Classes
Mechanic Refrigeration and Air Conditioner

Subject: Trades and Vocational

🧩 29 Practice Tests & Quizzes

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Introduction

Following are the skills possesed by Mechanic Refrigeration and Air Conditioner:

- able to identify different compressor, dismantling and assembling compressors.
- able to start the motor through DOL, Star Delta starter and changing DOR.
- able to service condensers.
- able to fix refrigerant controls and service evaporator.
- able to Recover and Recharge of Refrigerant used in systems, transfer & handling of gas cylinders.
- able to Retrofit CFC/HFC machine with ozone friendly refrigerant.
- able to fix thermal insulation.
- able to install window AC, test Electrical, electronic components, Fault diagnosis & remedial measures in window A.C.
- able to Install, servicing, trouble shooting, fault detection, leak testing and gas charging in Split A.C (wall mounted),Split A.C (floor, ceiling /cassette mounted Split A.C),Split A.C ( ducted ), multi Split A.C and Inverter Split A.C.
- able to Installation, servicing, trouble shooting, fault detection, leak testing and gas charging in Car Air Conditioner.

- Knows about different commercial compressor and its dismantling, assembling, fault finding and rectification.
- able to descaling in water cooled condensers, Evaporative condenser and Cooling tower, Selection of Expansion valves and its installations, Service air cooled evaporator and blower.
- able to Install, service, maintenance, trouble shooting, fault finding and rectification, leak testing, evacuation and gas charging, electrical circuit repairing in water cooler & water dispenser, visible cooler, bottle cooler, deep freezer / display cabinet, ice cube machine and softy machine. 
- able to Service, operate, test electrical controls, test leak, evacuation and gas charging, Periodic maintenance in Ice candy plant, Ice plant, walk in cooler & reach in cabinet and cold storage.
- knos about HVAC (study of psychrometry, blowers& fans, static and velocity pressure measurements).
- able to make duct designing, duct making, insulating in ducts.
- able to clean and fix air filters. 
- able to identify various components, Leak testing, evacuation, gas charging, Commissioning and troubleshooting of package A.C with air- and water-cooled condenser, split package. 
- able to trace electrical circuit, testing components, gas charging, Servicing AHU including fire dampers, Checking airflow, damper, temperature and pressure, operation, Descaling condenser and cooling tower of central AC plant (Direct and Indirect). 
- be able to Identify VRF / VRV system, Check and service of VRF / VRV system, connect master unit and IDU, identify the location of ODU, identify the size of piping’s and laying work, Check control system and identify error code.
- able to service and maintain the mobile A.C (bus, train).

Sample Curriculum: Mechanic Refrigeration & Air Conditioner (pdf)

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Latest Practice Tests / Quizzes

📝 Refrigeration and Air Conditioning Practice Test: Comfort Air-Conditioning

📝 Refrigeration and Air Conditioning Practice Test: Psychrometry

📝 Refrigeration and Air Conditioning Practice Test: Condensers & Evaporators

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