If the compressor and condenser fan motor will not operate but the indoor fan motor is operating, what would be the probable cause of the malfunction? a. Bad contactor coil b. Bad thermostat  c. Bad condenser fan motor d. Bad compressor

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: On most residential air conditioning units, the condensing fan motor is controlled by? a.…

A: In residential AC systems the fan motor is controlled by the indoor fan relay. The relay is…

Q: Quality means _______ when referring to a refrigerant.

A: Given Data : Quality  Refrigerant

Q: Evaporative condenser is used only air as condensing medium to condense the hot vapour refrigerant.…

A: This question is based on evaporative condenser in a refrigeration cycle.

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: principle of Inverter air conditioner and energy saving.

A: An inverter air conditioner consists of a compressor such that the speed of the compressor can be…

Q: ondensing ter со condenser as earance volum

A:

Q: Which part in the mechanical heat pump is used to increase the refrigerant pressure? Select one: a.…

A: Given Data : Mechanical heat pump

Q: Surface condensers increase turbine back pressure, is the statement true or false

A: Required :- To state whether the statement "Surface condensers increase turbine back pressure" is…

Q: Technician A says that suction lines become verywarm during A/C operation. Technician B says that…

A: Technician B is correct. discharge lines of pipe conducts hot, high-pressure refrigerant vapor from…

Q: Technician A says that suction lines become very warm during A/C operation. Technician B says that…

A: Suction line:The piping line which connects the outlet of the evaporator(refrigerated space)  to…

Q: It is feasible to reuse the heat from the condenser and use it for domestic heating. a) Yes b) No…

A: Yes it is possible to extract heat from the condenser and use it for domestic heating of water at…

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: What types of hydronic heating systems are in use?

A: Hydronic heating systems are the modern equipment set used for heating rooms, entire houses, or even…

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: 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: Which list states the correct order of components for the absorption refrigeration? A) Evaporator,…

A:

Q: Explain possible reasons of insufficient cooling performance of refrigeration unit.

A: Given:-            Possible reasons of insufficient cooling performance of refrigeration unit are:

Q: A device that opens when condenser pressure rises 19. to a proper level and closes to block the flow…

A:

Q: What are different types Evaporator and Compressor used in refrigeration system for cooling ?

A: General types of evaporator used in a refrigeration system are; Dry expansion evaporators Flooded…

Q: 12. A hot-gas bypass valve directs hot-gas refrigerant from the discharge line to the A. condenser…

A: Option A is correct. Condenser

Q: Surface condensers allow the two fluids to mix, is the statement true or false

A: The given statement is false.

Q: Which of the following is true regarding the refrigerantpiping on a rooftop package unit?A. The…

A: The rooftop package unit is a type of system in that all components that necessary for conditioned…

Q: Why are the air conditioning units usually placed above head level?

A: Since cold air is emitted from the A/C unit blowers, the unit has to be placed at the top of a room…

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: What is chilled liquid and condenser water?

A: Explain chilled liquid. Chilled liquids are those liquids that are used to cool and dehumidify the…

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

A:

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: Explain in detail the working of chilled water fan coil unit after it receive water from district…

A: Chilled Water Fan Coil Units:  This system of comfort cooling uses a centralized chiller to produce…

Q: Hermetic compressors are used mainly in smaller systems as they: * Yield higher COP Offer the…

A: Hermetic compressor have compressor and motor are in same shell.

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: At cooling capacity greater than 50 tons of refrigeration 1 2 Eco friendly 3 A single unit capacity…

A: The solution is attached below:

Q: is used as a cooling device in solar refrigeration system. Select one: a. Condenser b. Compressor c.…

A: In the solar refrigeration cycle, Condenser is used to transfer the heat from the compressed…

Q: How does Refrigeration  system work?

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

Q: |Qout| > |Wcycle| in (mark all that apply): a) Refrigeration cycle b) Power cycle c) Heat pump cycle

A: |Qout| > |Wcycle| in (mark all that apply): a) Refrigeration cycle b) Power cycle c) Heat pump…

Q: Mention five major problem that are associated with refrigeration system

A: Given Data : Refrigeration system

Q: Choose correct answer: Usually condenser pressure in refrigeration system is ____________ a. None…

A: A condenser is a component of the refrigeration system in which heat is extracted from the system…

Q: ate be used in a heating system?

A: NOT is a logic gate that negates the input and supplies that as output

Q: • Non-condensable gases and air finding their way into the surface condenser are removed by: a.…

A: First Question: Ejector is the device that is used to remove the non-condensable gases and air from…

Q: What type of control would be used to turn a compressor off in the event of a large refrigerant leak

A: Low pressure control system is a type of accessory used in many refrigeration system. This is a type…

Q: What advantage does a capillary tube have over a thermostatic expansion valve?

A: Capillary tube is a basic device used in the science lab for the measurement of the surface tension…

Q: Work is done on a system in (mark all): a) Refrigeration cycle b) Power cycle c) Heat pump cycle

A: Option a and c are correct.

Q: Which of the following is incorrect with respect to increase in condenser pressur

A: Given: Which of the following is incorrect withrespect to increase in condenser pressure?