a heat pump system when operating in the heat mode? A.…

A: Heat expulsion means removal of heat from the system,

Q: The bank of tubes at the back of domestic refrigerator is; * O evaporator tubes capillary tubes…

A: Refrigerator has 1. Compressor 2. Evaporator 3. Condenser 4. Expansion valves

Q: What are the types of Axial Fan?

A: In Axial fan the air flows parallelly to the motor driven shaft of the axial/propeller fan. They can…

Q: The specific steam

A: Given; Enthalpy at entry and exit is; h1=3159 kJ/kg h2=2187 kJ/kg Specific pump work=2…

Q: Condenser High pressure Expansion valve compressor Flsh chamber Low pressure compressor Expansion…

Q: Q 4. With the automobile compressor operating and little or no refrigeration needed, the low side…

Q: what should you know before choosing a respirator

A: Workers should use respirators for cover from contaminants within the air on condition that…

Q: The refrigerant leaving the .7 compressor follows

A: This question is based on the concept of refrigeration process and refrigeration cycle.

Q: refrigerant stream

A: Solution given below

Q: The compressor motor and condenser fan motor wired series or parallel?

A: The Compressor is a device used to increase the pressure of liquid or gas. Condenser is a heat…

Q: Discuss unit of refrigeration?

A: The standard unit of refrigeration in vogue is ton refrigeration or simply ton. It is denoted by TR.

Q: A pump is being supplied with water from an open tank. The water level of the sOurce

Q: 1. What other substance circulates in the refrigeration system with the refrigerant? 2. What would…

A: 1. Oil circulates in the refrigeration system with the refrigerant.

Q: 17. One ton of refrigeration effect is equal to how many Btu/hr.?

A: 1 Ton of refrigeration is the heat removal unit.

Q: ate in the following refrigeration cycle is:

Q: How can an evaporator be tested for efficiency?

A: Generally the efficiency of an evaporator is completely depends upon the ability of the evaporator…

Q: COP of the refrigerator

A: Given; Heat removal rate from a refrigerated space power input to the compressor areQ2=7.2 kwW=1.8…

Q: Most reciprocating compressor have crankcase heaters?

A: The compressor is a mechanical device used to compress the fluid from low pressure to high pressure.…

Q: (iii) The power required to drive the compressor. (iv) The rate of heat rejection to the condenser.

A: Soluion :- Given data :- Cooling capacity = 5 tonnes =5×3.8889 kjsec =…

Q: General types of Expansion device and Condenser used in a refrigeration system ?

A: General types of expansion devices used in refrigerator system:- 1.Thermal expansion valves.…

Q: how can a hermetic compressor be tested for efficiency

A: Hermetic compressor: In this type of compressor, the compressor and motor are in same unit. It has…

Q: Where is the only permanent suction line on a heat pump?

A: The heat pump is a device used to taken heat from the outside environment and take it to our home.…

Q: When a chiller is used, the secondary refrigerant that circulates in the building is _____.

A: Given Data : Chiller secondary refrigerant

Q: Describe why variable-speed compressor motors are more efficient than single-speed motors in heat…

A: Variable-speed compressor motors are more efficient than single-speed motors in heat pump systems…

Q: Which part in the mechanical heat pump is used to reduce the refrigerant press Select one:

A: Given Data⇒ Mechanical heat pump

Q: In a heat pump, 15% of the heat is from the heat generated running thecompressor. The rest is from…

A: Let L and P are two numbers.Let P is of the whole number L then the percentage will be %=PL×100

Q: Refrigerant works by absorbing ____ from the environment where cooling is required

A: As the refrigerant absorbs heat from indoor air, it transitions from a low-pressure gas to a…

Q: air-conditioner is aree such coolir naratus ciew poir

Q: Define the waste heat from a compressor can be used to heat a building in winter.

A: Compressor heat is very critical in the hot days of summer. If the heat arising due to…

Q: Why do some condensers have to be cleaned with brushesand others with chemicals?

A: It is implied in the problem description that some condensers require brush cleaning and others…

Q: Describe the ideal process for an adiabatic compressor.

A: The ideal process for an adiabatic compressor is a reversible process. Adiabatic is a condition in…

Q: Which of the following heating system is known as umbrella system? (it works against natural…

A: Given Umbrella system heating system To find Supporting statement

Q: Sketch of air conditioner

Q: How does Refrigeration system work?

A: A refrigeration system is defined as the process of cooling a substance to maintain the temperature…

Q: What are the components of the Refrigeration system?

A: Refrigeration system is used to extract the heat from low temperature source and rejects the heat to…

Q: (4) all öf th The refrigerant supplied to a compressor must be (a) superheated vapour refrigerant…

Q: What is a condenser water?

A: Condenser water : The condenser is the second important part of the vapor compression refrigeration…

Q: A refrigeration compressor, designed to operate

A: Refrigeration compressor, designed tto operate with R22 with R12 The condesnsing pressure of R 22…

Q: Decsribe why variable-speed compressor motors are more efficient then single-speed motors im heat…

A: Variable speed compressor are operating on variables speed while single speed motor are operating at…

Q: electrical power consumed by the hot

A: Given: Tr=297 K Tp=403 K D=250 mm= 0.25 m To determine: Power consumed

Q: ) Rate of heat rejection from the turbine

Q: 2. Multiple expansion valves Condenser -3 P 2

A: ME-VCS (multi-evaporator vapour compression systems) are used to cool numerous zones. The…

Q: When a refrigeration system that produces low or no cooling has high suction pressure and high head…

A: Many people experience the where the compressor has both a high head pressure and a high suction…

Q: (COP) of the heat pump is

A: Given data; Temperatures T1>T3>T2Heat pump receives the entire work output (W) of the heat…

Q: The pressure of refrigerant at the inlet compressor is called; * suction pressure discharge pressure…

Q: is the condenser that is used in power plants

A: Surface condenser is the condenser that is used in power plant.

Question

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

The TXV responds to an increased heat load by A. decreasing refrigerant flow. B. keeping refrigerant flow constant. C. increasing refrigerant flow. D. not reacting to changing heat loads.
A meeting hall is maintained at 25°C, 18Cwb. The space has a cooling load of 40 kw of which 32 kw is sensible cooling load. The temperature of the supply air to the space must not be lower than 18°C. Determine A. Sensible heat ratio B. Amount of air supply to the space (kg/s) C. Conditions of supply air D. Capacity of supply fan (CFM)
. A meeting hall is to be maintained at 25°C, 18Cwb. The space has a cooling load of 40kW of which 32kW is sensible cooling load. The temperature of the supply air to the space must not be lowered than 18°C. Outdoor conditions are 35°C, 50% RH. Assume that 75% by weight of the supply air from the room is recirculate but a portion of these bypassed the cooling equipment. Determine a) amount of air supplied to the space b) TOR required of the cooling equipment c) average cooling coil surface temperature.
NOTE: Only answer the highlighted parts, because a-c has already been answered, only answer letters G H and I. ThanksAn Ammonia refrigerant vapor compression system is utilized as an air-cooled water chiller. It is operating at a condenser temperature of 40oC and an evaporator temperature of 0oC. The system develops 15 Tons of Refrigeration. Determine:g. LMTD and AMTD in the condenserh. The water flow rate of the chiller if it enters the evaporator at 10oC and leaves at 5oC.i. LMTD and AMTD in the evaporator
J - Type Thermocouple is the combination of _____________ and ________________ materials. a. Iron and Constantan b. Aluminum and Constantan c. Aluminum and Iron d. Iron and Aluminum
A refrigeration system uses R-12 and it operates between evaporator and condenser temperature of -20°C and 40°C respectively. The system is to be used in producing 4000 kg of ice at -15°C from water at 30°C in 20 hrs., and the system uses two-stage compression with intercooler (flash tank). Draw schematic and ph diagram and compute: a) Refrigerating Effect b) mass flow rate of refrigerant entering LSC c) mass flow rate of refrigerant entering HSC d) Low stage compressor work e) High stage compressor work ) cOP 8) heat rejected in the condenser h) mass flow rate of cooling water in the condenser for a temperature difference of 30°F.
Pls. Answer thank you! The evaporative condenser of an ammonia refrigeration plant has a water flow rate of 100 kg/s and enters a natural draft cooling tower at 43 °C. The water is cooled to 30 °C by air entering at 27 oC db 24 °C wet bulb. The air leaves the tower as 90% RH and 32 °C db. Calculate the percent of make-up water needed the tower. At 27 °C db and 24 °C wb: h = 72.5 KJ/kg, w = 0.0178 At 90% RH and 32 °C db: h = 102 KJ/kg, w = 0.0275
A manufacturing company is intending to use its water cooled condenser for itsproposed cold storage room. The name plate of the condenser gives the followingspecifications:refrigerant ammoniacondenser water inlet 30 OCcondenser water outlet 40 OCcondensing temperature 35 OCrefrigerant flow 3.84 kg/mincirculating water flow 120 kg/minIf the company decided to purchase a new compressor and evaporator, find the tonnageof the system and the temperature in the evaporator, (b) what is the COP? (c) find thetheoretical hp required.
what is the types of industrial compressors, write summary and work mehod of each type?
Under the established parameters of the "refrigeration & cryogenic plant for oxygen poduction", elaborate the design outdoor condtion and design indoor condition? What do you think is the refrigerant type which best for cryogenic plant
13.1 Estimate how much collector area and storage capacity would be required for an activesolar hot-water system designed to supply the total needs for two four-person families,one living in Manchester, New Hampshire, where the latitude is 44+ ° N, and the other inAlbuquerque, New Mexico, at 35+ ° N. The heat capacity of water is about 4,200 J/kg ° C,and the hot-water supply temperature in both houses is 75 ° C (140 ° F). State and justifyall additional assumptions made
An ammonia simple saturation cycle operates at 35 psia suction pressure and 172 psia condenser pressure. For a load of 1600 Btu per minute, determine: a) The refrigerating effect b) The COP c) The gallons per minute ( GPM ) of cooling water in the condenser if water temperature is increased by 10 F. d) The actual work e) The actual piston displacement with 5% clearance. PLEASE SOLVE FOR D AND E