Refrigeration and Air Conditioning Questions and Answers

Refrigeration and Air Conditioning Interview Questions and Answers

Our 1000+ Refrigeration and Air Conditioning questions and answers focuses on all areas of Refrigeration and Air Conditioning subject covering 100+ topics in Refrigeration and Air Conditioning. These topics are chosen from a collection of most authoritative and best reference books on Refrigeration and Air Conditioning. One should spend 1 hour daily for 2-3 months to learn and assimilate Refrigeration and Air Conditioning comprehensively. This way of systematic learning will prepare anyone easily towards Refrigeration and Air Conditioning interviews, online tests, examinations and certifications.

Highlights

– 1000+ Multiple Choice Questions & Answers in Refrigeration and Air Conditioning with explanations
– Every MCQ set focuses on a specific topic in Refrigeration and Air Conditioning Subject

Who should Practice these Refrigeration and Air Conditioning Questions?
– Anyone wishing to sharpen their knowledge of Refrigeration and Air Conditioning Subject
– Anyone preparing for aptitude test in Refrigeration and Air Conditioning
– Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews)
– Anyone preparing for entrance examinations and other competitive examinations
– All – Experienced, Freshers and Students

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Here’s list of Questions & Answers on Refrigeration and Air Conditioning Subject covering 100+ topics:

1. Questions & Answers on Vapour Refrigeration Cycles

The section contains questions and answers on refrigeration units and performance, open air refrigeration system, heat pump, air refrigerator working on reverse carnot and bell coleman cycle.

Units of Refrigeration – 1
Units of Refrigeration – 2
Co-Efficient of Performance of Refrigeration – 1
Co-Efficient of Performance of Refrigeration – 2
Open Air Refrigeration System – 1
Open Air Refrigeration System – 2
Heat Pump
Air Refrigerator Working on Reverse Carnot Cycle – 1
Air Refrigerator Working on Reverse Carnot Cycle – 2
Air Refrigerator Working on Bell-Coleman Cycle

2. Questions on Vapour Refrigeration Systems

The section contains questions on simple air cooling system, boot strap and regenerative air cooling system.

Simple Air Cooling System
Boot – Strap Air Cooling System
Regenerative Air Cooling System

3. Questions & Answers on Simple Vapour Compression Refrigeration Systems

The section contains questions and answers on simple vcr system mechanism, theoretical vcr with dry saturated vapour and superheated vapour after compression, actual vcr cycle, vcr system various parameters effect and pressure – enthalpy chart.

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Mechanism of Simple VCR System
Theoretical VCR with Dry Saturated Vapour After Compression – 1
Theoretical VCR with Dry Saturated Vapour After Compression – 2
Theoretical VCR With Wet Vapour After Compression
Theoretical VCR With Superheated Vapour Before and After Compression
Theoretical VCR With Under Cooling or Sub-Cooling
Actual VCR Cycle
Effect of Various Parameters on VCR System – 1
Effect of Various Parameters on VCR System – 2
Pressure – Enthalpy Chart

4. Questions on Compound Vapour Compression Refrigeration Systems

The section contains questions on two multi stage compression with liquid intercooling, water intercooling and liquid subcooling, cascade systems and refrigerant reciprocating compressor performance characteristics.

Two/Multi Stage Compression with Liquid Intercooling – 1
Two/Multi Stage Compression with Liquid Intercooling – 2
Two/Multi Stage Compression with Water Intercooling and Liquid Subcooling – 1
Two/Multi Stage Compression with Water Intercooling and Liquid Subcooling – 2
Two/Multi Stage Compression with Water Intercooling, Liquid Subcooling and Flash Chamber – 1
Two/Multi Stage Compression with Water Intercooling, Liquid Subcooling and Flash Chamber – 2
Two/Multi Stage Compression with Water Intercooling, Liquid Subcooling and Flash Intercooler
Cascade Systems – 1
Cascade Systems – 2
Performance Characteristics of Refrigerant Reciprocating Compressor

5. Questions & Answers on Expansion Devices

The section contains questions and answers on expansion devices.

Expansion Devices

6. Questions on Vapour Absorption Refrigeration System

The section contains questions on ideal var system and its performance, domestic electrolux and lithium bromide refrigeration system.

Ideal VAR System
Coefficient of Performance of Ideal VAR System – 1
Coefficient of Performance of Ideal VAR System – 2
Domestic Electrolux and Lithium Bromide Refrigeration System – 1
Domestic Electrolux and Lithium Bromide Refrigeration System – 2

7. Questions & Answers on Multiple Evaporators and Compressor System

The section contains questions and answers on multiple evaporators and compressor system.

Multiple Evaporators and Compressor System – 1 Multiple Evaporators and Compressor System – 2

8. Questions on Refrigerants

The section contains questions on refrigerants classification, refrigerants designation system, refrigerants thermodynamic, physical and chemical properties.

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Classification of Refrigerants
Thermodynamic Properties of Refrigerants
Chemical Properties of Refrigerants
Physical Properties of Refrigerants
Designation System of Refrigerants

9. Questions & Answers on Refrigerant Compressors

The section contains questions and answers on multi stage compression, refrigerant compressors and its types.

Refrigerant Compressors – 1
Refrigerant Compressors – 2
Types of Refrigerant Compressors
Multi – Stage Compression

10. Questions on Condensers & Evaporators

The section contains questions on condensers, cooling towers, evaporators types, factors and defrosting methods.

Condensers and Cooling Towers – 1
Condensers and Cooling Towers – 2
Cooling Towers
Evaporators Types, Factors Affecting it and Defrosting Methods

11. Questions & Answers on Psychrometry

The section contains questions and answers on psychrometric terms and relations, psychrometric chart, thermodynamic wet bulb temperature, bypass factor, heating and cooling factor, partial pressure daltons law, two streams adiabatic mixing, humidification and dehumidification.

Psychrometric Terms
Psychrometric Relations
Psychrometric Chart
Thermodynamic Wet Bulb Temperature
By-Pass Factor
Heating and Cooling Factor – 1
Heating and Cooling Factor – 2
Inside and Outside Summer Design Conditions
Adiabatic Mixing of Two Streams
Humidification and Dehumidification
Dalton’s Law of Partial Pressure

12. Questions on Comfort Conditions

The section contains questions on optimum effective temperature, human body heat production and rejection.

Factors Affecting Optimum Effective Temperature
Effective Temperature
Heat Production and Rejection in Human Body

13. Questions & Answers on Air Conditioning Systems

The section contains questions and answers on comfort air conditioning, air conditioning systems equipments, industrial air-conditioning, winter and summer air-conditioning, unitary and central air conditioning, room and grand sensible heat factors, fans and its laws.

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Comfort Air-Conditioning
Equipments Used in Air Conditioning Systems
Factors Affecting Comfort Air-Conditioning
Industrial Air-Conditioning
Winter Air-Conditioning
Summer Air-Conditioning
All Year Air-Conditioning
Unitary and Central Air-Conditioning
Room and Grand Sensible Heat Factor
Fans and its Laws
Sensible Heat Factors

14. Questions on Cooling Load Estimation & Ducts

The sections covers questions on heat gain types and sources, ducts equations, equivalent diameter, losses and types, duct design, series and parallel systems.

Types of Heat Gain
Heat Gain and Sources for Calculation
Equations, Equivalent Diameter, Losses and Types of Ducts
Duct Design
System in Series and Parallel

15. Questions & Answers on Applications and Equipments of Refrigerations and Air Conditioning

The section contains questions and answers on domestic refrigerators, freezers, industry and marine air conditioning, ice making and storage, heat and mass transfer, freeze drying, refrigerations and air conditioning component types and applications.

Domestic Refrigerators and Freezers
Air Conditioning in Industry
Marine Air Conditioning
Ice Making and Storage
Heat and Mass Transfer Through Dried Material, Freezing and Freeze Drying
Component Types
Application of Various Component
If you would like to learn Refrigeration and Air Conditioning thoroughly, you should attempt to work on the complete set of questions and answers mentioned above. It will immensely help anyone trying to crack an exam or an interview.

Here’s the list of Best Reference Books in Refrigeration and Air Conditioning.

Wish you the best in your endeavor to learn and master Refrigeration and Air Conditioning!

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn