Technician A says PVE refrigerant oil is com monly recommended for electric A/C compres sors. Technician B says PAG refrigerant oil can be used in many electric A / C compressors . Who is correct ?

Q: The centrifugal dynamic compressor design is as per standards O a API 618 Ob API 917 Oc API 619 Od.…

A: API 618 :- Design standard for reciprocating compressor. API 917 :- Design standard for phase…

Q: List four service precautions for working on thefuel injection system

A: In an internal-combustion engine, fuel injection is the introduction of gasoline into the cylinders…

Q: Unique characteristics of monoblock air conditioners in comparison to a split air conditioning…

A: Air conditioners are used to maintain the parameters of the air of some specific region. Various…

Q: (a) Explain the principle of refrigeration system and its components in not less than 200 words.

A: The refrigeration principle and components of system

Q: Explain the following about steam-mhd with open cycle plant: cool it down - Generation Efficiency -…

A: Magnetohydrodynamic (MHD) power generation is considered an interesting energy conversion system…

Q: Technician A says that excessively high pressure from an electric fuel pump can be caused by a…

A: Solution:

Q: MAKE A SIMPLE SKETCH OF CENTRALIZED AIR CONDITIONING SYSTEM, HOT AND COLD COMBO

A: Centralized  air conditioners  systems course cool air through an arrangement of supply and bring…

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 centrifugal dynamic compressor design is as per standards O a. API 618 O b. API 917 O. API 619 O…

A:

Q: What is the challenge and solution of natural gas compressor

A: Given Natural gas compressor To find Challenges and solution

Q: b. Explain cocling and humidification pree gs in air conditioning.

A: Humidification:- Air is mixed with moisture or we can say water vapor but without changing its DBT…

Q: Which of the. compressors is not true? A. Scroll compressors operate with suction and discharge,…

A: Given Data : Scroll compressors

Q: The auxiliary fuel pumps are: a. electrically driven b. engine-driven. c. either electrically or…

A: SOLUTION:  Fuel Pump: it is a device or a component of engine system that is used to draw a fuel…

Q: While discussing electric fuel pumps: Technician A says that some electric fuel pumps are combined…

A: "Technician A only"   Given information: While discussing electric fuel pumps: Technician A…

Q: b) How to Investigate the variation of air flow rate with compressor ratio (With Intercooler)?

A: Air compressors are the device which is used to increase the pressure of air by applying for dynamic…

Q: a) Demonstrate working of actual Vapour Absorption system (VAS), illustrate with schematic diagram.…

A:

Q: safety measure

A: Hello you are asking about cardioxide refrigerant but currently there is no such a refrigerant in…

Q: An Hcylinder has the following markings on it DOT 3AA 5000 menyfactare 10% more when Infull service…

A: Given : 25 LPM To find: How long it will last

Q: Given: Qref Tu = Te Refrigerant Requited: = I TOR 30°C - 200с 1 а " R 1349 сор

A:

Q: Describe the procedure for using air bleedvalves to purge air out of a cooling system.

A: Hot spots in the cooling system are usually caused by replacing a system component, refilling the…

Q: Which process would best represent the opposite ofexhausting air from a system?A. CoolingB.…

A: Given Data : Exhausting air

Q: 1. Explain the difference between stoker, CFB, and PC from the three types of steam generators,…

A: CFB (Circulating Fluidised Bed) Boiler The circulating fluidized bed (CFB) is a developing…

Q: What should you do if you suspect that an alternative refrigerant had been used in the A/C system…

A: Due to the use of alternative refrigerant, the A/C system suffered a failure. To restore its…

Q: The COP of a Carnot heat pump

A: Given; The COP of carnot HP operating  b/w   ⇒ 60C and 370C

Q: From the given schematic and PH-diagram below explain each in details the: a) The concept and…

A: Refrigerent plant is working under at a  low evaporating temperature and high condenser temperature…

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

A:

Q: Comment on this diagram. Condenser Valve Compressor Evaporator

A:

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: Tin Boiler 3 "pump,in" W. tur Pump Turbine Condenser

A: Given: study the given vapour cycle and answer the following questions:

Q: Discuss on why a need of improvement of a single stage compressor system is there and what are the…

A:

Q: a two-stage rec ressor, the suction p ne delivery pressur

A: given:suction pressure p1=1.5bardelivery pressure p3=54bar

Q: The natural ventilation can be driven by:

A: Explanation The natural ventilation can be driven by pressure difference of air between indoor and…

Q: Draw T-S diagram Expander Turbine Fan Ram Cooling Air Chillod Air Water Separator Damper Hent…

A: Given system

Q: 8. Explain the Trouble shooting and maintenance for compressors

A: The compressors are mechanical components that are used for the pressure increment of fluids. This…

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: The a wet b ratio, volum

A: Giventhe air in room has a pressure of 101.3kpaDBT=24°CWBT=17°C

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: 4. A 4 m' storage tam pressure is 20 bar. A steam in the tank? Hov

A: The specific volume of the steam at the given pressure and temperature is v˙=0.1115 m3/kg Initial…

Q: why made Hybrid systems in seawater desalination?

A: Given Data⇒ Hybrid systems in seawater desalination

Q: b) Explain with suitable sketches the function of i) Components in the vapour compression cycle ii)…

A:

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: Explain in brief which refrigerant/s would you choose for each of the following appl vhy? (i) A cold…

A:

Q: 3- To compare the relative ozone definition of various refrigerants uv index called ...

A: given = compare between ozone definition of various refrigerant uv index is called

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?

Q: What is definition of natural gas compressor?

A: Natural Gas Compressor: Generally compressor used for increasing the pressure and temperature of the…

Q: argue briefiy thất thế heat capacity at constant pressure is capacity at constant volume for a gas…

A: Thermodynamics: It is a branch of science which deals with work , heat , energy.  Also it studies…